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| Tunneling – Information - Transferring |

Tunneling & Information

Description of Quantum Tunneling;

|| What is Quantum Tunneling?
 Quantum tunneling is a term within Quantum mechanics to describe the phenomena of when a particle passes though a potential finite barrier (Ea energy barrier)that the particle would not have the sufficient kinetic velocity that would come from barrowed momentum that is expressed with the constant (∆/E) (delta/changing in distance or velocity)that is necessary to cross over the axis of the height of the confining barrier normally, but instead exhibits behavior similar to a wavelength with the particle having the probability of being detected on the other side of the barrier that the particle tunnels through using each points of the entry and exit as respective reservoir points on both sides of the potential barrier using those reservoir points of the barrier as a form of linear polarization with the particle having the equivalent electric energy that is comparable to the  barrier's encompassing electric-volt energy inside of its energy wall and barrier Length which the particle reaches a transmission coefficient that is necessary to penetrate the finite barrier this process of "wave-function" or "eigen-functions" that the particle's behavior exhibits is described by physicist Erwin Schrodinger and his concept that was purposed  within the year of 1935 that was known as "Schrodinger's cat" to explain when a physical system (particle) can enter a into a Quantum superposition to be able predict the possible outcomes of when a subatomic atom is trapped inside of confining mass without experiencing decay.

Erwin Schrodinger's equations of delta function potential wells  and barriers (-h2/2m a2/ar2 u/ (r)=  E u/(r) ) (a2/ar2 u/ (r) = -2mE/h2 u/ (r) =-k2 u/ (r)

Erwin Schrodinger's equations of partial derivatives inside of wave-function
th2/2m a2 Ψ(x,t)/ax2 + U(x)Ψ(x,t) =ith 2Ψ (x,t)/A=aT


Quantum tunneling in organic chemistry
 Now that we know the basis of Quantum tunneling let's take a look within hydrogen tunneling and the intramolecular hydrogen atom transferring process within the cellular respiration of enzymes and gases in organic compounds.  a hydrogen atom transfer between one compound and another begins when the hydrogen atoms inside of the monosaccharide of a carbohydrate begins to oxidate and accelerate during the transfer process while the reducing agents such as Nicotinamie adeine dinuleotide (NAD+) Flavin adeine dinuleotide (FAD) polymerize during the Kreb's cycle or the tricarbioloxic cycle which is the process of accelerating the carbohydrates inside of gliosis forming the reducing agents of Nicotinamie adeine dinuleotide dehydrogense (NADH) and (FADH2) which becomes an electron accepter during the polymerization of the  reducing agents acts as a terminal enzyme inside of the complex of the cytochrome enzyme which is also used during an electron atom transferring process, which the agents (NADH) and (FADH2) become part of the cytochrome's respiratory chains. The hydrogen atoms inside of the reducing agents are deposited inside of the cytomchrome's transport chain and the agents (NADH) and (FADH2) become oxidated and the particle can polymerize with gases such as oxygen and becomes H2O


How is quantum tunneling evolved within this process?
 When the hydrogen particle is being accelerated though the kreb’s cycle after the reducing agents from the glyoisis has been polymerized the orbital momentum of the neutron begins to spin inside of the nucleus of the isotope (deterium)of the hydrogen atom which begins to create a molecular vibrational state utilizing the plank constant of speed and velocity inside of the enzymes "matter chain" or the "De Broglie wavelength" that was purposed by the physicist Louis de Broglie within 1924 about the kinetic energy of a particle and was soon adapted by Erwin Schrodinger's of the equation of matter and the hydrogen atom itself in the year of 1933 and the reaction path acting as an enzyme catalysis/enzyme catalytic power for the transition state within particle tunneling while the increasing thermal temperatures escalate between a kinetic velocity of 5 to 77 K per millisecond (Bose-Einstein condensate)during the oxidation process of the cytpochrome which normally this process would allow for the particle to jump over the activation barrier inside of the enzyme, but depending on the temperatures of the environment then enzyme is in for example if the enzyme was frozen at cryogenic temptures which cools the deterium isotope or causes it to crysalize and slows the veloctiy of the particle spin inside of the nucleus the particle would not have the sufficient velocity to cross over the activation barrier. in this instance the particle will go into a degenerate ground state or quantum annealing (manufactured particle spin) while the trapping potential of the particle wave-function expressed with the constant V(r) the particle begins to rotate into a vortex to tunnel though the barrier if the linear pathway is narrow and if the barrier is of a higher temperature of the particle, which will cause the enzyme to eject the particle during the kreb cycle reaction



