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Top competitors on query "why does krebs cycle occur in the mitochondria"
citric acid cycle
http://www.bmb.leeds.ac.uk/illingworth/metabol/krebs.htm Competition: low
The most important emptying processes are the removal of malate and related compounds for the synthesis of carbohydrates, and the export of citrate from the mitochondria for the biosynthesis of fat. Coenzyme A and its various derivatives are fifty times lower than this, and oxaloacetate is present in vanishingly small amounts, especially in the fasting state
The Metabolic Types
http://bloodph.com/articles/krebs-cycle.asp Competition: low
These intermediates are then passed into the electron transport chain where they undergo a further series of reactions - receiving and donating electrons down the chain - to produce energy, in the form of ATP (adenosine triphosphate), CO2 and water. Fast Oxidizers tend to burn up glucose too rapidly, therefore requiring more proteins and fats to slow down the rate of glucose combustion in the Krebs cycle
Yahoo! Answers - Summarize what happens during krebs cycle?
http://malaysia.answers.yahoo.com/question/index?qid=20080127202554AALPW2P Competition: low
The main goal of the krebs cycle as I was taught in Biochem is to create an abundance of NADH electron carrier molecules for use in the Electron Transport chain, aka oxidative phosphorylation. To answer your question there are electron carrying molecules created in this cycle which will be transported to the ETC (electron transport chain) to maintain the gradient that allows ATP to be made in large quantities
Cell Respiration: Introduction
http://www.phschool.com/science/biology_place/biocoach/cellresp/intro.html Competition: low
Since most textbooks provide abundant details of the chemical reactions in respiration, this tutorial will focus on how the chemical energy in glucose is converted into ATP and where respiration occurs in the cell. Carbohydrates, fats, and proteins can all be used as fuels in cellular respiration, but glucose is most commonly used as an example to examine the reactions and pathways involved
http://answers.yahoo.com/question/index?qid=20080201083129AAsMVuX Competition: low
Other relevant reactions in the pathway include those in glycolysis and pyruvate oxidation before the citric acid cycle, and oxidative phosphorylation after it. During the pay-off phase of glycolysis, four phosphate groups are transferred to ADP by substrate-level phosphorylation to make four ATP, and two NADH are produced when the triose sugars are oxidized
Where in a cell does aerobic respiration occur? - Yahoo!7 Answers
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Hope that helps! Source(s): Bio major 2 years ago Report Abuse 1 person rated this as good Asker's Rating: Asker's Comment: Great, thanks!! 0 stars - mark this as Interesting! Email Comment (0) Save Add to My Yahoo!7 Add to Del.icio.us RSS There are currently no comments for this question. Hope that helped :) 2 years ago Report Abuse 1 person rated this as good by ? Member since: 25 February 2012 Total points: 1,394 (Level 3) Add Contact Block it occurs in the matrix of mitochondria
http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/A/ATP.html Competition: low
Its release from damaged cells can elicit inflammation and pain; from the carotid body signals a shortage of oxygen in the blood; from taste receptor cells triggers action potentials in the sensory nerves leading back to the brain; from the stretched wall of the urinary bladder signals when the bladder needs emptying. (The bond between the first and second phosphates is also "high-energy".) (But please note that the term is not being used in the same sense as the term "bond energy"
http://en.wikibooks.org/wiki/Principles_of_Biochemistry/Krebs_cycle_or_Citric_acid_cycle Competition: low
Another isoform of the enzyme catalyzes the same reaction, however this reaction is unrelated to the citric acid cycle, is carried out in the cytosol as well as the mitochondrion and peroxisome and uses NADP+ as a cofactor instead of NAD+. Other relevant reactions in the pathway include those in glycolysis and pyruvate oxidation before the citric acid cycle, and oxidative phosphorylation after it
http://quizlet.com/8308644/section-9-2-the-krebs-cycle-and-electron-transport-flash-cards/ Competition: low
