The name of the enzyme that catalyses the conversion of glucose to glucose-6-phosphate at the beginning of glycolysis is
a
phospho-fructokinase
b
glucose isomerase
c
hexokinase
d
glucose-6-kinase
Explanation
Correct Option
cNo explanation available
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Goody0708
3 months ago
Explanation
Hexokinase is the enzyme responsible for the first step of glycolysis. It catalyzes the phosphorylation of glucose, transferring a phosphate group from ATP to the sixth carbon of the glucose molecule to form glucose-6-phosphate. This reaction is essentially irreversible under physiological conditions and serves to trap glucose inside the cell, as glucose-6-phosphate cannot cross the cell membrane.
