Chemistry for Today: General, Orga...

9th Edition
Spencer L. Seager + 2 others
Publisher: Cengage Learning
ISBN: 9781305960060



Chemistry for Today: General, Orga...

9th Edition
Spencer L. Seager + 2 others
Publisher: Cengage Learning
ISBN: 9781305960060
Chapter 24, Problem 24.14E
Textbook Problem

How is the fatty acid prepared for catabolism? Where in the cell does fatty acid activation take place?

Interpretation Introduction


The method for the preparation of fatty acid for catabolism is to be stated and the location in the cell where fatty acid activation takes place is to be identified.

Concept introduction:

The β-oxidation is a pathway in which fatty acids are broken down into molecules of acyl CoA. Fatty acids that enter tissue cells cannot be oxidized to produce energy until they pass through the mitochondrial membrane. This cannot occur until the fatty acid is converted into fatty acyl CoA by reaction with coenzyme A.

Explanation of Solution

The fatty acid reacts with the coenzyme A to form fatty acyl CoA. This reaction is catalyzed by acyl CoA synthetase and it takes place in the cytoplasm of the cell. The energy needed for the synthesis comes from the hydrolysis of ATP

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Chapter 24 Solutions

Chemistry for Today: General, Organic, and Biochemistry
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Ch. 24 - At what point does glycerol enter the glycolysis...Ch. 24 - Describe the two fates of glycerol after it has...Ch. 24 - Where in the cell does fatty acid catabolism take...Ch. 24 - How is the fatty acid prepared for catabolism?...Ch. 24 - Why is the oxidation of fatty acids referred to as...Ch. 24 - What hydrogen-transporting coenzymes play...Ch. 24 - Label the - and -positions in the following acids:...Ch. 24 - Write an equation for the activation of palmitic...Ch. 24 - Write formulas for the products that result when...Ch. 24 - Why is the oxidation of fatty acids referred to as...Ch. 24 - How many molecules of acetyl CoA are produced in...Ch. 24 - Complete the following equations for one turn of...Ch. 24 - Outline the four reactions that occur in the fatty...Ch. 24 - Determine the ATP yield per molecule of acetyl CoA...Ch. 24 - What is the energy cost in ATP molecules to...Ch. 24 - Calculate the number of ATP molecules that can be...Ch. 24 - Compare the energy available in ATP molecules from...Ch. 24 - List the three substances known as ketone bodies.Ch. 24 - Explain how excessive ketone bodies may form in...Ch. 24 - Where are ketone bodies formed? What tissues...Ch. 24 - Differentiate between a ketonemia, b ketonuria, c...Ch. 24 - Why is ketosis frequently accompanied by acidosis?Ch. 24 - Where within a liver cell does fatty acid...Ch. 24 - What substance supplies the carbons for fatty acid...Ch. 24 - What substances furnish the energy for fatty acid...Ch. 24 - Why can the liver convert glucose to fatty acids...Ch. 24 - List three vital functions served by amino acids...Ch. 24 - What name is given to the cellular supply of amino...Ch. 24 - What are the sources of amino acids in the pool?Ch. 24 - What term is used to denote the breakdown and...Ch. 24 - What percentage of amino acids is used to...Ch. 24 - Name four important biomolecules other than...Ch. 24 - Compare the half-life of plasma proteins with the...Ch. 24 - Match the terms transamination and deamination to...Ch. 24 - Complete the following transamination reaction and...Ch. 24 - Write an equation to illustrate transamination...Ch. 24 - Complete the following oxidative deamination...Ch. 24 - Write an equation to illustrate the oxidative...Ch. 24 - By writing two reactions, the first a...Ch. 24 - In what organ of the body is urea synthesized?Ch. 24 - What are the sources of the carbon atom and two...Ch. 24 - Name the compound that enters the urea cycle by...Ch. 24 - How much energy in number of ATP molecules is...Ch. 24 - Write a summary equation of the formation of urea.Ch. 24 - Differentiate between glucogenic and ketogenic...Ch. 24 - Is any amino acid both glucogenic and ketogenic?Ch. 24 - Identify the five locations at which the carbon...Ch. 24 - Based on the following conversions, classify each...Ch. 24 - What special role is played by glucogenic amino...Ch. 24 - Differentiate between essential and nonessential...Ch. 24 - What essential amino acid makes tyrosine...Ch. 24 - List two vital functions performed by...Ch. 24 - What amino acids are synthesized from glutamate?Ch. 24 - List two general sources of intermediates for the...Ch. 24 - Trace glycerol metabolism after it enters the...Ch. 24 - A change in the concentration of enzymes that...Ch. 24 - A ketone body has a molecular weight of 58.1g/mol...Ch. 24 - A 7.48-mg sample of a blood lipid was found to...Ch. 24 - The following reaction proceeded in an aqueous...Ch. 24 - Cellular reactions for the biosynthesis and...Ch. 24 - Why do you think the half-lives of enzymes are...Ch. 24 - Why do you think the half-life of collagen is...Ch. 24 - How might HDL levels suggest a partial explanation...Ch. 24 - A student calculates the net yield of ATP...Ch. 24 - If researchers discovered a method of reducing...Ch. 24 - Could there be a connection between high sugar...Ch. 24 - Which of the following processes must occur before...Ch. 24 - When in excess, which element is eliminated from...Ch. 24 - What substances are produced by the digestion of...Ch. 24 - What is the name for amino acids that cannot be...Ch. 24 - The clinic nurse is evaluating a man wearing a...

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