Semiconductor Hetro-structures & Quantum effects in Hetro-structures in Quantum Tunneling
We will first focus on the quantum hetro-structures of quantum tunneling with the electron particle and what a quantum hetro-structure is for example. A quantum hetro-structure is a subtract of the original hetro-structure which are series of layered materials of different properties stacked upon one another such as aluminium gallium arenside/gallium arenside which is a ferroelectric semiconducting material which electrically absorbs the atoms inside of the polar planes in the process of quantum entanglement inside of the hetro-structures and charges the electrons though a electromagnetic current that travels though the aluminum nano-structure utilizing the nano-structure as axis points for the direction of the electron polarization though the tunneling junctions inside of the aluminum gallium arenside utilizing the principals for "Fowler–Nordheim tunneling and field emission"  that was purposed by the physicists Ralph Howard Fawler and Lothar Wolfgang Nordheim in the year 1928 about how a electron can tunnel though a tringular energy barrier using wave-function and the semiconducting material such as the aluminum arenside while inside of a strong electric flied which would be demonstrated with the Fawler-Nordheim formula for electron tunneling density see this link here (http://www.iue.tuwien.ac.at/phd/gehring/node112.html)


Quantum Tunneling in nuclear fusion and solar hetrostructures:
For an example of quantum tunneling within solar hetro-structures we will use the UNSM PERL c-si and Sayno HIT solar cells and the photovoltaic structuralization inside of the hetrojunction of these cells. Quantum tunneling begins when the particles inside of the hydrogenerated silicon solar cells begins to experience a recombinative velocity by doping diffusion (formula for doping profiles AC{x,t}/At=D A2c{x,t}/Ax2) this process of doping diffusion is to redistribute the atoms inside of the semiconducting materials of a hetrostrcure such as Silicon, Germanium, aluminium Antimondie, Gallium Aresnoide, Gallium phospheride, Indium Arenside, Indium phosperide and Indium Antimondie when the doping agents (Boron,Alliuminum,Gallium,Indium,Phophorus,Aresnic,Antimony,Bismuth,Copper,Lithum,Sodium,Potassium,Hydrogen and Helium) inside of the flims of the hetrostrure into a gas based structure with the temperatures ranging from 150% C from the I-layer of the heterostrucure and 200 % C for the n-layer created a chemical process known as chemical vapor deposition which is used for micro-waving plasma inside of materials. this process of chemical vapor deposition causes the hetro-structure layers to experience surface diffusion when the adatomic clusters become isolated from increasing temperatures and magnetization curves of the photovoltaic cells as the I-layers becomes oxidated the temperatures of the lattice inside of the adatomic clusters causes the equilibrium of the cluster to vibrate as described by the physicist Ludwig Boltzmann with the constant R divided by the Avogadro constant  NA by physicist Amedo Avogadro when the creating the constant of K=R/na to explain the microscopic relationship between the adatomic particle's vibration, pressure and the absolute temperature in mobile diffusion which the formula constant (R=ve-Ediff/kbt) explains when the particle jumps or hops when layers the I and N layers have low particle mass

Formula for tunneling jump
R tun=2w/3/2 2Ea/hw exp(2Ea/thw)


