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Topic: Cellular respiration


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In the News (Wed 24 Apr 19)

  
  Cellular Respiration
Cellular respiration is the process of oxidizing food molecules, like glucose, to carbon dioxide and water.
The energy released is trapped in the form of ATP for use by all the energy-consuming activities of the cell.
The energy stored in the proton gradient is also used for the active transport of several molecules and ions through the inner mitochondrial membrane into the matrix.
users.rcn.com /jkimball.ma.ultranet/BiologyPages/C/CellularRespiration.html   (1353 words)

  
  Understanding cellular respiration
Cellular respiration is the process by which food is broken down by the body's cells to produce energy, in the form of ATP molecules.
Cellular respiration is carried out by every cell in both plants and animals and is essential for daily living.
Cellular respiration is an almost universal process by which organisms utilize the sugars in their food to produce enough energy to perform all the necessary actions of living creatures.
tx.essortment.com /cellularrespira_rmpr.htm   (871 words)

  
  Cellular respiration - Wikipedia, the free encyclopedia
Cellular respiration is the process in which the chemical bonds of energy-rich molecules such as glucose are converted into energy usable for life processes.
Cellular respiration is the same process but it occurs in gradual steps that result in the conversion of the energy stored in glucose to usable chemical energy in the form of ATP.
Most of the ATP produced by cellular respiration is by oxidative phosphorylation, ATP molecules are made due to the chemiosmotic potential driving ATP synthase.
en.wikipedia.org /wiki/Cellular_respiration   (1146 words)

  
 [No title]   (Site not responding. Last check: )
Cellular respiration is, in its broadest definition, the process in which the chemical bonds of energy-rich molecules such as glucose are converted into energy usable for life processes.
In respiration, the process of oxidation is broken down into a large number of steps.
Anaerobic respiration releases a total of two ATP molecules (compare to the 38 of aerobic respiration).
wikiwhat.com /encyclopedia/c/ce/cellular_respiration.html   (366 words)

  
 Cellular Respiration -- Biochemistry @ La Canada HS
Cellular respiration occurs in the mitochondria of eukaryotic cells.
Cellular respiration consists of glycolysis, the Krebs cycle, and the electron transport chain and oxidative phosphorylation.
Glycolisis, the breakdown of glucose to pyruvic acid, is a catabolic pathway common to fermentation and respiration.
www.lcusd.net /lchs/mewoldsen/BCellularRespiration.htm   (1299 words)

  
 CHAPTER 9: CELLULAR RESPIRATION   (Site not responding. Last check: )
During the steps of cellular respiration, the chemical energy of glucose is once again transformed into the chemical energy of ATP (adenosine triphosphate).
Cellular respiration consists of glycolysis, Krebs cycle and the electron transport chain and oxidative phosphorylation.
Glycolysis, the breakdown of glucose to pyruvic acid, is a catabolic pathway common to fermentation and respiration.
webpages.marshall.edu /~adkinsda/b120ch9.htm   (1964 words)

  
 Cellular respiration   (Site not responding. Last check: )
This makes for a total gain of 38 ATP molecules during cellular respiration under optimal conditions; however, such conditions are generally not realized due to such losses as the cost of moving pyruvate into mitochondria.
Commonly Oxidative phosphorylation in the mitochondria, where oxygen is used to split the H off of NADH2, and to produce further ATP in the process.
Bacteria are capable of using a wide variety of compounds as terminal electron acceptors in respiration: nitrogenous compounds (such as nitrates and nitrites), sulphur compounds (such as sulphates, sulphites, sulphur dioxide, and elemental sulphur), carbon dioxide, iron compounds, manganese compounds, cobalt compounds, and uranium compounds.
www.mrsci.com /Metabolism/Cellular_respiration.php   (941 words)

  
 Cellular Respiration
Cellular respiration is a complex mechanism whereby large numbers of ATPs are produced via the utilization of an inorganic final electron acceptor and an electron transport chain.
In organisms capable of undergoing cellular respiration, however, both NADH and pyruvate may be further oxidized to generate additional ATP.
A central molecule in cellular respiration, one to which all proteins, lipids, and carbohydrates must be converted prior to participation in cellular respiration.
www.mansfield.ohio-state.edu /~sabedon/biol1100.htm   (2196 words)

  
 Cellular Respiration
There are three steps in the process of cellular respiration: glycolysis, the Krebs cycle, and the electron transport chain.
In contrast to fermentation, in the process of cellular respiration, the pyruvic acid molecules are broken down completely to CO and more energy released.
Additional ATP is produced during the Krebs Cycle and the Electron Transport Chain, resulting in a grand total of 40 ATP molecules produced from the breakdown of one molecule of glucose via cellular respiration.
biology.clc.uc.edu /courses/bio104/cellresp.htm   (2312 words)

  
 cellular respiration payroll solution
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cellular-respiration-payroll-solution.ca98.com   (351 words)

  
 Cellular respiration Summary
Cellular respiration is the process by which cells obtain energy from food through chemical reaction with an inorganic electron acceptor, usually oxygen.
Cellular respiration is the process by which a living cell produces adenosine triphosphate (ATP), carbon dioxide, and water from oxygen and organic fuel.
Cellular respiration is the process in which the chemical bonds of energy -rich molecules such as glucose are converted into energy usable for life processes.
www.bookrags.com /Cellular_respiration   (286 words)

  
 Introduction to Cellular Respiration.
The point of cellular respiration is to harvest electrons from organic compounds such as glucose and use that energy to make a molecule called ATP.
The point of cellular respiration is to harvest chemical energy from food and store it in the chemical bonds of ATP.
Aerobic respiration is the process by which ATP is produced by cells by the complete oxidation of organic compounds using oxygen.
staff.jccc.net /pdecell/cellresp/respintro.html   (973 words)

