What do ATP and NADH have in common? Group of answer choices They both are oxidized during glycolysis They both are necessary for cells to extract and use energy from the chemical bonds of food molecules. They both carry electrons throughout cellular respiration The both receive phosphate groups from other molecules during cellular respiration
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- ATP (adenosine triphosphate) is the energy currency; it stores and provides energy for cellular processes. - NADH (nicotinamide adenine dinucleotide, reduced form) is an electron carrier that donates electrons to the electron transport chain to help generate Show more…
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Electrons are donated to the electron transport chain by Group of answer choices FADH2 and NADH. ATP and NAD+. ATP and NADH. NAD+ and ATP. 2. During glycolysis, glucose is reduced and becomes pyruvate while NAD+ is oxidized and becomes NADH. Group of answer choices reduced; oxidized hydrolyzed; denatured oxidized; reduced denatured; hydrolyzed 3. When muscles are exercised extensively in the absence of sufficient oxygen, Group of answer choices cellular respiration ceases. a large amount of ATP is formed. NADH molecules split. lactic acid is produced. 4. Beta-oxidation is a four-step process that converts fatty acids into acetyl CoA molecules that can be oxidized in the Krebs pathway. glucose; Krebs Cycle acetyl CoA; Krebs Cycle amino acids; glycolysis pyruvate; glycolysis 5. How many total NADH are produced during the Krebs cycle? (include totals for both pyruvates, starting with the preparatory phase) 4 8 2 10 6. In cellular respiration, a two-carbon molecule combines with a four-carbon molecule to form citric acid as part of the Krebs cycle. pyruvate oxidation. glycolysis. the Krebs cycle. the electron transport chain. 7. The name of the process that takes place when organic compounds are broken down in the cytoplasm in the absence of oxygen is fermentation. respiration. oxidation. reduction. 8. Acetyl coenzyme A (acetyl CoA): is formed during the pyruvate processing. can be used in synthesis of needed molecules. all of these choices are correct. enters the Krebs cycle. 9. When living cells break down organic molecules, energy is released as heat. stored as ATP and ADP. stored as ADP and released as light. stored as ADP. stored as ATP and released as heat. stored as ATP. 10. When glycolysis occurs some ATP is produced. a molecule of glucose is split. all of these choices are correct. two molecules of pyruvate are made.
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What is the function of NADPH, NADH, and FADH2 in photosynthesis and respiration? Group of answer choices They transport high-energy electrons to an electron transport chain. They oxidize various intermediates in cellular respiration and photosynthesis. They release energy required for glycolysis to proceed. They are used by cells as a source of chemical energy when ATP is unavailable.
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What happens to the electrons carried by NADH and FADH2 in the citric acid cycle during cellular respiration? They are used to reduce molecular oxygen to water in the electron transport chain. They are used to oxidize pyruvate to acetyl-CoA. They are used to convert glucose to pyruvate in glycolysis. They are used to drive the phosphorylation of ADP to ATP.
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