Nuclear fusion
The conceptualization of nuclear fusion was highlighted within the 1940's with both the successes of nuclear transmutation by physicist Ernest Rutherford and fusion of hydrogen isotopes by Mark Olipant which is applied into military research with the deployment of the hydrogen-bomb "ivy mike" on November 1 1952. the hydrogen bomb's schematics and materials are a phenomena within nuclear fusion such as the reactive properties of the polyethylene casing, the Uranium-238 fission booster and the TX-5 fission bomb around the plutonium -239 core sphere containing the metals of beryllium and polonium which under intense stress caused by raising temperatures and velocity of the thermal neurons inside of the tx5 fission bomb splits the nucleus of polonium and causes the promium to eject alpha particles into the atomic structure of the berylium while the neutron inside of the alpha particle contains about 3.27 MeV of energy while the proton inside of the alpha particle contains a energy of 4.03 MeV as it heats the fusing deuterons that is being compressed around the uranium-238 fission booster as it causes the compressed deuterium plasma to push pass the barriers created by electrostatic repulsion while the tritium nucleus polymerizes with the deuterium isotope to form a alpha particle containing a energy of 17.59 MeV while the deuterium isotopes inside of the nucleus of the plasma creates a heavy helium isotope. Another example of nuclear fusion occurs inside of the formation of the sun's core itself (the sun's core contains a compacted density of 151,300 kilograms) this formation occurs due to the ionization of methane gas of core reaches a temperature of 15.6 million Kelvin or (1.56X10 7 or utilizing the Stefan-Boltzmann constant of o=5.670 x 10 -8 j m-2 k-1 s-1 with the sun's radius constant R=6.955 x 10 8 meters creating the formula solution of Te={L/4R2}1/4=5780 kelvin while the boltzman law can also apply for other stars and while the protons inside of the core must be heated and have the appropriate velocity to counteract the gravitational composition from the mass of the sun which the gravitational thermal energy of the sun can be expressed with the formula of T= 3/2Tc=GMpM/R being the gravitational energy and the mass of the protons being mp=1.6726 x 10 - 27 with the solving formula being Tc=2Gmp M/3kR=1.56 x 107 kelvin ) which causes the hydrogen particles to burn to create the compounds of helium (named after the greek god Helios by Norman lockyer) which quantum tunneling occurs within this reaction process utilizes electric potential energy from the notion of coulomb's law within inverse physics of electrostatic repulsion by Charles-Augustin De Coulomb in 1785 with the formula of barrier penetration from the projectile neucli Vl (r)= Vn(r) + Vc(r) +th2 l ( l+1)/2ur2=Vo(r)+th2 l ( l+1)/  T l (E) = {1 +exp (2Se(E))}-1 and the formula for the penetration integral  Se(E)2u/th2 {r2l/r1l  dr {Vo(r)+th2  l (l+1)/ 2ur2-E ] -1/2 formula for wave potential barrier Vo(r) =V Bo -1/2u 2(omega)2 (r-r o)2/ To(E)={1+exp{2/th(omega)(E-V Bo} -1


Hawking Radiation/Quantum tunneling in black holes
We will first cover the realms of Quantum tunneling inside of black holes which stephen hawking showed the radius inside of thermal equilibrium of a black body will never decrease in size and that the black hole contains an entropy amongst the tidal gravity of the black holes horizon (formula for horizon's geometrical points or Schwarzschild radius ds2= - {1-rs/r}dt2+[1-rs/r}-1dr2+r2 do2} ) (formula for Kruskal-Szekeres metric rK +tK =2e{R+t}2/rK-tK=2e{R-t}2)which the black body's emissivity would  absorb  the encompassing electromagnetism that would come from phonons ( light particles) and antiparticles  that were to enter the radius of the black holes horizon being inversely proportional to the black holes mass as the thermal energy increases as the mass of the black hole decreases the trapped quark orbital oscillations inside of the magnetic flied of the gravitational red-shift  exhibits negative ionic charges while the phonons receive a positive ionic charge during the quantization intervals that effects the trajectory of the encompassing mass that is received with a positive ionic charge creating a stochastic fluctuation of phonons resulting in linear particle acceleration which during the transmission process of the particle accleration(x2-T2=1/a2)  utilizing the Minokowski coordinates the pinpoints the axis of the phonon's acceleration. the phonon travels at the speed of light being 299,792.458 kilometers per second that is necessary to escape the black hole which is supported with Newton's formula of escape velocity with the constant of  G=6.67  X 10 - 11 . Many other physicists have theorized that quantum tunneling is involved in Hawking's radiation theory of how a particle can escape a black hole and the hyperbolic properties of the Unruh effect. while it is imagined that when a pair of subatomic particles are formulated on the outside of the black holes horizon the pair of particles goes though a multiplicity state that is caused by the tidal gravity of the Unruh radiation as the particle that has exhibit the positive ionic charges tunnels though the gravitational barrier of the black holes event horizon causing the particle to tunnel backwards




