Which stages of aerobic respiration take place in matrix of mitochondria
i) Oxidative decarboxylation of pyruvic acid
ii) Glycolysis
iii) Krebs cycle
iv) Oxidative phosphorylation

i and ii only

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ii and iii only

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iii and iv only

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i and iii only

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i and iv only

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Solution

The correct option is D i and iii only
After the process of glycolysis that occurs in cytoplasm, pyruvic acid thus formed enters mitochondria where it undergoes oxidative decarboxylation in the link reaction. Krebs' cycle also occurs in mitochondrial matrix.
So the answer is 'i and iii only'.

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Similar questions

Q. Oxidative decarboxylation of pyruvic acid results in the formation of
I. Acetyl Co-A
II.

C O_{2}

III. ATP
IV.

N A D H + H^{+}

Select the correct answer using the codes given below

Q. Match column I with column II and select the correct option from the given codes.

Sr.no	Column I	Sr.no	Column II
A.	TCA cycle	(i)	Inner mitochondrial membrane
B.	$F_{0} - F_{1}$ particles	(ii)	Hans Krebs
C.	End product of glycolysis	(iii)	Oxidative decarboxylation
D.	Pyruvate dehydrogenase	(iv)	Pyruvic acid

Which of the following statements are correct ?
(i) pyruvate can be converted into ethanol and carbon dioxide by yeast
(ii) fermentation takes place in the case of aerobic bacteria
(iii) fermentation takes place in mitochondria
(iv) fermentation is a form of anaerobic respiration
(a) (i) and (iii)
(b) (ii) and (iv)
(c) (i) and (iv)
(d) (ii) and (iii)

Question 32
Which of the following statement(s) is (are) correct?

(i) Pyruvate can be converted into ethanol and carbon dioxide by yeast
(ii) Fermentation takes place in aerobic bacteria
(iii) Fermentation takes place in mitochondria
(iv) Fermentation is a form of anaerobic respiration

(a) (i) and (iii)
(b) (ii) and (iv)
(c) (i) and (iv)
(d) (ii) and (iii)

Q. In mitochondria during aerobic respiration how many times oxidative decarboxylation takes place from one molecule of acetyl CoA?

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Which stages of aerobic respiration take place in matrix of mitochondriai) Oxidative decarboxylation of pyruvic acidii) Glycolysisiii) Krebs cycleiv) Oxidative phosphorylation

The correct option is D i and iii onlyAfter the process of glycolysis that occurs in cytoplasm, pyruvic acid thus formed enters mitochondria where it undergoes oxidative decarboxylation in the link reaction. Krebs' cycle also occurs in mitochondrial matrix.So the answer is 'i and iii only'.

Which stages of aerobic respiration take place in matrix of mitochondria
i) Oxidative decarboxylation of pyruvic acid
ii) Glycolysis
iii) Krebs cycle
iv) Oxidative phosphorylation

The correct option is D i and iii only
After the process of glycolysis that occurs in cytoplasm, pyruvic acid thus formed enters mitochondria where it undergoes oxidative decarboxylation in the link reaction. Krebs' cycle also occurs in mitochondrial matrix.
So the answer is 'i and iii only'.