BIOCHEM CHAPTER 15 EXAM15
Glucose is converted to ______ in skeletal muscle under anaerobic conditions.
Entry field with CORRECT ANSWER
lactate
acetyaldehyde
fructose
glycogen
acetyl-CoA - CORRECT ANSWER-actate
Aerobic glycolysis produces a net yield of ______ ATP.
Entry field with CORRECT ANSWER
1
2
3
4
more than 4 - CORRECT ANSWER-2
Which of the following enzymes catalyzes the transfer of a phosphoryl group from ATP
to glucose?
Entry field with CORRECT ANSWER
hexokinase
phosphoglucose isomerase
glucose-6-phosphatase
phosphoglucose mutase
A transfer such as this does not occur in glycolysis. - CORRECT ANSWER-hexokinase
The enzymes that catalyze glycolysis are located in the
Entry field with CORRECT ANSWER
endoplasmic reticulum.
mitochondrial matrix.
cytosol.
inner mitochondrial membrane.
outer mitochondrial membrane. - CORRECT ANSWER-cytosol.
, The enzyme _____forms a Schiff base upon formation of the enzyme-substrate
complex allowing aspartate mediated cleavage of the substrate.
Entry field with CORRECT ANSWER
hexokinase
phosphoglucose isomerase
glucose-6-phosphatase
phosphoglucose mutase
aldolase - CORRECT ANSWER-aldolase
In alcoholic fermentation, acetaldehyde is produced by
Entry field with CORRECT ANSWER
the decarboxylation of pyruvate.
the carboxylation of pyruvate.
the decarboxylation of lactate.
the carboxylation of lactate.
none of the above - CORRECT ANSWER-the decarboxylation of pyruvate.
Glycolytic synthesis of ATP occurs via
Entry field with CORRECT ANSWER
oxidation.
reduction.
substrate-level phosphorylation.
oxidative phosphorylation.
photophosphorylation. - CORRECT ANSWER-substrate-level phosphorylation
Experimental evidence indicates that glyceraldehyde-3-phosphate dehydrogenase
contains a critical ______ residue in its active site, as shown by its inactivation by
iodoacetamide.
Entry field with CORRECT ANSWER
alanine
aspartate
cysteine
methionine
lysine - CORRECT ANSWER-cysteine
Which is the net equation for aerobic glycolysis?
Glucose is converted to ______ in skeletal muscle under anaerobic conditions.
Entry field with CORRECT ANSWER
lactate
acetyaldehyde
fructose
glycogen
acetyl-CoA - CORRECT ANSWER-actate
Aerobic glycolysis produces a net yield of ______ ATP.
Entry field with CORRECT ANSWER
1
2
3
4
more than 4 - CORRECT ANSWER-2
Which of the following enzymes catalyzes the transfer of a phosphoryl group from ATP
to glucose?
Entry field with CORRECT ANSWER
hexokinase
phosphoglucose isomerase
glucose-6-phosphatase
phosphoglucose mutase
A transfer such as this does not occur in glycolysis. - CORRECT ANSWER-hexokinase
The enzymes that catalyze glycolysis are located in the
Entry field with CORRECT ANSWER
endoplasmic reticulum.
mitochondrial matrix.
cytosol.
inner mitochondrial membrane.
outer mitochondrial membrane. - CORRECT ANSWER-cytosol.
, The enzyme _____forms a Schiff base upon formation of the enzyme-substrate
complex allowing aspartate mediated cleavage of the substrate.
Entry field with CORRECT ANSWER
hexokinase
phosphoglucose isomerase
glucose-6-phosphatase
phosphoglucose mutase
aldolase - CORRECT ANSWER-aldolase
In alcoholic fermentation, acetaldehyde is produced by
Entry field with CORRECT ANSWER
the decarboxylation of pyruvate.
the carboxylation of pyruvate.
the decarboxylation of lactate.
the carboxylation of lactate.
none of the above - CORRECT ANSWER-the decarboxylation of pyruvate.
Glycolytic synthesis of ATP occurs via
Entry field with CORRECT ANSWER
oxidation.
reduction.
substrate-level phosphorylation.
oxidative phosphorylation.
photophosphorylation. - CORRECT ANSWER-substrate-level phosphorylation
Experimental evidence indicates that glyceraldehyde-3-phosphate dehydrogenase
contains a critical ______ residue in its active site, as shown by its inactivation by
iodoacetamide.
Entry field with CORRECT ANSWER
alanine
aspartate
cysteine
methionine
lysine - CORRECT ANSWER-cysteine
Which is the net equation for aerobic glycolysis?
