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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