match the following enzymes with their corresponding regulation mechanisms. Gluc

Question

match the following enzymes with their corresponding regulation mechanisms.

Glucokinase

Proteolytic activation: This enzyme cleaves itself into three peptides once it encounters the stomach acid in the small intestine.

Chymotrypsin

Covalent modification: Adrenaline leads to the phosphorylation of this enzyme and activates it.

Glycogen phosphorylase

Allosteric regulation: This enzyme is inhibited by the binding of its own end product – CTP. ATP, on the other hand, prevents such inhibition.

Adenylyl Cyclase

Activator protein: This enzyme is activated by the binding of G-protein, a membrane protein activated by various hormones, including adrenaline.

Aspartate Transcarbamoylase (ATCase)

Nuclear sequestration: This enzyme is usually sequestered in the hepatic nuclei until sugar is available.

match the following enzymes with their corresponding regulation mechanisms.

Question Selected Match

Glucokinase

A.

Proteolytic activation: This enzyme cleaves itself into three peptides once it encounters the stomach acid in the small intestine.

Chymotrypsin

D.

Covalent modification: Adrenaline leads to the phosphorylation of this enzyme and activates it.

Glycogen phosphorylase

E.

Allosteric regulation: This enzyme is inhibited by the binding of its own end product – CTP. ATP, on the other hand, prevents such inhibition.

Adenylyl Cyclase

C.

Activator protein: This enzyme is activated by the binding of G-protein, a membrane protein activated by various hormones, including adrenaline.

Aspartate Transcarbamoylase (ATCase)

B.

Nuclear sequestration: This enzyme is usually sequestered in the hepatic nuclei until sugar is available.

Explanation / Answer

Glucokinase-
Nuclear sequestration: This enzyme is usually sequestered in the hepatic nuclei until sugar is available.

Chymotrypsin-
Proteolytic activation: This enzyme cleaves itself into three peptides once it encounters the stomach acid in the small intestine.

Glycogen phosphorylase-
Covalent modification: Adrenaline leads to the phosphorylation of this enzyme and activates it.

Adenylyl Cyclase-
Activator protein: This enzyme is activated by the binding of G-protein, a membrane protein activated by various hormones, including adrenaline.

Aspartate Transcarbamoylase (ATCase)-
Allosteric regulation: This enzyme is inhibited by the binding of its own end product – CTP. ATP, on the other hand, prevents such inhibition.

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