Loose Leaf For Integrated Principles Of Zoology
18th Edition
ISBN: 9781260411140
Author: Cleveland P Hickman Jr. Emeritus, Susan L. Keen, David J Eisenhour Professor PhD, Allan Larson, Helen I'Anson Associate Professor of Biology
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 4, Problem 12RQ
Why is acetyl-CoA considered a “strategic intermediate” in respiration?
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Chapter 4 Solutions
Loose Leaf For Integrated Principles Of Zoology
Ch. 4 - State the first and second laws of thermodynamics....Ch. 4 - Explain what is meant by free energy in a system....Ch. 4 - Many biochemical reactions proceed slowly unless...Ch. 4 - What happens in the formation of an...Ch. 4 - Explain three ways that enzymes may be regulated...Ch. 4 - What is meant by a high-energy bond, and why might...Ch. 4 - Although ATP supplies energy to an endergonic...Ch. 4 - What is an oxidation-reduction reaction and why...Ch. 4 - Give an example of a final electron acceptor found...Ch. 4 - Why must glucose be primed with a high energy...
Ch. 4 - What happens to the electrons removed during the...Ch. 4 - Why is acetyl-CoA considered a strategic...Ch. 4 - Why are oxygen molecules important in oxidative...Ch. 4 - Explain how animals can generate ATP without...Ch. 4 - Why are animal fats sometimes called the king of...Ch. 4 - The breakdown of amino acids yields two products:...Ch. 4 - Explain the relationship between the amount of...Ch. 4 - Prob. 1FFT
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- What one carbon waste product of cellular respiration is formed as the 3 carbon product of glycolysis enters the mitochondria and becomes a 2 carbon Acetyl CoA?arrow_forwardcoo- 21 CH2 316 НО-С-СОО- HOC COO- 4 CH2 | 5, °coo-arrow_forwardHow many molecules of ATP are obtained from the β-oxidation of one molecule of a 16-carbon saturated fatty acyl-CoA?arrow_forward
- Why are compounds such as glyceraldehyde- 3-phosphate, pyruvate, and acetyl-CoA so important in metabolism?arrow_forwardwhat is the inhibitor of Acetyl-CoA carboxylase? is it the ATP or not?arrow_forwardWhat is the final fate of the carbons in acetyl-CoA after several turns of the citric acid cycle?arrow_forward
- How many cycles of "citric acid cycle" are necessary to reveal the "C" that come from acetyl-CoA that take place in the first cycle known as "CO2"?arrow_forwardTo which class does each enzyme belong? Explain hexokinase alanine aminotransferase alcohol dehydrogenase pyruvate decarboxylasearrow_forwardThe citrate cycle is a metabolic engine generating [ Select: "carbon monoxide", "NAD, FAD and GDP", "carbon dioxide, NADH, FADH, and GTP"] from the fuel [ Select : "triglycerides", "acetyl-CoA"]. It is considered a cycle since all components must be maintained beginning with the addition of the two carbons from acetyl-CoA to form [ Select ] ["succinate", "citrate"] from [ Select ]["fumarate", "oxaloacetate"]. The citrate cycle depends on the presence of oxygen since [ Select ]["oxygen is directly required in the citrate cycle", "oxygen is required for NADH and FADH2 oxidation, and their accumulation in the absence of electron transport results in feedback inhibition of the citrate cycle"] .arrow_forward
- 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 cyclearrow_forwardWhy is the citric acid cycle the most efficient way to oxidise Acetyl CoA?arrow_forwardWhat type of molecule is CoA? What molecule does it get added to during respiration? What is its function?arrow_forward
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