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QUESTION 1 Which of the following is the correct order of the three stages of ce

ID: 161763 • Letter: Q

Question

QUESTION 1

Which of the following is the correct order of the three stages of cellular respiration?

Krebs cycle, glycolysis, electron transport

electron transport, glycolysis, Krebs cycle

Krebs cycle, electron transport, glycolysis

glycolysis, Krebs cycle, electron transport

electron transport, Krebs cycle, glycolysis

1 points   

QUESTION 2

Consider a bacterial cell that performs anaerobic respiration. If that bacterial cell had access to six molecules of glucose to use, how many ATP molecules would it be able to produce?

2

34

36

6

12

1 points   

QUESTION 3

The oxygen that organisms need to live is used exclusively in which of the following metabolic pathways?

Electron transport chain

Anaerobic respiration

Glycolysis

Krebs cycle

ATP-Synthase

1 points   

QUESTION 4

The electron transport chain uses the energy in NADH and FADH2 to pump H+ ions from the matrix to the innermembrane space. The H+ gradient is then used to power ATP-Synthase. Enough H+ is pumped from the energy in a molecule of NADH to produce ______ ATP molecules, while enough H+ is pumped from the energy in a FADH2 molecule to produce ______ ATP molecules.

three; two

three; three

two; two

two; three

1 points   

QUESTION 5

Which of the following list contains only products of cellular respiration?

glucose, oxygen, ADP

ATP, carbon dioxide

oxygen, ADP, carbon dioxide

ATP, glucose, oxygen

glucose, ATP

1 points   

QUESTION 6

What powers the enzyme ATP-Synthase?

NADH molecules

oxygen (O2)

ATP

NADH and FADH2 molecules

The H+ gradient between the matrix and inner-membrane space

1 points   

QUESTION 7

Organisms exist which are able to survive using only glycolysis (i.e. without using oxidative phosphorylation).

True

False

1 points   

QUESTION 8

Each ADP molecule contains ________ phosphates, and each ATP molecule contains ________ phosphates.

three; three

two; two

one; two

two; three

one; three

1 points   

QUESTION 9

Adding a phosphate group to ADP to form ATP is an endergonic reaction.

True

False

1 points   

QUESTION 10

The majority of ATP produced during cellular respiration is produced during glycolysis.

True

False

1 points   

QUESTION 11

Glycolysis occurs:

on enzymes located in the inner-membrane.

in the cytosol.

in the inner-membrane space.

in the nucleus of the cell.

in the matrix of mitochondria.

1 points   

QUESTION 12

Muscle soreness associated with strenuous exercise is due to:

the production of alcohol during anaerobic respiration.

a buildup of lactic acid.

an excessive amount of ATP that builds up during exercise.

the large amounts of CO2 building up in the muscle.

1 points   

QUESTION 13

A required reactant for glycolysis is:

the electron transport chain.

carbon dioxide.

oxygen.

NAD+.

mitochondria.

1 points   

QUESTION 14

NADH is produced in all of the following except:

the electron transport chain.

the Krebs cycle.

glycolysis.

a.

Krebs cycle, glycolysis, electron transport

b.

electron transport, glycolysis, Krebs cycle

c.

Krebs cycle, electron transport, glycolysis

d.

glycolysis, Krebs cycle, electron transport

e.

electron transport, Krebs cycle, glycolysis

Explanation / Answer

Q1. d.   glycolysis, Krebs cycle, electron transport

Q2. e.12

During anerobic respiration glucose is converted to ethanol or lactic acid with just 2 ATP per glucose molecule. For 6 glucose, 6x2=12 ATPs

Q3. a.   Electron transport chain

Oxygen is the terminal acceptor of electrons in respiration

Q4. a.   three; two

Q5.b.   ATP, carbon dioxide

Q6. e.   The H+ gradient between the matrix and inner-membrane space

Q7. a True

Q8. d. two; three

Q9. True

ADP---->ATP is an energy consuming endergonic reaction.

Q10. False

Majority of the ATPs are generated during Citric acid cycle

Q11. b in the cytosol

Q12. b. a buildup of lactic acid.

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