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	Encyclopedia: Cellular fermentation
		Fermentation typically refers to the conversion of sugar to alcohol using yeast.
		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.
		In lactic acid fermentation, the pyruvic acid is broken down into carbon dioxide, water, and lactic acid.
	www.nationmaster.com /encyclopedia/Cellular-fermentation (389 words)

	Cellular respiration and fermentation are catabolic (energy-yielding) pathways (Site not responding. Last check: 2007-10-13)
		Cellular respiration and fermentation are catabolic (energy-yielding) pathways
		Fermentation, which occurs without oxygen, is the partial degradation of sugars to release energy.
		Cellular respiration, the most common catabolic pathway, uses oxygen to break down glucose (or other energy-rich organic compounds) and obtain energy in the usable form of ATP
	www.heathwood.org /science/apb09jhm/sld004.htm (70 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)

	CELLULAR RESPIRATION (Site not responding. Last check: 2007-10-13)
		Cellular respiration involves the breakdown of glucose (a hexose sugar) by one of two pathways:
		The progress of a fermentation process can be measured by determining the amount of carbon dioxide that has been produced.
		We are using it in this experiment because it affects the activity of one of the enzymes involved in the fermentation process.
	www.rit.edu /~gtfsbi/genbiol/respiration2/Cellresp.htm (2598 words)

	rec5 (Site not responding. Last check: 2007-10-13)
		Fermentations are chemical processes which occur an aerobically in the cytoplasm of the cell following glycolysis.
		This form of fermentation occurs in such bacteria as the lactobacilli and streptococci, and can also occur in human cells (such as muscle tissue) if sufficient oxygen is not available for complete respiration to occur.
		In alcoholic fermentation, the electrons and hydrogens carried by NAD are donated to acetaldehyde, converting it to ethyl alcohol (ethanol).
	us.geocities.com /alliaria/rec6.html (3137 words)

	Biochemical conversions by yeast fermentation at high cell densities - Patent 4414329
		The mineral salts concentration in the liquid supernatant of the ferment (that is, the ferment excluding cells) itself remains, of course, at relatively low levels, since the salts are consumed by the yeast cells in growth and reproduction.
		Yeast cells were separated from the fermentation effluent, washed, and dried as in Example I. On a dried basis, the yeast cells were produced in a yield of 41.4 g per 100 g of methanol fed, the cell density being at the very desirably high level of 133.3 g of cells per liter of effluent.
		Yeast cells were separated from the fermentation effluent, washed, and dried as in Example I. On a dried basis, the yeast cells were produced in a yield of 31.0 g per 100 g of methanol fed, the cell density being at 73.3 g of cells per liter of effluent.
	www.freepatentsonline.com /4414329.html (10137 words)

	Basics of Cellular Respiration (Site not responding. Last check: 2007-10-13)
		In fact, cellular respiration is a controlled burning process that harvests a portion of the energy given off by oxidation and stores it in ATP.
		Fermentation is a process where an organic molecule is oxidized and the electrons are transferred to an organic acceptor.
		Alcohol fermentation is carried out by yeast cells to make bread rise and to produce beer and wine.
	www.users.csbsju.edu /~dgbrown/BIOL116/Notes/Respiration.html (1097 words)

	Cell Respiration
		Fermentation is anaerobic while cellular respiration is aerobic.
		Cellular respiration, unlike fermentation, is an aerobic process.
		In cellular respiration glucose is completely degradated and the chemical energy released is captured and used to convert ADP to ATP, and ultimately results in the production of 36 to 38 ATP molecules / glucose molecule.
	www.pc.vccs.edu /biology-labmanual/lab6cellresp/cellrespiration.htm (1264 words)

	Unit III - Bioenergetics - Cellular Respiration
		State the sources of the glucose and oxygen needed for cellular respiration.
		The process of fermentation and aerobic process of cellular respiration are similar because both metabolic pathways use glycolysis to oxidize glucose and other substrates to pyruvate, producing a net profit of 2 ATP's by substrate phosphorylation, and the use NAD+ as the oxidizing agent that accepts electrons from food during glycolysis.
		Explain how cellular respiration is related to the process of photosynthesis in the flow of energy and the cycling of matter.
	www.chs.k12.nf.ca /science/b2201/WebCT-Copy/units/unit3-09.htm (1039 words)