it released as heat what are the final waste products of cellular respiration? water and carbon dioxide what are three sources of ATP a human body uses at the beginning of a race? ATP already in the muscles, new ATP made by lactic acid and fermentation, cellular repiration when runners need quick energy for a short race, what source can supply enough ATP for about 90 seconds. In prokaryotes, the chain is in the cell membrane where does the electron transport chain get the high energy electrons that are passed down the chain? it gets them from NADH and FADH2 produced in the Krebs cycle is the following true or False
I need a simple explanation for the Krebs Cycle
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The citric acid gradually loses that energy, partly as CO2 (a waste product) and partly as GTP and NADH and FADH2, which go on to produce ATP, which is used to power many of the actual operations in the body
Mitochondrion - Wikipedia, the free encyclopedia
http://en.wikipedia.org/wiki/Mitochondrion Competition: low
Hunt (1978): "The role of mitochondria in growth plate calcification as demonstrated in a rachitic model", Journal of Bone and Joint Surgery, 60-A: 630-639. This creates a vicious cycle of uncoupling; furthermore, even though oxygen consumption increases, ATP synthesis does not increase proportionally because the mitochondria is uncoupled
Glycolysis
http://www.uic.edu/classes/bios/bios100/lecturesf04am/lect12.htm Competition: low
An eight-carbon fatty acid can produce 4 acetyl CoA's Each acetyl CoA is worth 12 ATP's (3 NADP, 1 FADH2, 1 ATP) Therefore, this short fatty acid is worth 48 ATP's, a fat with three chains of this length would be worth 144 ATP's! This is why fats are such a good source of energy, and are hard to lose if you want to lose weight A comparison between Plants and Animals Animal cells and Plant cells contain mitochondria! However, animal cells contain many more mitochondria than plant cells Animal cells get most of their ATP from mitochondria Plant cells get most of their ATP from the chloroplast The ATP generated from the mitochondria is only used when the plant cannot generate ATP directly from the light-dependent reactions Other Uses for Molecules used in Glycolysis and the Krebs Cycle Not all of the molecules that enter Glycolysis and the Krebs Cycle are used for energy Some are used to synthesize fats, nucleotides, amino acids, and other biologically important molecules
http://www.ehow.com/how-does_5262273_steps-krebs-cycle.html Competition: low
Marieb, Ktja Hoehn; 2007 Britannica: Tricarboxylic Acid Cycle More Like This The Krebs Cycle Made Easy How to Memorize the Citric Acid Cycle or Krebs Cycle Three Stages of Cellular Respiration You May Also Like How to Teach the Kreb Cycle Steps of the Krebs Cycle. Krebs Cycle Activities The citric acid cycle, also known as the tricarboxylate acid cycle, is a metabolic pathway located inside the matrix of the mitochondria..
What Is the Krebs Cycle?
http://www.wisegeek.org/what-is-the-krebs-cycle.htm Competition: low
The Krebs cycle is the second stage of aerobic respiration, the first being glycolysis and last being the electron transport chain; the cycle is a series of stages that every living cell must undergo in order to produce energy. The cycle occurs by essentially linking two carbon coenzyme with carbon compounds; the created compound then goes through a series of changes that produce energy
http://www.ehow.com/way_5754544_krebs-cycle-made-easy.html Competition: low
The mitochondrial matrix is the space within the inner membrane of the mitochondrion that contains hundreds of enzymes that function as part of the Krebs cycle. The citric acid loses carbon dioxide from the oxaloacetate in the process of oxidation, and the electrons from this chemical reaction transfer to a coenzyme called nicotinamide adenine dinucleotide, or NAD+, to create NADH
http://inoxx.net/?tag=krebs-cycle Competition: low
This is particularly useful because ATP can undergo a type of chemical reaction called hydrolysis which will remove a phosphate group and release useful energy. Lack of oxygen is not the only factor that can limit the electron transport chain, cyanide for instance binds strongly to the heme group that exists in Cytochrome c molecules, thus stopping the transport of electrons from complex III to complex IV
http://www.weegy.com/home.aspx?ConversationId=92041FB9 Competition: low
Log In Sign Up MyWeegy Manage Resources Archive Blog About Ask a questionIn the process of aerobic respiration, the Krebs Cycle (Citric Acid Cycle) occurs in the A
Overview of Krebs Reactions, Electron Transport, and Oxidative Phosphorylation by Mitochondria
http://www.ruf.rice.edu/~bioslabs/studies/mitochondria/mitoverview.html Competition: low
By controlling enzyme activity a cell can control what reactions take place, because the types of reactions catalyzed by enzymes are extremely unlikely to occur spontaneously. While enzymes are designed to conserve free energy, some energy is always 'wasted' with each process (although endotherms use the 'wasted' energy to maintain body temperature)
