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Topic: Aerobic respiration


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In the News (Fri 17 Feb 12)

  
  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.
Respiration is the process by which cells obtain energy when oxygen is present in the cell.
en.wikipedia.org /wiki/Aerobic_respiration   (1146 words)

  
 aerobic   (Site not responding. Last check: 2007-10-30)
Aerobic respiration can be broken down into three segments: glycolysis is common to both aerobic and anaerobic organisms and breaks the 6-carbon glucose into 2 3-carbon fragments; the Krebs cycle, which oxidizes the 3-carbon molecules into CO by removing electrons; and electron transport, which extracts energy by using those electrons to reduce molecular oxygen.
In aerobic respiration, about 42% of the energy in glucose may be transferred to ATP; the remainder is given off as heat.
Demonstration of respiration in a given organism could be accomplished by measuring energy given off as heat, the amount of glucose consumed, the amount of carbon dioxide given off, or the amount of oxygen used up.
www.ns.purchase.edu /biology/bio1550lab/aerobic.htm   (853 words)

  
 Aerobic Respiration
Aerobic respiration is the release of energy from glucose or another organic substrate in the presence of Oxygen.
Strictly speaking aerobic means in air, but it is the Oxygen in the air which is necessary for aerobic respiration.
Anaerobic respiration is in the absence of air.
www.purchon.com /biology/aerobic.htm   (482 words)

  
 aerobic respiration
Aerobic respiration includes those portions of the respiratory metabolic pathway that are oxygen dependent.
In prokaryotes, the enzymes and carrier molecules involved in the aerobic pathways are embedded in the plasma membrane, and the reactions occur in the cytoplasm at the surface of the membrane.
In the final steps of aerobic respiration, these electrons are passed through a series of oxidation-reduction reactions in the electron transport system.
campus.northpark.edu /biology/cell/aerobicresp.html   (649 words)

  
 Term Paper on Aerobic Respiration
Cellular respiration is a metabolic process that occurs in the mitochondria of eukaryotic cells.
Respiration is the opposite of photosynthesis, which uses energy from light to create glucose molecules.
Aerobic respiration consists of three processes: glycolysis, the Krebs cycle, and oxidative phosphorylation.
www.swiftpapers.com /essay/Aerobic_Respiration-168385.html   (188 words)

  
 SparkNotes: Glycolysis: Anaerobic Respiration: Homolactic Fermentation
However, immediately upon finishing glycolysis, the cell must continue respiration in either an aerobic or anaerobic direction; this choice is made based on the circumstances of the particular cell.
If a cell able to perform aerobic respiration is in a situation where there is no oxygen (such as muscles under extreme exertion), it will move into a type of anaerobic respiration called homolactic fermentation.
In both aerobic and anaerobic respiration, the NADH molecule is part of the enzyme complex and must be restored to its NAD, oxidized state.
www.sparknotes.com /biology/cellrespiration/glycolysis/section3.rhtml   (527 words)

  
 Theresa's NHCC General Respiration Concepts Page
The purpose of respiration is to release chemical bond energy from organic "food" molecules, and to convert some of that energy into chemical bond energy in the form of ATP.
Aerobic and anaerobic respiration begin to differ at the end of glycolysis, and pyruvate is the end-product of glycolysis.
In anaerobic respiration, pyruvate is converted to ethanol (and CO or lactic acid.
www.tc.umn.edu /~boet0027/NHCCrespiration.htm   (889 words)

  
 Metabolism - Respiration
Respiration is the oxidation of a source of energy by removal of electrons and donation to an inorganic terminal electron accepter.
Respiration is much more efficient than fermentation and respiring organisms, including us, have come to dominate the earth.
For aerobic respiration this is oxygen, but bacteria are also capable of using nitrate, sulfate, methane and others.
lecturer.ukdw.ac.id /dhira/Metabolism/Respiration.html   (722 words)

  
 Aerobic Respiration
Aerobic respiration is the metabolic process that provides usable energy for most cells (including plants) by breaking the chemical bonds in glucose (or some other substrate).
Yeasts are good organisms to investigate because they respond quickly to changes in the nutrient composition of their environment and are small enough to easily fit in a reaction cuvette.
Thus, respiration rates can be studied by measuring the decrease of glucose or oxygen or the formation of carbon dioxide.
faculty.uca.edu /~johnc/aerobic1440.htm   (839 words)