	Eduard Buchner - Wikipedia, the free encyclopedia
		Eduard Buchner (May 20, 1860 -- August 13, 1917) was a German chemist and zymologist, the winner of the 1907 Nobel Prize in Chemistry for his work on fermentation.
		He was born in Munich, the son of a physician and Professor Extraordinary of Forensic Medicine.
		Buchner was awarded the 1907 Nobel Prize in Chemistry for his biochemical investigations and his discovery of non-cellular fermentation.
	en.wikipedia.org /wiki/Eduard_Buchner (180 words)

	Cellular Respiration II
		Fermentation: When oxygen is not available, another organic molecule can accept the hydrogen atom instead.
		In the absence of oxygen, cells donate the hydrogen atom generated by glycolysis to organic molecules in a process called fermentation.
		In fermentations, which are anaerobic processes, the electrons generated in the glycolytic breakdown of glucose are donated to an oxidized organic molecule.
	bioweb.cs.earlham.edu /9-12/cellularrespiration/HTML/cellr2.html (892 words)

	Cellular Respiration
		Because the balloon inflated and we saw bubbles rising to the top of the cider, it is clear that the yeast participated in alcoholic fermentation, because it is the only type of fermentation that produces CO as a by-product.
		The bubbles rising to the top of the cider were gas bubbles of CO escaping from the yeast and rising to the air.
		Glycolysis is a nine step process, with carbohydrate intermediates at each step, that breaks a glucose molecule into two molecules of pyruvic acid, and produces two molecules of ATP for use by the cell via substrate level phosphorylation and two molecules of NADH, a high energy electron carrier.
	www.sidwell.edu /us/science/vlb5/Labs/Cellular_Respiration/cellular_respiration.html (1572 words)

	BIOLOGY 1406
		Cellular respiration = An ATP-producing catabolic process in which the ultimate electron acceptor is an inorganic molecule, such as oxygen.
		Cellular respiration is a redox process that transfers hydrogen, including electrons with high potential energy, from sugar to oxygen.
		Cellular respiration does not oxidize glucose in one explosive step, as the energy could not be efficiently harnessed in a form available to perform cellular work.
	www.accd.edu /sac/biology/MrT/06web4/ch9.htm (2722 words)

	Cellular Fermentation and Muscle Cells (Site not responding. Last check: 2007-10-13)
		The process of fermentation is not as efficient as respiration.
		Part A. Fermentation is a metabolic process, which involves a number of enzymes and a series of steps.
		In lab today we will be using the enzyme amylase to digest the starch molecules and we will be comparing the rate of fermentation in two set ups, one with amylase and one without.
	biology.dbs.umt.edu /biol101s04/labs/Wyrick_s04/7_cellular_respiration_1.htm (1865 words)

	Metabolism and Cellular Respiration (AP)
		Cellular respiration is sometimes refered to as energy metabolism.
		The major concept of cellular respiration is the extraction of the energy to make ATP (adenosine triphosphate) from the chemical bonds of food molecules.
		For this reason alcoholic fermentation along with all the other types of fermentation is termed anaerobic respiration, cellular respiration without the use of oxygen.
	gbn.glenbrook.k12.il.us /academics/science/staff/Biology/Metabolism/Metaboli.html (1869 words)

	Cellular Fermentation and Muscle Cells (Site not responding. Last check: 2007-10-13)
		Cellular respiration is performed by enzyme systems that exist in the cytoplasm and in mitochondria of eukaryotic cells.
		The second step in cellular respiration is the Krebs cycle (also called the citric acid or tri-carboxylic acid cycle).
		The process of fermentation produces lactic acid in animals and alcohol in yeast.
	biology.umt.edu /biol101S03/labs/Wyrick_s03/7_cellular_respiration_1.htm (1810 words)

	Chapter 9 Study Guide (Site not responding. Last check: 2007-10-13)
		The final steps of alcoholic fermentation (reduction of pyruvate into ethanol) and the electron transport system occur in the cell for the same basic underlying purpose.
		Based upon your knowledge of the basic differences between fermentation and aerobic respiration, explain why aerobic respiration of glucose is so much more efficient (almost 19 X more efficient) at producing ATP than fermentation.
		The process of cellular respiration has another important function in metabolism in addition to its role of breaking down food molecules to produce energy.
	www.franklincollege.edu /bioweb/cell/cellch9.htm (1158 words)

	Biology
		The metabolic pathway that is common to both fermentation and aerobic respiration is glycolysis.
		Most of the ATP during cellular respiration is generated by oxidative phosphorylation.
		ATP drives cellular work by transferring phosphate groups to various substrates which then primes them to undergo a particular change.
	www.msu.edu /~browerst/ChNineObj.html (258 words)