Controlled oxidation of substrates: selected Krebs cycle mechanisms
http://www.ruf.rice.edu/~bioslabs/studies/mitochondria/mitokrebs.html Competition: low
Copyright and Intended Use Visitors: to ensure that your message is not mistaken for SPAM, please include the acronym "Bios211" in the subject line of e-mail communications Created by David R. Unfortunately, such a presentation may leave students with the impression that metabolites follow a linear progression through glycolysis to acetyl-coenzyme A to citric acid, through the Krebs intermediates to oxaloacetate, which is then coupled to the two carbons of another acteyl-coenzyme A to regenerate citric acid
Krebs Cycle
http://www.austincc.edu/emeyerth/krebs.htm Competition: low
This reaction is not really part of the Krebs Cycle, however, since pyruvate is most often generated by glycolysis (which occurs in the cytoplasm of the cell) and the oxidation of pyruvate occurs in the mitochondrion, it is usually associated with the cycle. A quick glance at the above equation will show you that no oxygen or glucose is used in the cycle and that it does not make much ATP (only one molecule for each acetyl CoA that enters the cycle)
Where does the Krebs cycle takes place in the
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(Des What is needed for the Krebs Cycle to take place? Oxygen Where in the cell does the Krebs cycle take place? The Krebs cycle takes place in the matrix of the mitochondrion
Why do sperm cells contain large amounts of mitochondria and glucose
http://wiki.answers.com/Q/Why_do_sperm_cells_contain_large_amounts_of_mitochondria_and_glucose Competition: low
The reason why there are so many mitochondria in a sperm cell is a bit of a mystery because sperm cells produce energy mainly by a process called glycolysis, which does not require mitochondria. Last edit by Miss.pelling Answer History Related Answers: Why do sperm cells contain large amounts of mitochondria and glucose? Answer The motile sperm or spermatozoon uses a flagellum to move towards the egg during reproduction Why sperm cells contain large numbers of mitochondria? Sperms need large numbers of mitochondria to produce a lot of energy that is needed for the sperms t Three tissues in the body that contain large amounts of mitochondria? Muscle tissues, Lung tissues, and Heart tissues A large concentration of mitochondria are present in which section of a sperm cell? middle section Where are large numbers of mitochondria found in a sperm cell and why? middle section In the flagella (its the tail thing.)
Citric acid cycle - Wikipedia, the free encyclopedia
http://en.wikipedia.org/wiki/Citric_acid_cycle Competition: low
Reactions that form intermediates of the TCA cycle in order to replenish them (especially during the scarcity of the intermediates) are called anaplerotic reactions. In many tissues, especially heart tissue, fatty acids are broken down through a process known as beta oxidation, which results in acetyl-CoA, which can be used in the citric acid cycle
Cell Respiration: Where does the Krebs Cycle occur?
http://www.funnelbrain.com/c-291764-does-krebs-cycle-occur.html Competition: low
Teams This Deck Belongs To Meister's Turkey Faces, AP Biology Exam Review by Robert Dennison, Biology (Campbell biology book), apbio, Sci High AP Bio 2012 Flashcard Deck Tags AP Biology Exam Review, Molecules and Cells, Cell Respiration Flashcard Review 37 Where does the Krebs Cycle occur? 38 the three ways of measuring cellular ... All right reserved *SAT, AP and Advanced Placement Program are registered trademarks of the College Board, which was not involved in the production of, and does not endorse, this product
citric acid cycle
The most important emptying processes are the removal of malate and related compounds for the synthesis of carbohydrates, and the export of citrate from the mitochondria for the biosynthesis of fat. Coenzyme A and its various derivatives are fifty times lower than this, and oxaloacetate is present in vanishingly small amounts, especially in the fasting state
The Metabolic Types
These intermediates are then passed into the electron transport chain where they undergo a further series of reactions - receiving and donating electrons down the chain - to produce energy, in the form of ATP (adenosine triphosphate), CO2 and water. Fast Oxidizers tend to burn up glucose too rapidly, therefore requiring more proteins and fats to slow down the rate of glucose combustion in the Krebs cycle
Yahoo! Answers - Summarize what happens during krebs cycle?
