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1) The end product of glycolysis in the cytoplasm is pyruvate. Under aerobic conditions, it makes its way into the matrix of the mitochondrion where the reactions of the Krebs Cycle take place. 2) Krebs Cycle as a source of chemical intermediates and metabolites, can be used to synthesize (or further metabolize) carbohydrates, amino acids and lipids. Only the second statement is correct Neither statements are correct Both statements are correct QUESTION 18 Kreb's Cycle Steps: 1) The Krebs cycle begins with the combination of the acetyl group of acetyl-CoA from the Krebs cycle preparation with the four-carbon compound oxaloacetate to form the six-carbon citric acid compound.

1) The end product of glycolysis in the cytoplasm is pyruvate. Under aerobic conditions, it makes its way into the matrix of the mitochondrion where the reactions of the Krebs Cycle take place. 2) Krebs Cycle as a source of chemical intermediates and metabolites, can be used to synthesize (or further metabolize) carbohydrates, amino acids and lipids. Only the second statement is correct Neither statements are correct Both statements are correct QUESTION 18 Kreb's Cycle Steps: 1) The Krebs cycle begins with the combination of the acetyl group of acetyl-CoA from the Krebs cycle preparation with the four-carbon compound oxaloacetate to form the six-carbon citric acid compound.

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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CHOOSE THE CORRECT ANSWERS IN THE FOLLOWING QUESTIONS
QUESTION 16 1) The end product of glycolysis in the cytoplasm is pyruvate. Under aerobic conditions, it makes its way into the matrix of the mitochondrion where the reactions of the Krebs Cycle take place. 2) Krebs Cycle as a source of chemical intermediates and metabolites, can be used to synthesize (or further metabolize) carbohydrates, amino acids and lipids. Only the second statement is correct Neither statements are correct Both statements are correct QUESTION 18 Kreb's Cycle Steps: 1) The Krebs cycle begins with the combination of the acetyl group of acetyl-CoA from the Krebs cycle preparation with the four-carbon compound oxaloacetate to form the six-carbon citric acid compound. 2) Then the citrate is oxidized along the cycle by different reactions catalyzed by enzymes producing several intermediate molecules. During the cycle, 2 additional CO2 molecules, 2 ATP, 3 NADH, and 1 FADH2 molecule are formed per pyruvate molecule. 3) In the end of the cycle, oxaloacetate is regenerated to return as an acetyl acceptor to re-start the cycle. Only one choice is correct in manner All three choices are correct in manner Two choices are in correct manner
Transcribed Image Text:QUESTION 16 1) The end product of glycolysis in the cytoplasm is pyruvate. Under aerobic conditions, it makes its way into the matrix of the mitochondrion where the reactions of the Krebs Cycle take place. 2) Krebs Cycle as a source of chemical intermediates and metabolites, can be used to synthesize (or further metabolize) carbohydrates, amino acids and lipids. Only the second statement is correct Neither statements are correct Both statements are correct QUESTION 18 Kreb's Cycle Steps: 1) The Krebs cycle begins with the combination of the acetyl group of acetyl-CoA from the Krebs cycle preparation with the four-carbon compound oxaloacetate to form the six-carbon citric acid compound. 2) Then the citrate is oxidized along the cycle by different reactions catalyzed by enzymes producing several intermediate molecules. During the cycle, 2 additional CO2 molecules, 2 ATP, 3 NADH, and 1 FADH2 molecule are formed per pyruvate molecule. 3) In the end of the cycle, oxaloacetate is regenerated to return as an acetyl acceptor to re-start the cycle. Only one choice is correct in manner All three choices are correct in manner Two choices are in correct manner
QUESTION 19 1) The energy released through the oxidation of NADH and FADH2 by Complex I and II enables the formation of an electrochemical proton gradient across the outer mitochondrial membrane. 2) Complex IV also contributes to this electrochemical gradient. This electrochemical gradient is utilized by ATP synthase to produce ATP via chemiosmosis. Only the second statement is correct Neither statements are correct Only the first statement is correct QUESTION 20 1) The light reactions happens in the stroma while dark reactions in the thylakoids 2) In Calvin Cycle, there is a formation of sugar from oxygen using ATP and NADPH Both statements are correct Only the first statement is correct Neither statements are correct
Transcribed Image Text:QUESTION 19 1) The energy released through the oxidation of NADH and FADH2 by Complex I and II enables the formation of an electrochemical proton gradient across the outer mitochondrial membrane. 2) Complex IV also contributes to this electrochemical gradient. This electrochemical gradient is utilized by ATP synthase to produce ATP via chemiosmosis. Only the second statement is correct Neither statements are correct Only the first statement is correct QUESTION 20 1) The light reactions happens in the stroma while dark reactions in the thylakoids 2) In Calvin Cycle, there is a formation of sugar from oxygen using ATP and NADPH Both statements are correct Only the first statement is correct Neither statements are correct
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