33. Which accompanies that formation of fumarate:a. ATPb. GTPC. NADHd. FADH2

The TCA or tricarboxylic acid cycle, occurs in the mitochondria of eukaryotic cells and in the…

Answered: 33. Which accompanies that formation of…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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The Citric Acid Cycle is up-regulated when: A. ATP supply is high B. ATP supply is low NADH supply is high C. D. Both A and C E. Both B and C
24. If sufficient ATP is found in a cell, glycolysis will a. increase production of glucose b. increase production of pyruvate c. decrease production of pyruvate d. decrease production of ADP
1. Glucose transported into the muscle is quickly trapped inside the muscle via phosphorylation. In this process, to which compound is glucose converted? 2. Which enzyme phosphorylates a phosphorylated fructose? 3. Lack of sufficient cytosolic NAD+ causes which glycolytic enzyme, and thus the glycolytic pathway, to stop functioning?
Brown adipose tissue... A. Has a rich blood supply and many mitochondria B. Is used for heat generation in bats, shrews and other small mammals C. Expresses the protein thermogenin, which "short-circuits" the proton gradient used to drive ATP synthase D. Is typically located between the shoulder blades E. All of the above
50. What else is made that is essential for genetic information from glycolysis? A. Nucleotides B. RNA C. RNA Polymerase D. DNA Polymerase
6. One cycle of the citric acid cycle produces two. molecules from one acetyl CoA group a. GTP O b. NADH c. FADH 2 d. CO 2
8. Which of the following ion transport functions must be carried out by a pump? a. transport of Na+ from the extracellular space to the cytosol b. transport of glucose from the extracellular space to the cytosol c. transport of K+ from the cytosol to the extracellular space d. transport of Na+ from the cytosol to the nucleus e. transport of Na+ from the cytosol to the extracellular space.
9. Which of the following statements is/are correct for the shown reaction? A CHg-c-s-col + CO - C-CH₂-C-S-COA A. The reaction occurs in the mitochondria B. The small molecule in box a is GTP C. The reaction is a committed step for fatty acid catabolism D. The reaction requires biotin E. None of the above
10. Which of the following processes involve release of carbon dioxide? (1) B-oxidation (2) Citric acid cycle (3) Activation of acetyl CoA to form malonyl CoA (4) Pentose phosphate pathway A. (1) and (2) only B. (1) and (3) only C. (2) and (4) only D. (1), (3) and (4) only E. (1), (2), (3) and (4)
1. Why is the chemical logic behind the phosphorylation of glucose by hexokinase? a. So that we end the preparatory phase with 2 3-carbon compounds. b. to provide a substrate for phosphohexose isomerase. c. "Locks" Glucose in the cell. d. to decrease the ΔG of the next reaction. 2. What type of reaction does glyceraldehyde-3-phosphate dehydrogenase catalyze? a. isomerization b. group transfer c. oxidation d. dehydration
The ultimate acceptor of electrons in the nadh electron transport chain is a. H+ b. ATP c. O2 d. NADH
1. Myasthenia Gravis is a disease in which the patients have a deficiency of ACh receptors in their skeletal muscles, The result is a weakening of muscle function, How and why would the administartion of an acetylcholinesterase inhibitor (AChEl) improve muscle function in these patients? 2. List and describe the distinctly functions of ATP during muscle contractions.

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33. Which accompanies that formation of fumarate: a. ATP b. GTP C. NADH d. FADH2