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Glucose, although only the liver uses a different enzyme, called glucokinase which does the same thing.

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Q: What substrate is converted into glucose 6 phosphate by the enzyme hexokinase?
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Glucose to glucose 6-phosphate. Irreversible. Hexokinase/gluckokinase. Requires ATP and Mg2?

Glucose to glucose 6-phosphate. Irreversible. Hexokinase/gluckokinase. Requires ATP and Mg2+

The enzyme hexokinase catalyzes the first step of glycolysis, and is crucial to initiating the process and preventing the initial substrate from easily traveling out of the cell (as its pre-reaction structure is membrane permeable)?

Glucose, glucose-6-phosphate

Which enzyme in glycolysis is responsible for the conversion of glucose to glucose 6-phosphate?


What reaction does the enzyme hexokinase catalyze?

First step of glycolysis- the phosphorylation of glucose to glucose-6-phosphate.

Why Hexokinase phosphorylated the glucose at first step of glycolysis?

The first step in glycolysis is catalyzed by hexokinase, an enzyme with broad specificity that catalyzes the phosphorylation of six-carbon sugars. Hexokinase phosphorylates glucose using ATP as the source of the phosphate, producing glucose-6-phosphate, a more reactive form of glucose.

How is hexokinase regulated and why is it regulated?

Hexokinase is regulated by feedback inhibition of Glucose-6-Phosphate. Otherwise, you would make more glucose-6-phosphate than the cell can use at one time. you could also reduce phosphate concentrations needed for making ATP, and set up an osmotic gradient which could lead to swelling of the cells

Name one reaction were ATP is required?

The first reaction of glycolysis, where glucose is phosphorylated (a phosphate group is added) to give glucose - 6 - phosphate requires ATP. This reaction is catalyzed by the enzyme hexokinase

What is the substrate of phosphorylase?

The substrate is Glucose-1-phospate which is broken down by only Phosphorylase and produces Starch as its end product

Which has a higher affinity for glucose: hexokinase or glucokinase?


What is the first stage of glycolisis?

Glucose is converted into Glucose 6 phosphate. One ATP molecule is used.

What is used in glycolysis?

this is shamefully vague question. In glycolysis, glucose and (hexokinase, phosphogluco-mutase, aldolase, triose-phosphate isomerase, glyceraldehyde-phosphate dehydrogenase, phosphoglycerate-kinase, phosphoglycerate mutase, enolase and pyruvate kinase) enzymes are used.

Is glucose a product or substrate?