ATP SYNTHESIS AND FATTY ACID OXIDATION QUIZ

Membrane potential and the proton gradient

cancel one another when uncouplers are present

reinforce one another when respiratory inhibitors are present

are both required to make ATP

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

TRUE ANSWER : ?
YOUR ANSWER : ?

Each cycle of β-oxidation produces

1 FADH2, 1 NADH and 1 acetyl-CoA

1 FADH2, 1 NADH and 2 CO2 molecules

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

1 FAD, 1 NAD+ and 2 CO2 molecules

TRUE ANSWER : ?
YOUR ANSWER : ?

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

none of these

formaldehyde

sugars

CO2

TRUE ANSWER : ?
YOUR ANSWER : ?

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

carboxyl end

none of these

both (a) and (b)

aliphatic end

TRUE ANSWER : ?
YOUR ANSWER : ?

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

None of these

acyl-carnitine

Acyl-coenzyme A

3 acetyl-CoA

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Microsomes

Mitochondrial matrix

Remains in cytosol

Endoplasmic reticulum

TRUE ANSWER : ?
YOUR ANSWER : ?

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

8

9

7

6

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 maximum energy per gram on oxidization is yielded from

protein

fat

starch

glycogen

TRUE ANSWER : ?
YOUR ANSWER : ?

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

different affinities for ADP but not for ATP

similar affinities for ADP and ATP

different affinities for ATP and for ADP

different affinities for ATP but not for ADP

TRUE ANSWER : ?
YOUR ANSWER : ?

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