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Chapter 14 Lehninger

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    Metabolism
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  • During anaerobic exercise, the process of lactate formation in the muscle,
    Converts Pyruvate to Lactate
    All of these
    Replenishes NAD+ for use in glycolysis
    Does not form CO2
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  • Glycolysis is localized in what part of the cell?
    Endoplasmic reticulum
    Mitochondria
    Ribosomes
    Cytosol
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  • In the process of glycolysis, glucose is converted to
    Lactose
    Oxaloacetate
    Pyruvate
    Ethanol
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  • In step 7 of glycolysis, ATP is generated when a phosphate group is transferred directly from 1,3-diphosphoglycerate to ADP in a process known as
    Transamination
    Oxidative phosphorylation
    Substrate level phosphorylation
    Oxidation
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  • NAD+ (nicotinamide adenine dinucleotide) is the hydrogen acceptor when
    A reduction produces a C-C bond
    An oxidation produces a C=C bond
    A reduction produces a C=O bond
    An oxidation removes hydrogen to produce a C=O bond
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  • The coenzyme primarily involved in activating two carbon units (acetyl groups) is
    ATP
    NAD+
    Coenzyme A
    FAD
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  • The Cori Cycle
    Uses bloodstream to transport glucose from liver to muscle
    Uses bloodstream to transport lactate from muscles to liver
    All of these
    Utilizes glyconeogenesis in the liver
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  • The final products of catabolic reactions are:
    Glucose, lipids and glycogen
    RNA and DNA
    lipids, oxygen and water
    Carbon dioxide, water and ammonia
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  • The portion of Coenzyme A that reacts with potential substrates is
    a thiol group
    An alcohol group
    A C=O group
    an acid group
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  • The primary energy source for the brain is
    Glucose
    Amino acids
    Fructose
    Lactate
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  • When glucose is oxidized to two pyruvate molecules, the net number of ATP molecules produced by direct phosphate transfer is
    6
    4
    2
    8
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  • Under aerobic conditions, pyruvate produced in glycolysis can be converted to
    glyceraldehyde-3-phosphate.
    Acetyl coenzyme A
    lactic acid
    fructose-6-phosphate
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  • Which of the following is true for the glycolytic pathway?
    All reactions involve trioses
    All reactions are catalyzed by specific enzymes
    All reactions require ATP
    NO ATP is produced
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