Textbook Question
_______ is a cyclic series of eight reactions involved in the catabolism of acetyl-CoA that yields eight molecules of NADH and two molecules of FADH2.
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Ch. 5 - Microbial Metabolism
Bauman6th EditionMicrobiology with Diseases by TaxonomyISBN: 9780134832302
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Table of contents
- Ch. 1 - A Brief History of Microbiology31
- Ch. 2 - The Chemistry of Microbiology28
- Ch. 3 - Cell Structure and Function39
- Ch. 4 - Microscopy, Staining, and Classification25
- Ch. 5 - Microbial Metabolism51
- Ch. 6 - Microbial Nutrition and Growth37
- Ch. 7 - Microbial Genetics51
- Ch. 8 - Recombinant DNA Technology21
- Ch. 9 - Controlling Microbial Growth in the Environment36
- Ch. 10 - Controlling Microbial Growth in the Body: Antimicrobial Drugs21
- Ch. 11 - Characterizing and Classifying Prokaryotes29
- Ch. 12 - Characterizing and Classifying Eukaryotes34
- Ch. 13 - Characterizing and Classifying Viruses, Viroids, and Prions23
- Ch. 14 - Infection, Infectious Diseases, and Epidemiology35
- Ch. 15 - Innate Immunity34
- Ch. 16 - Adaptive Immunity21
- Ch. 17 - Immunization and Immune Testing29
- Ch. 18 - Immune Disorders22
- Ch. 19 - Pathogenic Gram-Positive Bacteria25
- Ch. 20 - Pathogenic Gram-Negative Cocci and Bacilli28
- Ch. 21 - Rickettsias, Chlamydias, Spirochetes, and Vibrios25
- Ch. 22 - Pathogenic Fungi47
- Ch. 23 - Parasitic Protozoa, Helminths, and Arthropod Vectors44
- Ch. 24 - Pathogenic DNA Viruses23
- Ch. 25 - Pathogenic RNA Viruses30
- Ch. 26 - Applied and Industrial Microbiology29
- Ch. 27 - Microbial Ecology and Microbiomes22
Bauman6th EditionMicrobiology with Diseases by TaxonomyISBN: 9780134832302Not the one you use?Change textbook
Chapter 5, Problem 4
For the phrase given below, indicate the type of metabolism referred to, using the following choices:
a. Anabolism only
b. Both anabolism and catabolism (amphibolic)
c. Catabolism only
Is endergonic
Verified step by step guidance1
Understand the definitions of the metabolism types: Anabolism involves biosynthetic pathways that build complex molecules from simpler ones and generally require energy input (endergonic). Catabolism involves the breakdown of complex molecules into simpler ones, releasing energy (exergonic). Amphibolic pathways include both anabolic and catabolic processes.
Recall that an endergonic reaction requires an input of energy to proceed, meaning it absorbs energy rather than releasing it.
Since anabolism involves building molecules and requires energy input, it is typically endergonic.
Catabolism, on the other hand, releases energy and is exergonic, so it is not endergonic.
Therefore, when the phrase is 'Is endergonic,' the metabolism type referred to is 'anabolism only.'
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Endergonic Reactions
Endergonic reactions require an input of energy to proceed because they involve the synthesis of complex molecules from simpler ones. These reactions have a positive Gibbs free energy change and are typically associated with anabolic processes that build cellular components.
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Types of Chemical Reactions
Anabolism
Anabolism refers to the set of metabolic pathways that construct molecules from smaller units, consuming energy in the process. It is essential for cell growth and repair, involving biosynthesis of macromolecules like proteins, nucleic acids, and lipids.
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Catabolism
Catabolism involves the breakdown of complex molecules into simpler ones, releasing energy stored in chemical bonds. This energy is often captured in ATP and used to drive cellular activities, including anabolic reactions.
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Related Practice
Textbook Question
For the phrase given below, indicate the type of metabolism referred to, using the following choices:
a. Anabolism only
b. Both anabolism and catabolism (amphibolic)
c. Catabolism only
Is exergonic
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Textbook Question
Examine the biosynthetic pathway for the production of the amino acids tryptophan, tyrosine, and phenylalanine in the figure. Where do the initial reactants (erythrose 4-phosphate and PEP) originate?
Textbook Question
The initial catabolism of glucose occurs by glycolysis and/or the ________ and ________pathways.
Textbook Question
For the phrase given below, indicate the type of metabolism referred to, using the following choices:
a. Anabolism only
b. Both anabolism and catabolism (amphibolic)
c. Catabolism only
Involves the production of cell membrane constituents
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Textbook Question
How does a noncompetitive inhibitor at a single allosteric site affect a whole pathway of enzymatic reactions?
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