The main goal of the krebs cycle as I was taught in Biochem is to create an abundance of NADH electron carrier molecules for use in the Electron Transport chain, aka oxidative phosphorylation. To answer your question there are electron carrying molecules created in this cycle which will be transported to the ETC (electron transport chain) to maintain the gradient that allows ATP to be made in large quantities
Cell Respiration: Introduction
Since most textbooks provide abundant details of the chemical reactions in respiration, this tutorial will focus on how the chemical energy in glucose is converted into ATP and where respiration occurs in the cell. Carbohydrates, fats, and proteins can all be used as fuels in cellular respiration, but glucose is most commonly used as an example to examine the reactions and pathways involved
Other relevant reactions in the pathway include those in glycolysis and pyruvate oxidation before the citric acid cycle, and oxidative phosphorylation after it. During the pay-off phase of glycolysis, four phosphate groups are transferred to ADP by substrate-level phosphorylation to make four ATP, and two NADH are produced when the triose sugars are oxidized
Where in a cell does aerobic respiration occur? - Yahoo!7 Answers
Hope that helps! Source(s): Bio major 2 years ago Report Abuse 1 person rated this as good Asker's Rating: Asker's Comment: Great, thanks!! 0 stars - mark this as Interesting! Email Comment (0) Save Add to My Yahoo!7 Add to Del.icio.us RSS There are currently no comments for this question. Hope that helped :) 2 years ago Report Abuse 1 person rated this as good by ? Member since: 25 February 2012 Total points: 1,394 (Level 3) Add Contact Block it occurs in the matrix of mitochondria
Its release from damaged cells can elicit inflammation and pain; from the carotid body signals a shortage of oxygen in the blood; from taste receptor cells triggers action potentials in the sensory nerves leading back to the brain; from the stretched wall of the urinary bladder signals when the bladder needs emptying. (The bond between the first and second phosphates is also "high-energy".) (But please note that the term is not being used in the same sense as the term "bond energy"
Another isoform of the enzyme catalyzes the same reaction, however this reaction is unrelated to the citric acid cycle, is carried out in the cytosol as well as the mitochondrion and peroxisome and uses NADP+ as a cofactor instead of NAD+. Other relevant reactions in the pathway include those in glycolysis and pyruvate oxidation before the citric acid cycle, and oxidative phosphorylation after it
it released as heat what are the final waste products of cellular respiration? water and carbon dioxide what are three sources of ATP a human body uses at the beginning of a race? ATP already in the muscles, new ATP made by lactic acid and fermentation, cellular repiration when runners need quick energy for a short race, what source can supply enough ATP for about 90 seconds. In prokaryotes, the chain is in the cell membrane where does the electron transport chain get the high energy electrons that are passed down the chain? it gets them from NADH and FADH2 produced in the Krebs cycle is the following true or False
I need a simple explanation for the Krebs Cycle
http://askville.amazon.com/simple-explanation-Krebs-Cycle/AnswerViewer.do?requestId=5571767 Competition: lowThe citric acid gradually loses that energy, partly as CO2 (a waste product) and partly as GTP and NADH and FADH2, which go on to produce ATP, which is used to power many of the actual operations in the body
Mitochondrion - Wikipedia, the free encyclopedia
Hunt (1978): "The role of mitochondria in growth plate calcification as demonstrated in a rachitic model", Journal of Bone and Joint Surgery, 60-A: 630-639. This creates a vicious cycle of uncoupling; furthermore, even though oxygen consumption increases, ATP synthesis does not increase proportionally because the mitochondria is uncoupled
Glycolysis
An eight-carbon fatty acid can produce 4 acetyl CoA's Each acetyl CoA is worth 12 ATP's (3 NADP, 1 FADH2, 1 ATP) Therefore, this short fatty acid is worth 48 ATP's, a fat with three chains of this length would be worth 144 ATP's! This is why fats are such a good source of energy, and are hard to lose if you want to lose weight A comparison between Plants and Animals Animal cells and Plant cells contain mitochondria! However, animal cells contain many more mitochondria than plant cells Animal cells get most of their ATP from mitochondria Plant cells get most of their ATP from the chloroplast The ATP generated from the mitochondria is only used when the plant cannot generate ATP directly from the light-dependent reactions Other Uses for Molecules used in Glycolysis and the Krebs Cycle Not all of the molecules that enter Glycolysis and the Krebs Cycle are used for energy Some are used to synthesize fats, nucleotides, amino acids, and other biologically important molecules
Marieb, Ktja Hoehn; 2007 Britannica: Tricarboxylic Acid Cycle More Like This The Krebs Cycle Made Easy How to Memorize the Citric Acid Cycle or Krebs Cycle Three Stages of Cellular Respiration You May Also Like How to Teach the Kreb Cycle Steps of the Krebs Cycle. Krebs Cycle Activities The citric acid cycle, also known as the tricarboxylate acid cycle, is a metabolic pathway located inside the matrix of the mitochondria..
What Is the Krebs Cycle?
