Which of the following enzymes catalyzes the transfer of a phosphoryl group from ATP to glucose?
glucose-6-phosphatase
Hexokinase
phosphoglucose mutase
phosphoglucose isomerase
The products of glycolysis include: ATP, NADH, and ______.
Pyruvate
The enzyme _____ is the major control point for glycolysis in muscle.
Phosphofructokinase
Which of the following serves as the free energy source for the metabolic conversion of oxaloacetate to phosphoenolpyruvate, which is catalyzed by PEP carboxykinase?
hydrolysis of ATP
hydrolysis of PPi
hydrolysis of GTP
hydrolysis of an internal phosphoanhydride bond
NADPH used in lipid biosynthesis is produced by the ______ pathway
Pentose Phosphate
The biotin prosthetic group of pyruvate carboxylase is covalently attached to a ______ residue of the enzyme?
Arginine
Aspartate
Lysine
Valine
What is the net energetic cost of converting two pyruvate to one glucose by gluconeogenesis in ATP equivalents (Count GTP's as ATP's)?
2
4
8
6
The enzymes that catalyze glycolysis are located in
endoplasmic reticulum
endoplasmic reticulum
cytosol.
mitochondrial matrix.
Glycolytic synthesis of ATP occurs via
oxidation
substrate-level phosphorylation.
reduction
photophosphorylation
The enzyme _____forms a Schiff base upon formation of the enzyme-substrate complex allowing aspartate mediated cleavage of the substrate.
hexokinase
Aldolase
phosphoglucose mutase
glucose-6-phosphatase
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