DATA WAREHOUSING QUIZ

How many molecules of carbon dioxide will be given off during ten turns of the Krebs cycle?

40

20

10

30

TRUE ANSWER : ?
YOUR ANSWER : ?

The amount of ATP produced by a cell from glucose when metabolizing it by fermentation means is

exactly or approximately equal to by aerobic metabolism

greater than by aerobic metabolism

none of these

lesser than by aerobic metabolism

TRUE ANSWER : ?
YOUR ANSWER : ?

In lactic acid fermentation, the final electron acceptor would be

glucose

fructose

pyruvate

acetyl-CoA

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following best explains about the usefulness of the production of ethanol in yeast cells under anaerobic conditions?

Ethanol keeps the electron transport system functioning

The process generates oxygen, which is required for glycolysis

The process regenerates NAD+, which is required for glycolysis

Yeast would be unable to activate the enzymes of the Krebs cycle without ethanol

TRUE ANSWER : ?
YOUR ANSWER : ?

Before most molecules can enter the Krebs citric acid cycle, they must be converted to

oxaloacetic acid

NADH or FADH

acetyl-CoA

citric acid

TRUE ANSWER : ?
YOUR ANSWER : ?

Most bacterial fermentations yield how many net ATP molecules per molecule of glucose?

4

6

2

1

TRUE ANSWER : ?
YOUR ANSWER : ?

Suppose a eukaryotic cell had a mutation that prevented the production of cytochrome c. As a result of this mutation, which of the following processes would not occur?

Cellular respiration

Mitosis

Cell wall synthesis

Photosynthesis

TRUE ANSWER : ?
YOUR ANSWER : ?

The enzymes for glycolysis are located

on the outer membrane of the chloroplast

on the inner surface of the cell membrane

in the cytoplasm

on the inner membrane of the mitochondrion

TRUE ANSWER : ?
YOUR ANSWER : ?

The amount of energy (cal/mole) in an ATP molecule produced by a cell from glucose by fermentation is

exactly or approximately equal to aerobic metabolism

None of these

greater than aerobic metabolism

less than aerobic metabolism

TRUE ANSWER : ?
YOUR ANSWER : ?

In cellular metabolism, O2 is used

in glycolysis

in the Krebs cycle

as a terminal electron acceptor

to provide electrons for photophosphorylation

TRUE ANSWER : ?
YOUR ANSWER : ?