ATP SYNTHESIS AND FATTY ACID OXIDATION QUIZ

Where the acyl-CoA formed in the cytosol is transported for oxidation?

Mitochondrial matrix

Endoplasmic reticulum

Microsomes

Remains in cytosol

TRUE ANSWER : ?
YOUR ANSWER : ?

Long-chain fatty acids are oxidized step-wise in one carbon units starting from the

none of these

both (a) and (b)

aliphatic end

carboxyl end

TRUE ANSWER : ?
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The oxidation of methanol (wood alcohol) in human retina tissue leads directly to the formation of

formaldehyde

CO2

sugars

none of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Each cycle of β-oxidation produces

1 FADH2, 1 NADH and 2 CO2 molecules

1 FAD, 1 NAD+ and 2 CO2 molecules

1 FADH2, 1 NAD+, and 1 acetyl-CoA

1 FADH2, 1 NADH and 1 acetyl-CoA

TRUE ANSWER : ?
YOUR ANSWER : ?

How many molecules of acetyl-CoA are produced in oxidation of palmitic acid (C16), which involves seven rounds of oxidation?

9

8

6

7

TRUE ANSWER : ?
YOUR ANSWER : ?

The oxidation of methanol (wood alcohol) in human retina tissue indirectly leads to

colour blindness

blindness

all of these

pressure builds up

TRUE ANSWER : ?
YOUR ANSWER : ?

The three identical b subunits of the F1, complex during ATP synthesis have

different affinities for ATP but not for ADP

different affinities for ATP and for ADP

similar affinities for ADP and ATP

different affinities for ADP but not for ATP

TRUE ANSWER : ?
YOUR ANSWER : ?

The transport of acyl-CoA for oxidation using a shuttle involves formation of the intermediate

3 acetyl-CoA

acyl-carnitine

None of these

Acyl-coenzyme A

TRUE ANSWER : ?
YOUR ANSWER : ?

Membrane potential and the proton gradient

reinforce one another when respiratory inhibitors are present

are sufficient, separately, to make ATP from ADP + Pi;

cancel one another when uncouplers are present

are both required to make ATP

TRUE ANSWER : ?
YOUR ANSWER : ?

The maximum energy per gram on oxidization is yielded from

starch

glycogen

protein

fat

TRUE ANSWER : ?
YOUR ANSWER : ?

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