  
 Cellular Respiration   (Site not responding. Last check: )
Anaerobic is respiration when oxygen is not present and occurs in the cytoplasm.
Aerobic respiration occurs in cells when oxygen is present and at least part of the process occurs in the mitochondria.
Anaerobic respiration is quite inefficient since not all the bonds are broken when glucose is broken down.
www2.chappaqua.k12.ny.us /hgfaculty/rooddo/cellular_respiration.htm   (864 words)

  
 Cell Respiration - Cell Biology   (Site not responding. Last check: )
In anaerobic respiration, this is where the process ends, glucose is split into 2 molecules of pyruvic acid.
The carbon element is in an infinite cycle where the 2 carbon compound derived from pyruvic acid binds with the 4 carbon compound that is always present in the cycle.
is released, where the oxygen that is present in aerobic respiration combines with carbon from the carbon compounds which is released as CO Hence the need for animals to breath out and expel this CO Enzymes oxidize the carbon compounds and transport the hydrogen atoms to the cytochrome system.
www.biology-online.org /1/3_respiration.htm   (611 words)

  
 College Biology: Metabolism and Cellular Respiration   (Site not responding. Last check: )
Cellular respiration is a series of metabolic processes which all living cells use to produce energy in the form of ATP.
In cellular respiration, the cell breaks down glucose to produce large amounts of energy in the form of ATP.
ATP is generated by cellular respiration, which contains fermentation (anaerobic respiration) and the Krebs cycle (aerobic fermentation).
biology24.com /college-biology/metabolism-and-cellular-respiration.html   (791 words)

  
 WKU Bio 121 Respiration Prelab
Cellular respiration is the general term which describes the metabolic reactions involved in the formation of usable energy from the breakdown of nutrients.
The goal of respiration is to produce the "universal" source of energy; adenosine triphosphate (ATP).
The first several steps of cellular respiration are called Glycolysis, the breakdown of glucose (a six-carbon sugar) to form two molecules of pyruvate (3 Carbons).
bioweb.wku.edu /courses/Biol121/Resp/Resp1.asp   (203 words)

  
 Cellular Respiration
Cellular respiration includes all metabolic pathways where carbohydrates and other metabolites are broken down to build up ATP.
Aerobic cellular respiration is a gradual process that prevents energy loss as heat.
All the reactions involved in cellular respiration are part of a metabolic pool in which one type of molecule can be converted to another in catabolism or anabolism.
www.laporte.isd.esc4.net /campuses/lphs/science/kicklighterr/preap/cell/respiration.htm   (1352 words)

  
 Respiration
Respiration burns or oxidizes the glucose produced by photosynthesis and provides usable energy for both plants and animals.
Anaerobic respiration and fermentation are two forms of respiration carried out by certain bacteria and other organisms in the absence of oxygen.
This is where energy is captured in an orderly manner, as electrons are passed from the oxidation of Krebs cycle organic acids to the electron acceptor NAD and subsequently through a series of reactions.
www.biologie.uni-hamburg.de /b-online/library/falk/Respiration/respiration.htm   (755 words)

  
 Cellular Respiration
Cellular respiration is only a part of a cell's metabolism, although it is THE central part of all metabolism because it provides both the raw materials for anabolism and the energy for all other cellular activities.
Cellular metabolism is the all of the chemical reaction that occur in a cell taken as a whole.
Cellular Respiration is frequently the most difficult cencept for biology students.
gbn.glenbrook.k12.il.us /academics/science/staff/Biology/Metabolism/CellResp.html   (532 words)

  
 Cellular Respiration   (Site not responding. Last check: )
In all organisms photosynthetic and non-photosynthetic alike, high-energy electrons are extracted from chemical bonds and carried by coenzymes to proton pumps.
This electron-harvesting process is given a special name: cellular respiration.
Cellular respiration of glucose is carried out in three stages in most organisms.
bioweb.cs.earlham.edu /9-12/cellularrespiration   (653 words)

  
 Cellular Respiration
Students will gain insight into the vital biological process of converting food into a source of energy that can be used by the cell.
CO2 exits the cell and moves to the lungs where it is exhaled.
The buildup of CO2 is a factor that triggers mammals to breathe.
www.scienceonweb.com /newbio/cellular/Cellular.htm   (154 words)

  
 Cellular respiration - Definitions from Dictionary.com
Cellular respiration occurs as a series of chemical reactions catalyzed by enzymes, the first of which is glycolysis, a series of anaerobic reactions in which glucose (a 6-carbon molecule) is split into two molecules of lactate (a 3-carbon molecule), producing a net gain of two ATP molecules.
In a series of aerobic reactions, lactate is converted to pyruvate, which enters the mitochondrion and combines with oxygen to form an acetyl group, releasing carbon dioxide.
Thus, during cellular respiration one molecule of glucose, as well as oxygen, ADP, and free phosphate are catabolized to yield six molecules of carbon dioxide and an increase in usable energy in the form of eight molecules of ATP.
dictionary.reference.com /search?q=Cellular%20respiration   (493 words)

  
 CELLULAR RESPIRATION SUMMARY
Cellular respiration is the enzymatic breakdown of glucose (C
When glucose levels drop between meals, the hormone glucagon is released from the pancreas and stimulates the conversion of glycogen into glucose (by the process of glycogenolysis).
When needed as an energy source, the fat reserves are mobilized, moved out of adipose tissue, and broken down into glycerol and fatty acids in the liver by the process of lipolysis.
www.ucalgary.ca /~rosenber/CellularRespirationSummary.html   (739 words)

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