Which of the following statements concerning the glyoxylate cycle is false?a. In the glyoxylate cycle, acetyl-CoA reacts with glyoxylate to produce malateb. It bypasses part of the TCA cycle by converting isocitrate to glyoxylate and succinate.c. It usually occurs in the mitochondriad. It allows the organisms that possess this cycle to produce carbohydrates from fats.e. two molecules of acetyl-CoA can be converted to one molecule of oxaloacetate

Introduction - The glyoxylate cycle=Occurs in plants and some invertebrates and…

Answered: Which of the following statements…

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter4: How Cells Obtain Energy

Section: Chapter Questions

Problem 9RQ: What do the electrons added to NAD do? a. They become part of a fermentation pathway. b. They go to...

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What do the electrons added to NAD do? a. They become part of a fermentation pathway. b. They go to another pathway for ATP production. c. They energize the entry of the acetyl group into the citric acid cycle. d. They are converted into NADP.
Which of the following statements are TRUE?Multiple answers are accepted for this question a .Two molecules of CO2 are produced each time a molecule of Acetyl-CoA is oxidized. b. During the first turn of the TCA Cycle the carbon atoms of Acetyl-CoA become CO2. c. The number of molecules of ATP that can be produced in the Citric Acid Cycle by substrate level phosphorylation of ADP from two molecules of Acetyl-CoA is 30. d. Fumarate contains a trans double bond. The cis isomer of Fumarate is Maleate which cannot serve as carbon source for a cell. e. Lack of O2 would decrease the rate of the Citric Acid Cycle in red blood cells. f. If a potent inhibitor of Succinyl-CoA Synthetaseis is applied to liver cells both energy production and synthesis of carbohydrate would be affected. g. The overall chemical changes that occur during one complete turn of the Citric Acid Cycle is the complete oxidation of one molecule of Acetyl-CoA plus the production of two molecules of CO2 plus the…
Which 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.
When one acetyl CoA is processed through the citric acid cycle, how many times does each of the following events occur? a. A FAD molecule is a reactant. b. A CoA-SH molecule is produced. c. A dehydrogenase enzyme is needed for the reaction to occur. d. A C5 molecule is produced.
What are the three names for the metabolic cycle that occurs in the matrix of the mitochondria? This pathway receives acetyl-CoA, combines it to other metabolites, steals its available electrons, and releases carbon in its most oxidized form.
Which of the following statements is NOT true about Krebs Cycle? a. Krebs cycle is composed of 8-step enzymatic reactions. b. For every CO2 released in the cycle, NADH is produced. c. Succinyl-CoA allows the phosphorylation of GDP (Guanosine Diphosphate) d. The carbon atoms from the glucose that enters the cycle are released from the mitochondrion immediately.
Which of the following is incorrect about the fifth step (conversion of succinyl-CoA, GDP, and Pi to succinate and GTP) of the citric acid cycle? a. GTP is made because succinyl-CoA is a thioester b. It is not regulated c. It involves a "substrate level" phosphorylation of GDP d. It is irreversible
The citric acid cycle is a critical sequence of reactions for energy production, which take place in the matrix of the mitochondria. The reaction cycle requires materials from the cytosol to be converted into acetyl CoA, which represents the starting point of a new cycle. Which of the following statements about acetyl CoA is true? (a) Acetyl CoA is recycled at the end of every cycle. (b) Oxaloacetate is attached to acetyl CoA to feed the citric acid cycle. (c) Triacylglycerol molecules are transported into the mitochondrial matrix and cleaved by lipases to produce acetyl CoA. (d) Oxaloacetate is converted directly into acetyl CoA to feed the citric acid cycle
The Krebs cycle occurs in the Select one: a. cytoplasm, as the compound acetyl CoA enters. b. mitochondria, as the compound pyruvate (C3) enters. c. mitochondria, as the compound acetyl CoA enters. d. cytoplasm, as the compound pyruvate (C3) enters.
Which 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 phosphorylation
Each cycle of beta (β)-oxidation produces a. 1 FADH2, 1 NADH, and 2 CO2 molecules b. 1 FADH2, 1 NAD+, and 1 acetyl-CoA. c. 1 FADH2, 1 NADH, and 1 acetyl-CoA d. 1 FAD, 1 NADH, and 1 acetyl-CoA.
In the TCA cycle, which of the following combines with Acetyl CoA to form a 6 carbon compound? answer choices A.) Pyruvate B.) Glucose C.) Oxaloacetate D.) Thiamine

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