BIOLOGY
5th Edition
ISBN: 9781265202859
Author: BROOKER
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Textbook Question
Chapter 7, Problem 4TY
Which organic molecule supplies a two-carbon group to start the citric acid cycle?
- a. ATP
- b. NADH
- c. acetyl CoA
- d. oxaloacetate
- e. both a and b
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The enzymes of the citric acid cycle are located in
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b.
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c.
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d.
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Starting with acetyl-CoA in the mitochondria, how many ATP molecules are needed to synthesize a 14 C fatty acid?
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3
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6
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9
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12
The oxidative phase of the pentose phosphate pathway produces which of the following (note - select all that apply)?
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Chapter 7 Solutions
BIOLOGY
Ch. 7.2 - Core Skill: Connections Look ahead to Table 45.1....Ch. 7.2 - Which organic molecules donate a phosphate group...Ch. 7.2 - Prob. 2CSCh. 7.4 - Prob. 1CCCh. 7.5 - Explain the meaning of the name cytochrome...Ch. 7.6 - Prob. 1CCCh. 7.6 - Prob. 1CSCh. 7.6 - Prob. 1EQCh. 7.6 - CoreSKILL In the experiment of Figure 7.13, what...Ch. 7.6 - Prob. 3EQ
Ch. 7.7 - Prob. 1CCCh. 7 - Which of the following pathways occurs in the...Ch. 7 - Prob. 2TYCh. 7 - Prob. 3TYCh. 7 - Which organic molecule supplies a two-carbon group...Ch. 7 - The ability to diagnose tumors using...Ch. 7 - Prob. 6TYCh. 7 - Certain drugs, which are called ionophores, cause...Ch. 7 - Prob. 8TYCh. 7 - Prob. 9TYCh. 7 - Prob. 10TYCh. 7 - Prob. 1CQCh. 7 - What causes the rotation of the subunit of ATP...Ch. 7 - Core Concept: Energy and Matter How is glucose...Ch. 7 - Discuss the advantages and disadvantages of...Ch. 7 - Prob. 2COQ
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- Which one of the following compounds cannot give rise to the net synthesis of Glucose? a. Lactate b. Alanine c. Glycerol d. Acetyl CoAarrow_forwardWhich intermediates of glycolysis are used to generate ATP by substrate-level phosphorylation? a. Fructose-1,6-bisphosphate b. Glyceraldehyde-3-phosphate c. 1,3-Bisphosphoglycerate d. 2-Phosphoglycerate e. Phosphoenolpyruvatearrow_forwardWhich of the following metabolic pathways is common in aerobic and anaerobic metabolism. a. the citric acid cycle b.glycolysis c.electron transport chain d. oxidative phosphorylationarrow_forward
- Which of the given metabolites is common in respiration mediated breakdown of fat and protein? a.Dihydroxyacetone phosphate b.Glyceraldehyde 3 phosphate c.Acetyl CoA d.Phosphoenol pyruvatearrow_forwardWhich of the following can undergo metabolic conversion to acetyl CoA and enter the citric acid cycle? A. Fatty acids B. All of the choices are correct. C. Protein D. Glucosearrow_forwardWhich of the following metabolic pathways do most (anaerobic and aerobic) life forms have? Select one: a. glycolysis b. oxidative phosphorylation as part of cellular respiration c. the Kreb's cycle (citric acid cycle) d. photosynthesisarrow_forward
- Which enzyme activity of the glycogen debranching enzyme is operating during the release of glucose units linked to glycogen branchpoints via o1,6 glycosidic linkage? a. transferase activity b. phosphorylase activity c. phosphatase activity d. glucosidase activityarrow_forwardWhen completely metabolized, a hexose molecule yields the energy of 36 ATP molecules. Which step of this chemical process yields the most ATP? A. Activation of glucose B. C. D. Phosphorylation of glyceraldehyde 3-phophate Oxidative decarboxylation of pyruvate Metabolism of the two C₂ fragments in common metabolic pathwayarrow_forwardBefore a fatty acid can undergo β-oxidation, it must be activated and then shuttled across the inner mitochondrial membrane. The activating agent and shuttle molecule are, respectively: A. CoA and carnitine B. CoA and citrate C. acetyl CoA and carnitine D. acetyl CoA and citratearrow_forward
- Which of the following molecules is an energy currency molecule required in fatty acid synthesis? a. NADH b. NAD+ c. NADPH d. NADP+arrow_forwardWhich of the following statements concerning the location of the metabolic pathways is correct? a. All reactions of the glycolysis take place in the mitochondria. b. All reactions of the TCA cycle take place in the mitochondria. c. Some reactions of the TCA cycle take place in the cytosol, and some in mitochondria. d. Some reactions of the glycolysis take place in the cytosol, and some in mitochondria.arrow_forwardThe aspartate–malate shuttle transfers electrons from cytoplasmic NADH to the electron transport system. Which of the following molecules is not directly involved in this pathway? a. malate b. oxaloacetate c. citrate d. α-ketoglutaratearrow_forward
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