Fructose 6-phosphate is changed to fructose 1,6-diphosphate by

Phosphoglycerate

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Phosphatase

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Phosphofructokinase

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Enolase

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Solution

The correct option is A Phosphofructokinase
One of the steps in cellular respiration is glycolysis which oxidises glucose to pyruvic acid. After fructose-6-phosphate is formed in glycolysis, it is converted to fructose -1,6- biphosphate in presence of phosphofructo-kinase. It is a phosphorylation reaction which uses up 1 ATP.
So, the correct answer is 'Phosphofructokinase'.

Suggest Corrections

List-I (Enzyme)	List-II( Conversions)
a. Phosphogluco isomerase	$1$ . Fructose $\to$ Glucose
b. Triose phosphate isomerase	$2$ . Glucose $\to$ Glucose- $6$ -Phosphate
c. Fructose diphosphate aldolase	$3$ . Glucose- $6$ -phosphate $\to$ Fructose- $6$ -phosphate
d. Hexokinase	$4$ . Glyceraldehydes- $3$ -phosphate $\to$ Dihydroxy acetone phosphate
	$5$ . Fructose- $1$ , $6$ -diphosphate $\to$ Glyceraldehydes- $3$ -phosphate