Rectangular barriers
Unlike the traditional barrier within quantum tunneling the Rectangular barrier utilizes a reflection coefficient along with the standard transmission coefficient from one-dimensional particle tunneling  of when a particle enters into a superposition and becomes a wavelength the reflection coefficient transmits the wave-vector of the particle into either a free state, scattering state or a bound state when it approaches the quantum curb of the barrier, when the particle becomes magnetically trapped  inside of a Bose-condensate such as how cold thermal temperatures can be trapped inside of an alkali adatomic compounds the particle can obtain a superposition known as a "bare state" in which the atomic nuclei utilizes the "Coulomb energy shift" which the molecules inside of the nuclei begins to spin or orbit outside of the shell of the neuceli creating a quasiparticle (radical matrix element of quasiparticle {^n1/1ur/un2/2})  the quasimomentum of which utilizing the constants of the de broglie wavelength the quasiparticle can tunnel though the adjacent walls using the axis points of the rectangular geometry of the barrier as anchoring semiconductors to guide the quasiparticle though the barrier


Triangular barriers
With the geometry of the triangular barrier is compatible with that of an electron and opto-electronic particle while tunneling which can be indicated with the quantum dot that is also used within nano-electronics. The quantum dot acts as an energy profile  during the electron tunneling junection though barrier while quantum dot mass iis used as an  insulator  from  distances of  axis  points  entry an " exit  inside  confinement structure  process doping diffusion particles along  has  not exhibted negative kinetic voltage energy when the  semiconducting tunneling diodes on the oppositional ends of the quantum dot transmits the wave-function of the electron after the subatomic structure has been configured when tunneling though the triangular barrier. Triangular barriers also quasi-perdiodic  based structure that  can formulate with a rectangular barrier to create a multi-barrier, with multi-barrier tunneling or double barrier penetration the electron's transition states is dependent on the height and the width of the barriers that is theorized by the physicist Thomas Hartman that when a particle tunnels through a larger barrier that acts as a prism for the transmission coefficient of the particle transition, the particle will travel across the gap which while the virtual  particles can travel across the barrier gap at the speed of light. the particle will tunneling though the gap when the wave-function is being transmitted between one part of the barrier of the gap and the other which this would be known as the "Hartman effect" which was purposed in 1962

Trapezoidal barriers 
We will discuss on how particle tunneling occurs inside of trapezoidal barriers in graphene based insulators. particle tunneling inside of a trapezoidal barrier parameter (obtained by exploiting the parameters of a normal barrier potential Uo(x)+Ui(x) when measuring the geometry of the  parameter of the trapezoidal barrier being Uo(x)-Ui(x)) when the particle is penetrating the through the density of the barrier utilizing a scale factor to determine the particle's spin control through the quantum dot's bandgap which the energy-shifts and oscillations acts as a tunneling switching device or a quantum well when molecular beam epitaxy is introduced in the hetero-structure of the barrier when the particle's wave-function is being transported by a valance bond inside of the trapezoidal barrier when tunneling. When a particle is tunneling inside of the mono-layers of graphene the bandgap inside of the graphene exhibits magneto inductive based properties when it's electric field which begins to  quantize and absorb electrons inside of the trapezoidal barrier when the temperatures of the metal or a lower percentage then the width of the bandgap would affect the electron's velocity and momentum inside of the free charge carriers in the hetro-structure of the graphene, while the hetero-structure contains a hexagonal based crystalline compound known as Boron nitride, which the boron nitrides density is thin and acts as a stepping stone for the electron to tunnel through the trapezoidal barrier




What is Quantum Information?
Quantum information was founded by Claudie Shannon's theorem of a signal containing qubits can be compressed to the length of nHx(X)+ o (n) while the original signal still retains the probability of being transmitted from the sender and receiver arcs of signal transmission within the year of 1948. This is utilized within data compression in quantum computing, quantum mechanics and within quantum tunneling on how a particle can enter into a superposition through a "noiseless" protocol during the transfer of the qubits which is utilized the Dirac Notation that was introduced in 1939 by Paul Dirac. This notation aided in the possibility of how linear functional can act as a vector when transferring information that is used with quantum lambda calculus in quantum computation.