  
 Aerobic Cellular Respiration - Everything About Mobile Phones
Cellular respiration (def) is the process cells use to convert...
Aerobic Respiration (Glycolysis) In the last steps of glycolysis, 2ATP and 2NADPH were produced, as summarized below.
Cellular respiration is, in its broadest definition, the process in which the chemical bonds of...
www.about-mobilephones.com /Aerobic-Cellular-Respiration.html   (389 words)

  
 Cellular Respiration
Aerobic respiration is by far and away the more common form of cellular respiration.
A central molecule in cellular respiration, one to which all proteins, lipids, and carbohydrates must be converted prior to participation in cellular respiration.
Note also that for humans and other aerobic respirators, this means that cellular respiration cannot occur in the absence of oxygen.
www.mansfield.ohio-state.edu /~sabedon/biol1100.htm   (2196 words)

  
 Respiration
Respiration burns or oxidizes the glucose produced by photosynthesis and provides usable energy for both plants and animals.
Respiration is initiated in the cytoplasm, and completed in the mitochondria.
Anaerobic respiration and fermentation are two forms of respiration carried out by certain bacteria and other organisms in the absence of oxygen.
www.biologie.uni-hamburg.de /b-online/library/falk/Respiration/respiration.htm   (755 words)

  
 Cellular Respiration   (Site not responding. Last check: 2007-10-30)
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)

  
 Introduction to Cellular Respiration.
Aerobic respiration requires the use of oxygen and anaerobic respiration which does not use oxygen.
Aerobic respiration is the process by which ATP is produced by cells by the complete oxidation of organic compounds using oxygen.
Aerobic Respiration takes place in three stages which are summarized here starting with the original glucose molecule.
staff.jccc.net /PDECELL/cellresp/respintro.html   (973 words)

  
 Aerobic Respiration
The model for aerobic respiration is the oxidation of the glucose molecule:
The last step in aerobic respiration is the bonding of 2 electrons, 2 protons, and oxygen to form water.
Aerobic respiration is much more efficient at extracting chemical energy than is fermentation:
www.cbu.edu /~seisen/AerobicRespiration.htm   (506 words)

  
 Yield of ATP in Glycolysis and Aerobic Respiration:   (Site not responding. Last check: 2007-10-30)
Yield of ATP in Glycolysis and Aerobic Respiration:
Anaerobic respiration does not yield as much ATp as aerobic respiration because less energy is available.
Yet Anaerobic Respiration is useful bc it is more efficient than fermentation and allows ATP synthesis by ET and OP in the absence of oxygen.
www.uta.edu /biology/badon/classnotes/3444/Lecture_15.htm   (620 words)

  
 BBC - GCSE Bitesize - Biology | Humans | Aerobic and anaerobic respiration
As you can see, a lot of energy is released in aerobic respiration - 2900 kj from one glucose and 6 oxygen molecules.
In anaerobic respiration the glucose is only partially broken down, and lactic acid is produced - together with a much smaller amount of energy.
In this case ethanol (alcohol) is produced instead of lactic acid, and this reaction is used in the brewing of alcoholic drinks.
www.bbc.co.uk /schools/gcsebitesize/biology/humansasorganisms/3respirationrev3.shtml   (232 words)

  
 Energy Conservation Lesson 1: Aerobic Respiration
Aerobic respiration consists of three stages – pyruvate oxidation, the Krebs cycle and
Know where the different stages of aerobic respiration occur in prokaryotic and eukaryotic cells.
glycolysis alone and glycolysis followed by aerobic respiration, and understand why they are different.
www.sci.uidaho.edu /bionet/biol115/t4_energy/lesson01/lesson1_mod3.htm   (160 words)

  
 Aerobic Respiration - Search Results - MSN Encarta   (Site not responding. Last check: 2007-10-30)
Aerobic Respiration, biochemical process in living things whereby sugars and similar substances, resulting from the digestion of food, are broken...
Anaerobic respiration occurs in the cytoplasm of the cell and releases only a small proportion of the total energy contained in the fuel molecules...
We are all familiar with the pain that develops in our muscles if we overdo exercise.
uk.encarta.msn.com /Aerobic_Respiration.html   (130 words)

  
 Aerobic respiration   (Site not responding. Last check: 2007-10-30)
In aerobic respiration an electron is transferred from an energy-rich atom as a carbon atom in an organic molecule) to an oxygen atom via an transport chain.
This makes for a total gain 38 ATP molecules during cellular respiration.
From the recordings I listened to, I think this would be appropriate for an aerobic dance or kickboxing class.
www.freeglossary.com /Aerobic_respiration   (291 words)

