Phosphorylation of glucose during glycolysis is catalysed by

Updated On: Jul 6, 2022

phosphoglucomutase
phosphoglucoisomerase
hexokinase
phosphorylase

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The Correct Option is C

Solution and Explanation

During glycolysis, glucose is phosphorylated to glucose-$6$-phosphate by $ATP$ in the presence of enzyme hexokinase or glucokinase and $Mg^{2+}$ as follows : Glucose $ {+ ATP ->[\text{Hexokinase}][Mg^{2+}] }$ Glucose-$6$-phosphate $+ ADP$

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Notes on Oxidative phosphorylation

Oxidative Phosphorylation Biology

Concepts Used:

Oxidative Phosphorylation

Oxidative phosphorylation is the final step in cellular respiration. It occurs in the mitochondria. It is linked to a process known as electron transport chain. The electron transport system is located in the inner mitochondrial membrane. The electrons are transferred from one member of the transport chain to another through a series of redox reactions.

Oxidative Phosphorylation Steps:

The major steps of oxidative phosphorylation in mitochondria include:

Delivery of Electrons by NADH and FADH2
Electron Transport and Proton Pumping
Splitting of Oxygen to form Water
ATP Synthesis

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