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Biochem Module 8 Exam Questions and Correct
Answers | Latest Update
T/F: The majority of the reactions of the urea cycle occur in the cytosol.
Ans: true
T/F: The majority of the reactions of the urea cycle occur in the
mitochondrial matrix. Ans: false
T/F: FADH2 yields 2.5 ATP molecules after donating electrons and
hydrogen atoms to the ETC. Ans: false
Assignment Expert
How many ATP molecules does NADH yield after donating electrons and
hydrogen atoms to the electron transfer chain (ETC)? Ans: 2.5 ATP per
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NADH
How many ATP molecules does FADH2 yield after donating electrons and
hydrogen atoms to the electron transfer chain (ETC)? Ans: 1.5 ATP per
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FADH2
T/F: ATP is invested in the urea cycle. Ans: true
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How many total ATP are invested in the urea cycle? Ans: 3
T/F: There are 5 complexes associated with the ETC. Ans: false
How many complexes are associated with the ETC? Ans: 4
T/F: In the production of ATP via ATP synthase, the H+ ions move from
the mitochondrial matrix to the intermembrane space. Ans: false
T/F: In the production of ATP via ATP synthase, the H+ ions move from
the intermembrane space to the mitochondrial matrix. Ans: true
The urea cycle involves ___ reactions (only those in the cyclic portion of
the process). Ans: 4
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What amino acids are involved in the urea cycle? Ans: ornithine, arginine,
and aspartate
Fumarate reenters the mitochondrion as Ans: malate
Urea is useful for excreting nitrogen from cells due to its Ans: ability to
hydrogen bonds with water and its high density of nitrogen in a small
molecule
Which component of the urea cycle is also a member of the CAC? Ans:
fumarate
Assignment Expert
Oxidative deamination results in the removal of ___ from amino acids.
Ans: NH4+ (amine group)
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What is the following chemical species? Ans: urea
What is the following chemical species? Ans: ammonium (NH4+)
What amino acid is the following structure? Ans: aspartate
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What amino acid is the following structure? Ans: arginine
©
What amino acid is the following structure? Ans: ornithine
NADH donates electrons and H+ to complex Ans: complex I
FADH2 donates electrons and H+ to complex Ans: complex II
Which of the ETC complexes pump H+? Ans: complexes I, III, IV
Which of the ETC complexes do not pump H+? Ans: complex II
What protein shuttles electrons from complex III to complex IV? Ans:
cytochrome c
What molecule transfers electrons and H+ from both complex I and
complex II to complex III? Ans: coQ
Biochem Module 8 Exam Questions and Correct
Answers | Latest Update
T/F: The majority of the reactions of the urea cycle occur in the cytosol.
Ans: true
T/F: The majority of the reactions of the urea cycle occur in the
mitochondrial matrix. Ans: false
T/F: FADH2 yields 2.5 ATP molecules after donating electrons and
hydrogen atoms to the ETC. Ans: false
Assignment Expert
How many ATP molecules does NADH yield after donating electrons and
hydrogen atoms to the electron transfer chain (ETC)? Ans: 2.5 ATP per
Guru01 - Stuvia
NADH
How many ATP molecules does FADH2 yield after donating electrons and
hydrogen atoms to the electron transfer chain (ETC)? Ans: 1.5 ATP per
2026
FADH2
T/F: ATP is invested in the urea cycle. Ans: true
©
How many total ATP are invested in the urea cycle? Ans: 3
T/F: There are 5 complexes associated with the ETC. Ans: false
How many complexes are associated with the ETC? Ans: 4
T/F: In the production of ATP via ATP synthase, the H+ ions move from
the mitochondrial matrix to the intermembrane space. Ans: false
T/F: In the production of ATP via ATP synthase, the H+ ions move from
the intermembrane space to the mitochondrial matrix. Ans: true
The urea cycle involves ___ reactions (only those in the cyclic portion of
the process). Ans: 4
, 2 for specific request mail
What amino acids are involved in the urea cycle? Ans: ornithine, arginine,
and aspartate
Fumarate reenters the mitochondrion as Ans: malate
Urea is useful for excreting nitrogen from cells due to its Ans: ability to
hydrogen bonds with water and its high density of nitrogen in a small
molecule
Which component of the urea cycle is also a member of the CAC? Ans:
fumarate
Assignment Expert
Oxidative deamination results in the removal of ___ from amino acids.
Ans: NH4+ (amine group)
Guru01 - Stuvia
What is the following chemical species? Ans: urea
What is the following chemical species? Ans: ammonium (NH4+)
What amino acid is the following structure? Ans: aspartate
2026
What amino acid is the following structure? Ans: arginine
©
What amino acid is the following structure? Ans: ornithine
NADH donates electrons and H+ to complex Ans: complex I
FADH2 donates electrons and H+ to complex Ans: complex II
Which of the ETC complexes pump H+? Ans: complexes I, III, IV
Which of the ETC complexes do not pump H+? Ans: complex II
What protein shuttles electrons from complex III to complex IV? Ans:
cytochrome c
What molecule transfers electrons and H+ from both complex I and
complex II to complex III? Ans: coQ
