When a yeast is producing wine, which of the following is not produced

1.  Pyruvic acid

2.  Ethanol

3.  CO2

4.  Acetyl CoA

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4
Correct Answer :

Acetyl CoA


Explanation :
No Explanation available for this question

In the conversion of pyruvic acid to acetyl CoA, pyruvic acid is:

1.  Oxidized

2.  Reduced

3.  Broken into one carbon fragment

4.  Isomerized

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4
Correct Answer :

Reduced


Explanation :
No Explanation available for this question

Function of coenzyme A is to:

1.  Isomerizes pyruvic acid

2.  Isomerize NAD

3.  Activate acetyl group

4.  Facilitate oxidative ohosphorylation

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4
Correct Answer :

Activate acetyl group


Explanation :
No Explanation available for this question

How many carbon atoms are in an oxaloacetic acid molecule, which joins with an acetyl group during step I if the Kerbs’ citric acid cycle

1.  6

2.  4

3.  3

4.  2

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4
Correct Answer :

4


Explanation :
No Explanation available for this question

At the end of the Kerbs’ citric acid cycle, most of the energy removed from glucose molecule has been transferred to:

1.  Citric acid

2.  oxaloacetic acid

3.  ATP

4.  NADH2 and FADH2

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4
Correct Answer :

oxaloacetic acid


Explanation :
No Explanation available for this question

In ETS, the final acceptor of protons is:

1.  Cyt.b

2.  Cyt.a3

3.  Oxygen

4.  Ubiquinone

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4
Correct Answer :

Oxygen


Explanation :
No Explanation available for this question

The atom within each cytochrome molecule that actually accepts and releases electrons is:

1.  Carbon

2.  Iron

3.  Zinc

4.  Oxygen

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4
Correct Answer :

Iron


Explanation :
No Explanation available for this question

Oxygen which forms part of the ETS, enters the mitochondrion as an atom in:

1.  Glucose

2.  Pyruvic acid

3.  CO2

4.  Oxygen gas

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4
Correct Answer :

Oxygen gas


Explanation :
No Explanation available for this question

Fatty acids enter cellular respiration as:

1.  One carbon fragment

2.  Two carbon fragments

3.  Long chains of 16-20 carbon atoms

4.  Three carbon fragments

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4
Correct Answer :

Two carbon fragments


Explanation :
No Explanation available for this question

Within the mitochondrion, the photon gradient develops across the:

1.  Inner membrane

2.  Outer membrane

3.  Inter membrane space

4.  Matrix

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4
Correct Answer :

Inter membrane space


Explanation :
No Explanation available for this question
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