BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Textbook Question
Chapter 7, Problem 7SA
After the citric acid cycle reactions run _________, one six-carbon glucose molecule has been completely broken down to
| a. once | b. twice | c. six times | d. twelve times |
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After the citric acid cycle reactions run________ , one six-carbon glucose molecule has been completely broken down to CO2. a. once b. twice c. six times d. twelve times
Which of the following citric acid cycle intermediates is decarboxylated during the operation of the cycle?
A. More than one correct response
B. No correct response
C. Isocitrate
D. Succinate
E. Oxaloacetate
The ATP produce in the citric acid cycle is by substrate-level phosphorylation. *
A. True
B. False
Chapter 7 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
Ch. 7 - Is the following statement true or false? Unlike...Ch. 7 - Glycolysis starts and ends in the ________. a....Ch. 7 - Which of the following pathways requires molecular...Ch. 7 - Which molecule does not form during glycolysis? a....Ch. 7 - In eukaryotes, the final reactions of aerobic...Ch. 7 - Prob. 6SACh. 7 - After the citric acid cycle reactions run...Ch. 7 - Prob. 8SACh. 7 - Prob. 9SACh. 7 - Prob. 10SA
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- _______ is an amino acid that can be directly converted into a citric acid cycle intermediate by being exposed to TWO consecutive deamination reactions (removal of an amine group). a. threonine b. glutamate c. glutamine d. tyrosine e. prolinearrow_forwardThe citric acid cycle produces _____ ATP molecule(s) per glucose molecule:a. 1b. 2c. 4d. 16arrow_forwardWhich of the following statements is true about the citric acid cycle a. The Citric Acid Cycle is an 8-step cycle that produces the most electron carrier molecules throughout the process of cellular respiration. b. In Citric Acid Cycle, both the acetyl group and coenzyme A of Acetyl CoA are combined to oxaloacetate. c. In Citric Acid Cycle, glucose is only partially broken down and there are still remnants of glucose after this process. d. The ATP produced during this process is via oxidative phosphorylationarrow_forward
- identify the reactions of the citric acid cycle that provide reducing power for the electron-transport chain a. conversion of succinyl-CoA to succinate b. conversion of fumarate to malate c. conversion of succinate to fumarate d. conversion of malate to oxaloacetatearrow_forward1. Answer the following questions: a. A substance produced from pyruvate that is a precursor in the citric acid cycle and in the formation of glucose is? a. ketoglutarate b. oxaloacetate c. lactate d. malate e. fumarate b. In the early fasting stage, glucose for the brain and red blood cells are supplied by reserves. C. phosphorylation produces 2 ATP, phosphorylation produces a lot of ATParrow_forwardThe citric acid cycle occurs in the : a. Cytosol b. Mitochondrial matrix c. Inner membrane of the mitochondria d. Nucleusarrow_forward
- The enzymes of the citric acid cycle are located in a. Cytoplasm b. Endoplasmic reticulum c. Mitochondrial matrix d. Nucleusarrow_forwardThe conversion of citrate to isocitrate is catalyzed by an enzyme classified as a(n): a. Hydrolase b. Oxidoreductase OC. Isomerase Od. Transferasearrow_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_forward
- Fatty acids are catabolized by a process called beta-oxidation. One of the products of beta- oxidation is acetyl CoA. Given this information, the products of beta-oxidation will most likely be incorporated into which stage of cellular respiration? A the citric acid cycle B C D glycolysis oxidative phosphorylation the link reactionarrow_forwardWhich of the following reactions will complete the breakdown of glucose? A. glycolysis B. beta-oxidation C. citric acid cycle D. OP with ETCarrow_forwardThe first product formed during glycogenolysis (glycogen degradation at alpha 1,4 glycosidic bonds) is: a. Glucose 6 Phosphate b. UDP-glucose c. Glucose 1 phosphate d. Glucose e. Glucose 1,6 bisphosphatearrow_forward
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