TCA CYCLE QUIZ

Which one of the following is not the intermediate of Kreb's cycle?

Succinate

Isocitrate

Stearate

Fumarate

TRUE ANSWER : ?
YOUR ANSWER : ?

To stop ATP synthesis which chemical is generally used?

None of the chemical can stop ATP synthesis

2,4 dinitrophenol

DNSA

DDT

TRUE ANSWER : ?
YOUR ANSWER : ?

Important function of cholesterol is to

modulate fluidity

prevent bile salts formation

None of these

enhance blood circulation

TRUE ANSWER : ?
YOUR ANSWER : ?

During cellular respiration, most of the ATP made, is generated by

photophosphorylation

glycolysis

substrate-level phosphorylation

oxidative phosphorylation

TRUE ANSWER : ?
YOUR ANSWER : ?

Oxidation of a molecule involves

gain of electron

loss of electron

loss of proton

gain of proton

TRUE ANSWER : ?
YOUR ANSWER : ?

Why is the TCA cycle the central pathway of metabolism of the cell?

Its intermediates are commonly used by other metabolic reactions

All other metabolic pathways depend upon it

None of the above

It occurs in the center of the cell

TRUE ANSWER : ?
YOUR ANSWER : ?

Energy that is released from glucose during respiration but not transferred to ATP bonds can be detected as

heat

CO2

ADP

AMP

TRUE ANSWER : ?
YOUR ANSWER : ?

Most of the enzymes of the citric acid cycle in a eukaryotic cell are located in the

cytosol

mitochondrial matrix

inner mitochondrial membrane

intermembrane space

TRUE ANSWER : ?
YOUR ANSWER : ?

In eukaryotes, electron transport occurs in

cytoplasm

endoplasmic reticulum

All of these

membranes and mitochondria

TRUE ANSWER : ?
YOUR ANSWER : ?

How many molecules of ATPs are synthesized per NADH oxidation?

4

2

3

1

TRUE ANSWER : ?
YOUR ANSWER : ?

↑