Photonic crystals
Photonic crystals acts as wavelength reflectors inside of the  Nitrogen-vacancy center of the diamond while utilizing the properties of quantum electrodynamics for entangling atoms and protons inside of the nano-cavities of the diamond within quantum information processing, while the atoms and protons are entangled the particle exhibits a magneto-electronic based property known as spintronics inside of the nano-cavity structure in the fluorescent center of the membrane of the diamond which goes into a form of dielectric material-manpluation during atoms/protons polarized spin while the diaelectric material can absorb the fluctuation of light-pulses that travels through the optical properties of the diamond within a femto-second while the atoms/protons exhibits rabi oscillations inside of the magneto-electronic field. These rabi oscillations occur when the atom becomes embedded inside of the photonic crystal structure's bandgap which acts as a semiconducting super-lattice which causes the rabi frequencies to oscillations at a high speed


Quantum computing
Quantum computation is based off the work of integer factorization, algorithm mathematics and cryptanalysis that was purposed by Charles Babbage and engernied into the first computer system by Konad Zuse in 1941. Within Quantum computation utilizes the quantic structures of the qubit within a programming language that begins with the logical state of 0 and 1 while the qubit can obtain a superposition though quantum parallelism  when the data fluctuation is being transferred between processor and another as the pair of qubits inside of the data information can be divided by the Boolean logic gates which acts as an electronic switch  which was recognized by Richard Feynman when he saw that when 500 qubits can enter into a quantum super-position being of 2/500 states which is used within radio waves.


Bloch sphere
The bloch sphere is a isometric geometrical representation of a pure state containing a set of convex states that acts as of a one-dimensional density matrix projector in the state space of the qubit which allows for a qubit to enter into a quantum superposition inside of the sphere's ket vectors which the coefficient is represented as (u/) =cos0 {0}+eio/ sin 0 {1} while each of the polar coordinates  and half angles inside of the bloch sphere can represent as R= sin 20/ X cos 0/ Y= sin 20/ X sin 0/ z=cos 20 which would make a pure state orthogonal in nature when utilizing Hilbert space and the hadamard matrix, as the surface of the bloch sphere effects the polarization process of particles during entanglement.
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As we discussing a lot about information that it is not depend on time, place, space and so these parameters are meaningless for information.
Now study all formulas of energy, from E = mc^2 of Relativity to quantum formulas.
(That read before in this essay.)
There is no also independent definition for energy. We study it as parameter after coordinates and mass and sometimes. Whether in classical scale or tiny scales or relativistic, energy is depend on these spatial parameters. So information can do tunneling through all potential barrier in all frames. To do this we should just change algorithm of storing and protocol of communication.
(That it s happening nowadays in lots of lab.)

More;


First it is superposition between bits that occurs as communication with minimum of data transferring then Entanglement that can transfer data about all features and properties of system A to system B. It is time to ensemble copy of A in coordinates of B or completely move A to B place.
Cause Potential Barrier is meaningless for Information.









| Death/Life – Nature – Information |

Death & Life

Explanation of death & life based on Information theory.

Biological Description of Death & Life;
||It is estimated The Earth was formed four billion years ago by Lava, so at the first life was Impossible. Gradually Earth was cooled & the rock layers were formed. Clouds were formed by the Condensing of water vapor in the atmosphere. For another two thousand years it rained slowly which caused the appearance of the oceans.
Some theorists suggest that the atmosphere of the early Earth may have been chemically reducing in nature, composed primarily of methane (CH4), ammonia (NH3), water (H2O), hydrogen sulfide (H2S), carbon dioxide (CO2) or carbon monoxide (CO), and phosphate (PO43-), with molecular oxygen (O2) and ozone (O3) either rare or absent. In such a reducing atmosphere, electrical activity can catalyze the creation of certain basic small molecules (monomers) of life, such as amino acids (monomers of proteins) & carbohydrates.
After many years mixture of amino acids formed small spherical shells about 2 μm in diameter, called Microspheres.  Some refer to microspheres or protein protocells as small spherical units postulated by some scientists as a key stage in the origin of life. Microspheres, like cells, can grow and contain a double membrane which undergoes diffusion of materials and osmosis. Although they do reproduce asexually by budding, they do not pass on any type of genetic material; so they are not alive!
These microspheres became more complex, they would carry on more lifelike functions. Gradually they could make Short strands of RNA by Nucleic acid. The RNA was capable of self- replication & during the budding, passed to the next generation. RNA molecules could manage synthesis of special enzymes and proteins, determined their microspheres Feature. When we know a cell is alive that it grows, does metabolism & does reproduce to transfer the genetic information to the next generation.
The cell is the basic structural and functional unit of all known living organisms. It is the smallest unit of life that is classified as a living thing.
There are two types of cells; eukaryotic and prokaryotic. Prokaryotic cells are usually independent, while eukaryotic cells are often found in multicellular organisms.
The prokaryotic cells are simpler, without some specific Organelles such as Mitochondria & Chloroplasts.  The prokaryotes are Primary cells that are origin of Eukaryotic cells. The genetic material of a prokaryotic cell consists of a single chromosome that is in direct contact with the cytoplasm. Here, the undefined nuclear region in the cytoplasm is called the nucleoid.  Bacteria and cyan bacteria are prokaryote. All of the prokaryotes are unicellular.