The Krebs cycle is the second stage of aerobic respiration, the first being glycolysis and last being the electron transport chain; the cycle is a series of stages that every living cell must undergo in order to produce energy. The cycle occurs by essentially linking two carbon coenzyme with carbon compounds; the created compound then goes through a series of changes that produce energy
The mitochondrial matrix is the space within the inner membrane of the mitochondrion that contains hundreds of enzymes that function as part of the Krebs cycle. The citric acid loses carbon dioxide from the oxaloacetate in the process of oxidation, and the electrons from this chemical reaction transfer to a coenzyme called nicotinamide adenine dinucleotide, or NAD+, to create NADH
This is particularly useful because ATP can undergo a type of chemical reaction called hydrolysis which will remove a phosphate group and release useful energy. Lack of oxygen is not the only factor that can limit the electron transport chain, cyanide for instance binds strongly to the heme group that exists in Cytochrome c molecules, thus stopping the transport of electrons from complex III to complex IV
Log In Sign Up MyWeegy Manage Resources Archive Blog About Ask a questionIn the process of aerobic respiration, the Krebs Cycle (Citric Acid Cycle) occurs in the A
Overview of Krebs Reactions, Electron Transport, and Oxidative Phosphorylation by Mitochondria
By controlling enzyme activity a cell can control what reactions take place, because the types of reactions catalyzed by enzymes are extremely unlikely to occur spontaneously. While enzymes are designed to conserve free energy, some energy is always 'wasted' with each process (although endotherms use the 'wasted' energy to maintain body temperature)
Controlled oxidation of substrates: selected Krebs cycle mechanisms
Copyright and Intended Use Visitors: to ensure that your message is not mistaken for SPAM, please include the acronym "Bios211" in the subject line of e-mail communications Created by David R. Unfortunately, such a presentation may leave students with the impression that metabolites follow a linear progression through glycolysis to acetyl-coenzyme A to citric acid, through the Krebs intermediates to oxaloacetate, which is then coupled to the two carbons of another acteyl-coenzyme A to regenerate citric acid
Krebs Cycle
This reaction is not really part of the Krebs Cycle, however, since pyruvate is most often generated by glycolysis (which occurs in the cytoplasm of the cell) and the oxidation of pyruvate occurs in the mitochondrion, it is usually associated with the cycle. A quick glance at the above equation will show you that no oxygen or glucose is used in the cycle and that it does not make much ATP (only one molecule for each acetyl CoA that enters the cycle)
Where does the Krebs cycle takes place in the
(Des What is needed for the Krebs Cycle to take place? Oxygen Where in the cell does the Krebs cycle take place? The Krebs cycle takes place in the matrix of the mitochondrion
Why do sperm cells contain large amounts of mitochondria and glucose
The reason why there are so many mitochondria in a sperm cell is a bit of a mystery because sperm cells produce energy mainly by a process called glycolysis, which does not require mitochondria. Last edit by Miss.pelling Answer History Related Answers: Why do sperm cells contain large amounts of mitochondria and glucose? Answer The motile sperm or spermatozoon uses a flagellum to move towards the egg during reproduction Why sperm cells contain large numbers of mitochondria? Sperms need large numbers of mitochondria to produce a lot of energy that is needed for the sperms t Three tissues in the body that contain large amounts of mitochondria? Muscle tissues, Lung tissues, and Heart tissues A large concentration of mitochondria are present in which section of a sperm cell? middle section Where are large numbers of mitochondria found in a sperm cell and why? middle section In the flagella (its the tail thing.)
Citric acid cycle - Wikipedia, the free encyclopedia
Reactions that form intermediates of the TCA cycle in order to replenish them (especially during the scarcity of the intermediates) are called anaplerotic reactions. In many tissues, especially heart tissue, fatty acids are broken down through a process known as beta oxidation, which results in acetyl-CoA, which can be used in the citric acid cycle
Cell Respiration: Where does the Krebs Cycle occur?
Teams This Deck Belongs To Meister's Turkey Faces, AP Biology Exam Review by Robert Dennison, Biology (Campbell biology book), apbio, Sci High AP Bio 2012 Flashcard Deck Tags AP Biology Exam Review, Molecules and Cells, Cell Respiration Flashcard Review 37 Where does the Krebs Cycle occur? 38 the three ways of measuring cellular ... All right reserved *SAT, AP and Advanced Placement Program are registered trademarks of the College Board, which was not involved in the production of, and does not endorse, this product
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