Which of the following statements is TRUE about fatty acid biosynthesis? Group of answer choices: NADH is used as the reducing equivalent in the process. Malonyl ACP is the donor of the acetyl group. The product detaches from the fatty acid synthase complex when the chain length is usually 18 carbons. Oxaloacetate carries acetyl CoA to the cytosol.

Which of the following statements is TRUE about fatty acid biosynthesis? Group of answer choices: NADH is used as the reducing equivalent in the process. Malonyl ACP is the donor of the acetyl group. The product detaches from the fatty acid synthase complex when the chain length is usually 18 carbons. Oxaloacetate carries acetyl CoA to the cytosol.

Biochemistry

6th Edition

ISBN:9781305577206

Author:Reginald H. Garrett, Charles M. Grisham

Publisher:Reginald H. Garrett, Charles M. Grisham

Chapter17: Metabolism: An Overview

Section: Chapter Questions

Problem 12P: How Do Vitamin-Derived Coenzymes Aid Metabolism? What chemical functionality is provided to enzyme...

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How Do Vitamin-Derived Coenzymes Aid Metabolism? What chemical functionality is provided to enzyme reactions by pyridoxal phosphate (we Chapter 13)? By coenzyme A (see Chapter I9)? By vitamin B12 (see Chapter 23)? By thiamine pyrophosphate (see Chapter 19)?
Which of the following is NOT TRUE about fatty acid biosynthesis? A. 8 NADPH is used to produce palmitate. B. The growing fatty acid chain is elongated by the sequential addition of two-carbon units. C. The process is repeated 7 times to produce palmitate. D. The process occurs in the cytosol.
All of the following classes of enzymes catalyze the Fatty acid synthesis except a. synthetase b. Synthase c. Carboxylase d. Dehydrgen
Which of the following enzyme components of fatty acid synthase has/have a thiol group? A. ketoacyl-ACP reductase B. ketoacyl-ACP synthase C. enoyl- ACP reductase D. acyl carrier protein
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What is the final reaction in the final round of fatty acid synthase? Acetyl-CoA ACP Transacylase Beta-Ketoacyl- ACP Synthase Beta-Ketoacyl- ACP Dehydrase Palmitoyl thioesterase Malonyl-CoA ACP Transacylase Enoyl-ACP Reductase
Which of the following is the chemical end product of fatty-acids metabolized in the beta-oxidation pathway? Select one: a. Beta-carotine b. Free-radicals c. Lactic acid d. Acetyl-CoA e. Pyruvate
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Which of the following is the correct account for acetyl CoA, NADH , and FADH2 for the beta-oxidation of stearic acid (saturated fatty acid with 18 carbon atoms)? -9;8;5 -9;8;8 -18;9;9 -18;18;18 -9;9;9
All of the following are accurate contrasts for beta oxidation vs fatty acid synthesis except which of the following statements? Group of answer choices The hydroxylacyl group differs in stereochemistry between beta oxidation and biosynthesis CoA is the acyl carrier group in beta oxidation, acyl carrier protein is the carrier in biosynthesis The carbon unit resulting from beta oxidation is acetyl-CoA, the carbon unit for biosynthesis is malonyl-CoA FAD is an electron acceptor in beta oxidation, NADP+ is the electron acceptor in biosynthesis
Fatty acid synthesis is largely the reverse of beta oxidation, yet there are some distinct differences. From the statements below, which of the following is inaccurateconcerning fatty acid metabolism? Both processes use mobile electron carriers Both beta oxidation and fatty acid synthase use a carrier group The first step in fatty acid degradation pathway and biosynthetic pathway are regulated C2 unit of acetyl moiety is used in both fatty acid degradation and fatty acid biosynthesis Both processes occur in a unique, specific location (Compartmentalization)
Which of the following metabolite negatively regulates pyruvate kinase? Select one: a. Fructose-1,6-Bisphosphate b. Acetyl CoA C. Alanine d. Citrate