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Chapter 14 Lehninger
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Which of the following is true for the glycolytic pathway?
 
All reactions are catalyzed by specific enzymes
 
NO ATP is produced
 
All reactions involve trioses
 
All reactions require ATP
Under aerobic conditions, pyruvate produced in glycolysis can be converted to
 
Acetyl coenzyme A
 
glyceraldehyde-3-phosphate.
 
lactic acid
 
fructose-6-phosphate
When glucose is oxidized to two pyruvate molecules, the net number of ATP molecules produced by direct phosphate transfer is
 
4
 
2
 
6
 
8
The primary energy source for the brain is
 
Glucose
 
Lactate
 
Amino acids
 
Fructose
The portion of Coenzyme A that reacts with potential substrates is
 
a thiol group
 
an acid group
 
A C=O group
 
An alcohol group
The final products of catabolic reactions are:
 
Carbon dioxide, water and ammonia
 
lipids, oxygen and water
 
RNA and DNA
 
Glucose, lipids and glycogen
The Cori Cycle
 
All of these
 
Uses bloodstream to transport glucose from liver to muscle
 
Utilizes glyconeogenesis in the liver
 
Uses bloodstream to transport lactate from muscles to liver
The coenzyme primarily involved in activating two carbon units (acetyl groups) is
 
Coenzyme A
 
NAD+
 
FAD
 
ATP
NAD+ (nicotinamide adenine dinucleotide) is the hydrogen acceptor when
 
An oxidation removes hydrogen to produce a C=O bond
 
A reduction produces a C-C bond
 
An oxidation produces a C=C bond
 
A reduction produces a C=O bond
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
 
Substrate level phosphorylation
 
Oxidation
 
Transamination
 
Oxidative phosphorylation
In the process of glycolysis, glucose is converted to
 
Pyruvate
 
Oxaloacetate
 
Lactose
 
Ethanol
Glycolysis is localized in what part of the cell?
 
Cytosol
 
Ribosomes
 
Mitochondria
 
Endoplasmic reticulum
During anaerobic exercise, the process of lactate formation in the muscle,
 
All of these
 
Replenishes NAD+ for use in glycolysis
 
Does not form CO2
 
Converts Pyruvate to Lactate
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