Some parts of prokaryotic cells:
-                      Cytoplasmic region that contains the cell genome (DNA) and ribosomes and various sorts of inclusions.
-                      The Cell membrane or plasma membrane surroundes cytoplasm.
-                      The Cell wall acts to protect the cell mechanically and chemically from its environment, and is an additional layer of protection to the cell membrane.
-                      A gelatinous capsule is present in some bacteria outside the cell membrane and cell wall.
-                      Flagella for cellular mobility, is long & thick, made of protein. The bacterial flagellum stretches from cytoplasm through the cell membrane and extrudes through the cell wall.
-                      Fimbriae (pili) made of proteins that are short & thick, responsible for attachment of bacteria to specific receptors of human cells or Sticking to various surfaces.
The eukaryotic cell seems to have evolved from a symbiotic community of prokaryotic cells; because:
-                      Both use RNA and DNA which are the genetic material
-                      Both use the same 20 amino acids
-                      Both have ribosomes and DNA and RNA
-                      Both have a lipid layer cell membrane.
   Plants, animals, fungi & algae are all eukaryotic. The major difference between prokaryotes and eukaryotes is that eukaryotic cells contain membrane-bound compartments in which specific metabolic activities take place. Eukaryotes like prokaryotes have Cytoplasmic, Cell membrane and some of them like plant Cells have Cell wall.  Different types of cells have cell walls made up of different materials; plant cell walls are primarily made up of pectin, fungi cell walls are made up of chitin and bacteria cell walls are made up of peptidoglycan. The eukaryotic DNA is organized in one or more linear molecules, called chromosomes, which are associated with histone proteins. All chromosomal DNA is stored in the cell nucleus, separated from the cytoplasm by a membrane. Some eukaryotic organelles such as mitochondria also contain some DNA.

Some specific Organelles in the Eukaryotic cells:
Ribosome is a large complex of RNA and protein molecules. They each consist of two subunits, and act as an assembly line where RNA from the nucleus is used to synthesise proteins from amino acids. Ribosomes can be found either floating freely or bound to a membrane or on the rough endoplasmatic.
Lysosomes are to serve as digestion compartments for cellular materials that have exceeded their lifetime or are otherwise no longer useful. They are manufactured by the Golgi apparatus. They digest excess or worn-out organelles, food particles or bacteria with breaking down cellular waste products, fats, carbohydrates, proteins, and other macromolecules into simple compounds, which are then transferred back into the cytoplasm as new cell-building materials.
Peroxisomes are involved in the catabolism of very long chain fatty acids, branched chain fatty acids, polyamines, and biosynthesis of plasmalogens. One of the important functions is to Breakdown the hydrogen peroxide (H2O2), a potentially dangerous product of fatty-acid oxidation. It is catalyzed by the enzyme catalase.
Lysosomes & Peroxisomes do their tasks by helping Enzymes. Enzymes are catalysts and responsible for the thousands of chemical reactions taking place. Most are proteins, so Ribosomes make them with amino acids.
Golgi apparatus processes and packages the macromolecules such as proteins and lipids that are synthesized by the cell.
Mitochondria provide the energy a cell needs to move, divide, produce secretory products, contract - in short; they are the power centers of the cell. The Origin of Mitochondria was an aerobic prokaryote.
The endoplasmic reticulum (ER) is a system of membrane-enclosed sacs and tubules in the cell.  ER is a site that manufactures most of the membranes of the cell, lipids, transmembrane proteins and secreted proteins. The ER has two forms: the rough ER, which has ribosomes on its surface and secretes proteins into the cytoplasm, and the smooth ER, which lacks them. Smooth ER plays a role in calcium sequestration and release; also does detoxification.
All of these Organelles are common in the eukaryotic cells. But there are some organelles that only can be found in some specific cells. For example Centrosome can only be found in animals cells (acts as the main microtubule-nucleating organelle in animal cells and plays a critical role in mitotic spindle orientation and in genome stability.) Or vacuoles that store extra water, waste & food, can be found in plant cells and some fungis.
The purpose of these organelles & their mechanisms is life. Prokaryotic-eukaryotic or Unicellular-multicellular try to survive and live more. Also for this purpose do reproduction. But each living organism - unicellular or multicellular - has a limited lifetime.  For example Red blood cells can be alive max. 120 days.

