Pyruvate dehydrogenase is the enzyme that converts -Glucose to pyruvate Pyruvate to acetyl CoA Pyruvic acid into lactic acidPyruvate to glucose

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Standard XII

Biology

Oxidation of Pyruvate

Pyruvate dehy...

Question

Pyruvate dehydrogenase is the enzyme that converts __________.

Glucose to pyruvate

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Pyruvic acid into lactic acid

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Pyruvate to acetyl CoA

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Pyruvate to glucose

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Solution

The correct option is C Pyruvate to acetyl CoA
$P y r u v a t e p y r u v a t e d e h y d r o g e n a s e - ------------- \to A c e t y l C o A$
Pyruvate dehydrogenase is the enzyme that catalyzes the oxidation of pyruvate, by decarboxylating it to release carbon dioxide and it adds a coenzyme molecule to synthesize acetyl-CoA.

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The correct sequence of anaerobic reactions in yeast is

(a) $G l u c o s e c y t o p l a s m - ----- \to P y r u v a t e m i t o c h o n d r i a - ------- \to E t h a n o l + C a r b o n d i o x i d e$
(b) $G l u c o s e c y t o p l a s m - ----- \to P y r u v a t e c y t o p l a s m - ----- \to L a c t i c a c i d$
(c) $G l u c o s e c y t o p l a s m - ----- \to P y r u v a t e m i t o c h o n d r i a - ------- \to L a c t i c a c i d$
(d) $G l u c o s e c y t o p l a s m - ----- \to P y r u v a t e c y t o p l a s m - ----- \to E t h a n o l + C a r b o n d i o x i d e$

Q. Oxidation of pyruvate to acetyl coA is catalysed by the enzyme pyruvate .

Q. Pyruvate dehydrogenase complex needed for conversion of pyruvic acid to acetyl CoA is located in

What converts pyruvate to acetyl-CoA?

Question 33
Lack of oxygen in muscles often leads to cramps among cricketers. This happens due to

(a) Conversion of pyruvate to ethanol
(b) Conversion of pyruvate to glucose
(c) Non-conversion of glucose to pyruvate
(d) Conversion of pyruvate to lactic acid

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