NUCLEIC ACIDS QUIZ

In aerobic respiration, the compound that enters a mitochondrion is

phosphoglyceraldehyde

oxaloacetate

pyruvate

acetyl CoA

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is not a significant biological oxidizing agent?

NAD+

FAD

O2

Fe3+

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is not a feature of oxidative phosphorylation?

An electrochemical gradient across the inner mitochondrial membrane

Direct transfer of phosphate from a substrate molecule to ADP

A membrane bound ATP synthase

A protonmotive force

TRUE ANSWER : ?
YOUR ANSWER : ?

A biological redox reaction always involves

a gain of electrons

an oxidizing agent

a reducing agent

all of these

TRUE ANSWER : ?
YOUR ANSWER : ?

How many CO2 molecules are exhaled for each O2 molecule utilized in cellular respiration?

12

6

3

1

TRUE ANSWER : ?
YOUR ANSWER : ?

The carbon dioxide is primary a product of

Krebs cycle

lactate fermentation.

glycolysis

electron transport phosphorylation.

TRUE ANSWER : ?
YOUR ANSWER : ?

FAD is reduced to FADH2 during

glycolysis

electron transport phosphorylation

Krebs cycle

lactate fermentation

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is correct sequence of processes in the oxidation of glucose?

Electron transport - Krebs cycle - glycolysis

Krebs cycle - glycolysis - electron transport

Glycolysis - Krebs cycle - eletron transport

Krebs cycle - electron transport - glycolysis

TRUE ANSWER : ?
YOUR ANSWER : ?

The aerobic breakdown of glucose known as respiration involves

glycolysis

all of the above

electron transport phosphorylation

Krebs Cycle

TRUE ANSWER : ?
YOUR ANSWER : ?

In electron transport, electrons ultimately pass to

oxygen

cytochrome b

none of these

ADP

TRUE ANSWER : ?
YOUR ANSWER : ?

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