  
 Respiration
Respiration is the release of energy from glucose or another organic chemical.
Aerobic Respiration is the normal form of respiration.
Anaerobic Respiration also releases energy from glucose but not so much I mole of glucose will produce 118 Kilojoules of energy.
www.sambal.co.uk /respiration.html   (195 words)

  
 Respiration
Respiration = the means by which the energy of the sun, captured during photosynthesis, is transferred to ATP and made available for the energy requirements of the cell
Under aerobic conditions the pyruvate formed from glycolysis goes through three additional stages in the mitochondria where it is completely oxidized into CO yielding much more energy
Anaerobic respiration yields only 2 ATP's from glycolysis because there is no Krebs cycle nor electron transport chain.
arnica.csustan.edu /boty1050/Respiration/respiration.htm   (1007 words)

  
 Cellular Respiration
The breakdown of one glucose results in 36 to 38 ATP molecules being formed; this is under 40% of the potential energy within a glucose molecule, over 60% is lost as heat.
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)

  
 Aerobic Anaerobic Respiration - UK Special offers
Aerobic respiration is the release of energy from glucose or another organic substrate in the...
In aerobic respiration glucose reacts with oxygen in the...
Before studying anaerobic lifestyles of the rumen micro-organisms some revision of aerobic respiration will be...
www.searchhut.co.uk /aerobic-anaerobic-respiration.htm   (119 words)

  
 Anaerobic Respiration
What defines it as aerobic is its use of oxygen as the terminal electron accepter.
The ETS used is somewhat similar to aerobic respiration, but the terminal electron transport protein donates its electrons to nitrate instead of oxygen.
All types of respiration investigated so far involve a membrane system, the generation of a ion gradient and the formation of ATP via ATP synthase.
dwb.unl.edu /Teacher/NSF/C11/C11Links/www.bact.wisc.edu/microtextbook/metabolism/RespAnaer.html   (1326 words)

  
 Aerobic Cell Respiration   (Site not responding. Last check: 2007-10-30)
Aerobic Cell Respiration: Germinating Peas in Phenol Red
Purpose: The purpose of this investigation is to introduce the student to the process by which most cells burn glucose with oxygen, a process called aerobic cell respiration.
Germinating peas are an ideal organism for this experiment because they are growing rapidly and are burning the sugar that is stored in the seed.
faculty.southwest.tn.edu /jiwilliams/aerobic_cell_respiration1.htm   (234 words)

  
 AEROBIC RESPIRATION   (Site not responding. Last check: 2007-10-30)
Aerobic respiration (def) is the aerobic catabolism of nutrients to carbon dioxide, water, and energy, and involves an electron transport system (def) in which molecular oxygen is the final electron acceptor.
Most eukaryotes and prokaryotes use aerobic respiration to obtain energy from glucose.
Aerobic respiration involves four stages: glycolysis, a transition reaction that forms acetyl coenzyme A, the citric acid (Krebs) cycle, and an electron transport chain and chemiosmosis.
student.ccbcmd.edu /biotutorials/cellresp/aerresp.html   (140 words)

  
 Respiration
Tissue Respiration, Ventilating the Lungs and Gaseous Exchange are terms with precise meanings and you must know what these are.
Tissue respiration is the release of energy, usually from glucose, in the tissues of all animals, green plants, fungi and bacteria.
The most efficient form of respiration is aerobic respiration: this requires oxygen.
www.purchon.com /biology/respire.htm   (861 words)

  
 CELLULAR RESPIRATION   (Site not responding. Last check: 2007-10-30)
Aerobic Respiration produces nearly 20 times as much ATP as is produced by glycolysis alone.
Relate aerobic respiration to the structure of a mitochondrion.
Contrast the roles of glycolysis and aerobic respiration in cellular respiration.
www.sirinet.net /~jgjohnso/respiration.html   (2127 words)

  
 REVIEW CHAPTER 7, CELLULAR RESPIRATION   (Site not responding. Last check: 2007-10-30)
If plants cannot produce enough ATP in the process of photosynthesis to meet their energy needs, they can produce it in aerobic respiration.
glycolysis occurs only in photosynthesis, while aerobic respiration is part of cellular respiration.
aerobic respiration to yield ATP for the plant to use to meet its energy needs.
www.sirinet.net /~jgjohnso/revcellrespiration.html   (2191 words)

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