	Fermentation (Site not responding. Last check: 2007-10-13)
		Cellular respiration (def) is the process cells use to convert the energy in the chemical bonds of nutrients to ATP energy.
		Depending on the organism, cellular respiration can be aerobic, anaerobic, or both.
		Some fermentation end products produced by microorganisms are very beneficial to humans and are the basis of a number of industries (brewing industry, dairy industry, etc.).
	www.cat.cc.md.us /courses/bio141/lecguide/unit4/metabolism/cellresp/ferm.html (346 words)

	Introductory Biology Courseware (110)- Cellular Respiration (Site not responding. Last check: 2007-10-13)
		Pyruvate, a product of glycolysis may either be converted to lactate or ethanol (fermentation) or be converted to an acetyl group for further processing during the Krebs cycle.
		Two types of fermentation occur, one in yeast (movie) and one in muscle cells (movie) when oxygen is not available in adequate amounts to allow for oxidative phosphorylation.
		Although the discussion here has emphasized the central role of glucose as a metabolic substrate during cellular metabolism, it is important to note that metabolic pathways utilize other metabolic substrates.
	tidepool.st.usm.edu /crswr/110respiration.html (710 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)

	Summary 6.1
		Cellular respiration involves the transfer of electrons from a reduced compound like glucose to an oxidized molecule such as oxygen, through an electron transport chain.
		Fermentation involves the transfer of electrons from a reduced organic compound to an oxidized organic compound, without participation by an electron transport chain.
		Cellular respiration has three components: glycolysis, the Krebs cycle, and electron transport coupled with oxidative phosphorylation.
	wps.prenhall.com /esm_freeman_biosci_1/0,6452,498587-,00.html (157 words)

	CELLULAR METABOLISM AND FERMENTATION
		conditions, the absence of oxygen, pyruvic acid can be routed by the organism into one of three pathways: lactic acid fermentation, alcohol fermentation, or cellular (anaerobic) respiration.
		Humans cannot ferment alcohol in their own bodies, we lack the genetic information to do so.
		Humans ferment lactic acid in muscles where oxygen becomes depleted, resulting in localized anaerobic conditions.
	www.emc.maricopa.edu /faculty/farabee/BIOBK/BioBookGlyc.html (1147 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)

	Biology 132 Chapter 07 Handout
		There are metabolic processes that play roles in the breakdown of glucose for energy: glycolysis, cellular respiration and fermentation.
		Then, if the cell is in anaerobic conditions fermentation occurs, if the cell is in aerobic conditions cellular respiration occurs.
		Fermentation is the process by which cells donate the hydrogen atoms generated by glycolysis to organic molecules derived from the original nutrient.
	www.sewanee.edu /biology/berner/Biology132/handouts/chapter07.html (856 words)

	Cellular Respiration:
		Cellular Respiration: breaking down sugar in the presence of oxygen (aerobic).
		they take in from their environment and turn it into energy to be used in cellular work....
		Be able to write the overall equation for Cellular respiration.
	www.biology.iupui.edu /biocourses/N100/2k3ch7respiration.html (345 words)

	The first stage of cellular respiration is called_______1________
		The process of cellular respiration a) is performed only by organisms that are incapable of photosynthesis b) breaks down food molecules to release the stored chemical energy c) occurs before plants are able to carry out photosynthesis d) occurs only in animals
		In cellular respiration, a two carbon molecule combines with a four carbon molecule to form citric acid as part of a) glycolysis b) carbon fixation c) the Kreb’s Citric Acid cycle d) the electron transport system
		Cellular respiration is the antithesis of photosynthesis a) true b) false
	blue.utb.edu /rlnash/Summer2004/ReviewsSummer2004/Test%20Resp.htm (1248 words)

	Cellular Respiration
		In fermentation these pyruvic acid molecules are turned into some “waste” product, and a little bit of energy (only two ATP molecules per molecule of glucose--actually four are produced, but two are used up) is produced.
		Lactic acid fermentation is done by our muscles (sometimes), some fungi, and some bacteria like the Lactobacillus acidophilus: one of the main bacteria in yogurt','lacto = milk, bacill = a little stick, acid = sour, philia = brotherly love','../../sounds/bio104/lactobac.au')" onMouseOver="window.status='A species of bacteria in yogurt'; return true">Lactobacillus acidophilus.
		In contrast, in the process of cellular respiration, the pyruvic acid molecules are broken down completely to CO and more energy released.
	filebox.vt.edu /users/mmaroney/ERC/cellresp.htm (1644 words)

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