What happens after a cell dies?
Death is a part of life.
At the cellular level, it's essential for life. There are two types of eukaryotic cell death: necrosis and apoptosis. Apoptosis or programmed cell death is like a cell committing suicide! When a cell is compelled to commit suicide proteins called caspases go into action. Some cellular components which are necessary for survival are broke down by caspases. The DNA in the nucleus condenses and breaks into regular-sized fragments by DNases. The cell shrinks and sends out distress signals, which are answered by vacuum cleaners known as macrophages. After that, it breaks into several smaller pieces containing the cell components and destroyed nucleus.

Necrotic means the cell dies due to some sort of outside stimulus; Mechanical stress, lack of oxygen & etc.
Macrophages play an important role in both types of cell death. They remove remaining cell components & break down them with their enzymes. Obtained materials come back to a new cell cycle.
In the nature when an animal, a human or a type of plant dies, all parts of their body is disintegrated by Bacteria, some fungis & Protista to monomers like amino acid, nucleotide acid & Lipid. These monomers can make a new system that is alive or affects on living organisms, like viruses.
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Technical Description of Death & Life;
|| How to destroy or kill information:
There are some ways to kill or destroy our data in formal ways, for example if you have some special data on your HDD and want to fordo all of that, what should you do?
1) Shift + Delete
2) Format your HDD
3) Format your HDD and install another OS
But does Microsoft or Google or some other companies like them kill their important information of database by these regular ways?
Of course not! For example Microsoft kills its information by some ways that are not logical at the first in people mind.
Microsoft has some powerful programs to encrypt data like Bitlocker & etc.
But when a HDD in Microsoft company has serious problem Microsoft reformat it, if the problem solved  HDD comes back to the normal working but if the problem didn`t solve Microsoft will not use  bitlocker and take HDD away because it afraid of losing its important data. The Microsoft`s engineers rendered some solution to safe data. One of these powerful ways is this: The Microsoft`s engineers write some program with special algorithm that format one HDD and change the HDD table and write spurious data on HDD and repeat these actions up to 1,000,000  times, by this you can safe your data up to ~90%  but you can recovery your data yet. So Microsoft, Google, Intel and giant companies don`t want to risk so they use another ways to kill their important information; destroy HDDs one by one.
Maybe it s not good for Microsoft, Google, Apple & etc to use this way to keep their data secure! But really they cannot do anything else...
Cause Information is Physical.
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Information can be stored on/in everything;
Mechanical waves, EM waves, cellules, Hyper Molecule like DNA & RNA, Atomes, LED board in a city, alphabets, eyes & ears (How you see and hear), Quantum fluctuation, Elementary Particles and etc.
You can store 1MB on a big page and 1TB on few amounts of molecules (1gram DNA; 700TB).
Human’s complex body is because of more information. Each new movement means new structure.
From simple Algae to Human body, from simple atoms to complex system of life. It is Entropy, it s increasing the information. One bit to 700TBytes. All these are because of chaotic universe; Dynamic System.
Several years ago human needed large volume to store just one word (few amounts of bits). For example 500KB in a room (3*4*3m)! but you have now 1TeraBytes in your packet as external HDD.
Suppose 1m for 1MB (50 yrs ago) and 1nm for 1MB now.
We know just bit as unit of information but we cannot explain it by place/space/time, (x,y,z,t). But Bit is physical parameter cause we can measure it.
If you have storage device with good (acceptable) quality, it s not important for your data How long and How many years they are in that device. For example after 50 yrs, you can play music that stored on a device by your father or grandpa. Maybe quality of music reduce but that s because of materials of device. The Information exists but you cannot read, however you can recover & repair them like photos and videos.
So there is no scale for information. (x,y,z,t) is surface of structures coordinates. But actually there s no dependency for info on structures. Even you can recover info after destroy almost of surface. (As we talk before.)
To Be or Not To Be of surface is not important for Nature of Information.
Your info will remain at least at the surface of NATURE. However information is Free in time & space/place.
So after Death, Information will be alive.

Read more;
We are Quantum Computer.
Robotic DNA