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pantera1 [17]
3 years ago
6

Glucokinase and hexokinase in glycolysis

Biology
1 answer:
Delicious77 [7]3 years ago
8 0
<h2>Answer:</h2>

Glucokinase or Hexokinase is a enzyme used at the first step of glycolysis.

<h2>Explanation:</h2>
  • Glucokinase is a Isoenzyme(enzymes which differs in the sequence of amino acids but catalyses the same reaction) of Hexokinase .
  • Glucokinase (hexokinase D) is present only in liver and pancreas whereas hexokinase is present in all cells.
  • In first step of glycolysis i.e formation of glucose-6-phosphate from glucose is completed with the help of hexokinase. In this step a ATP molecule is consumed i.e ATP is converted to ADP

Result: Glucokinase and hexokinase are used in the first step of glycolysis.

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