Human Physiology: From Cells to Systems (MindTap Course List)
9th Edition
ISBN: 9781285866932
Author: Lauralee Sherwood
Publisher: Cengage Learning
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Chapter 2, Problem 1SQE
Summary Introduction
Introduction:
The citric acid cycle is also known as TCA cycle or Krebs cycle. It is one of the main stages of
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The enzymes of the citric acid cycle are located in
a.
Cytoplasm
b.
Endoplasmic reticulum
c.
Mitochondrial matrix
d.
Nucleus
Which of the following is the third step of Citric Acid Cycle?
Select one:
a.
Succinyl-CoA becomes Succinate and forms one ATP molecule and Coenzyme A-SH
b.
Pyruvate is decarboxylated to become acetyl-CoA producing NADH and Carbon dioxide
c.
Isocitrate and then decarboxylated and oxidized to produce alpha-ketoglutarate, Carbon dioxide and NADH
d.
alpha-ketoglutarate is oxidized and decarboxylated to produce Succinyl-CoA, Carbon dioxide and NADH
e.
Succinate is oxidized to become fumarate forming FADH2
f.
Oxaloacetate combines with the acetyl from acetyl-CoA to produce Citric acid(citrate)
g.
Citrate is rearranged to become Isocitrate
h.
Malate is oxidized to become oxaloacetate forming NADH
i.
Fumarate is combined with water to become Malate
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 reaction
Chapter 2 Solutions
Human Physiology: From Cells to Systems (MindTap Course List)
Ch. 2.1 - State the principles of the cell theory.Ch. 2.1 - Prob. 2CYUCh. 2.2 - State the functions of DNA and the different types...Ch. 2.2 - Prob. 2CYUCh. 2.2 - Prob. 3CYUCh. 2.3 - Prob. 1CYUCh. 2.3 - Discuss the structure and function of a ribosome.Ch. 2.3 - Prob. 3CYUCh. 2.3 - Prob. 4CYUCh. 2.4 - Describe the structure and functions of a Golgi...
Ch. 2.4 - Prob. 2CYUCh. 2.4 - Prob. 3CYUCh. 2.5 - Prob. 1CYUCh. 2.5 - Prob. 2CYUCh. 2.5 - Prob. 3CYUCh. 2.6 - Prob. 1CYUCh. 2.6 - Prob. 2CYUCh. 2.7 - Prob. 1CYUCh. 2.7 - Prob. 2CYUCh. 2.7 - Prob. 3CYUCh. 2.7 - Prob. 4CYUCh. 2.8 - Prob. 1CYUCh. 2.8 - Prob. 2CYUCh. 2.9 - Prob. 1CYUCh. 2.9 - Prob. 2CYUCh. 2.10 - List the three types of cytoskeletal elements and...Ch. 2.10 - Explain how motor proteins transport proteins...Ch. 2.10 - Prob. 3CYUCh. 2.10 - Prob. 4CYUCh. 2 - Prob. 1RECh. 2 - Prob. 2RECh. 2 - Prob. 3RECh. 2 - Prob. 4RECh. 2 - Prob. 5RECh. 2 - Prob. 6RECh. 2 - Prob. 7RECh. 2 - Prob. 8RECh. 2 - Prob. 9RECh. 2 - Using the answer code on the right, indicate which...Ch. 2 - Prob. 11RECh. 2 - Prob. 1UCCh. 2 - Prob. 2UCCh. 2 - Prob. 3UCCh. 2 - Compare exocytosis and endocytosis. Define...Ch. 2 - Prob. 5UCCh. 2 - Compare lysosomes with peroxisomes.Ch. 2 - Distinguish among cellular respiration, oxidative...Ch. 2 - Prob. 8UCCh. 2 - Prob. 9UCCh. 2 - Cells expend energy on what three categories of...Ch. 2 - Prob. 11UCCh. 2 - Prob. 1SQECh. 2 - Prob. 2SQECh. 2 - Prob. 3SQECh. 2 - Calculate the number of cells in the body of an...Ch. 2 - Prob. 5SQECh. 2 - Applying Clinical Reasoning Kevin S. and his wife...Ch. 2 - The stomach has two types of exocrine secretory...Ch. 2 - Prob. 2TAHLCh. 2 - Prob. 3TAHLCh. 2 - Why do you think a person is able to perform...Ch. 2 - Prob. 5TAHL
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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 timesarrow_forwardThe cholesterol synthesized by cells uses which component of the glycolytic pathway as a starting point? a. glucose b. acetyl CoA c. pyruvate d. carbon dioxidearrow_forwardThe citric acid cycle occurs in the : a. Cytosol b. Mitochondrial matrix c. Inner membrane of the mitochondria d. Nucleusarrow_forward
- Which of the following is the second step of Citric Acid Cycle? Select one: a. Isocitrate and then decarboxylated and oxidized to produce alpha-ketoglutarate, Carbon dioxide and NADH b. Succinyl-CoA becomes Succinate and forms one ATP molecule and Coenzyme A-SH c. alpha-ketoglutarate is oxidized and decarboxylated to produce Succinyl-CoA, Carbon dioxide and NADH d. Malate is oxidized to become oxaloacetate forming NADH e. Fumarate is combined with water to become Malate f. Citrate is rearranged to become Isocitrate g. Pyruvate is decarboxylated to become acetyl-CoA producing NADH and Carbon dioxide h. Oxaloacetate combines with the acetyl from acetyl-CoA to produce Citric acid(citrate) i. Succinate is oxidized to become fumarate forming FADH2arrow_forwardWhat do the following pathways provide for fatty acid synthesis? A. Citric acid cycle B. Pentose phosphate pathway C. Glycolysis D. Oxidative Phosphorylation. Single line text. give answer in 2-3 linesarrow_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
- Which citric acid cycle intermediate can move from the mitochondria into the cytoplasm to become the activator of fatty acid synthesis? Select one: a. Succinyl-CoA b. Fumarate c. Citrate d. Malatearrow_forwardWhich of these is not true of the citric acid cycle?a. The citric acid cycle includes the prep reaction.b. The citric acid cycle produces ATP by substrate-level ATPsynthesis.c. The citric acid cycle occurs in the mitochondria.d. The citric acid cycle produces two ATP per glucose molecule.arrow_forwardThe glycolytic pathway occurs in the and most of the citric acid cycle takes place in the cell membrane, cytosol A. B. Cytosol, cytosol c. cytosol, mitochondrion D. Cytosol, mitochondrial membrane mitochondrial membrane, cytosol E.arrow_forward
- Which of the following is the sixth step of Citric Acid Cycle? Select one: a. Succinate is oxidized to become fumarate forming FADH2 b. alpha-ketoglutarate is oxidized and decarboxylated to produce Succinyl-CoA, Carbon dioxide and NADH c. Isocitrate and then decarboxylated and oxidized to produce alpha-ketoglutarate, Carbon dioxide and NADH d. Oxaloacetate combines with the acetyl from acetyl-CoA to produce Citric acid(citrate) e. Malate is oxidized to become oxaloacetate forming NADH f. Fumarate is combined with water to become Malate g. Citrate is rearranged to become Isocitrate h. Pyruvate is decarboxylated to become acetyl-CoA producing NADH and Carbon dioxide i. Succinyl-CoA becomes Succinate and forms one ATP molecule and Coenzyme A-SHarrow_forwardidentify 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_forwardWhich 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. Oxaloacetatearrow_forward
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