Biochem Module 8 Exam Questions and
Answers (Limited Edition) Correct
Solutions 2026-2027
T/F: The majority of the reactions of the urea cycle occur in
the cytosol. - Correct Answers ✅true
T/F: The majority of the reactions of the urea cycle occur in
the mitochondrial matrix. - Correct Answers ✅false
T/F: FADH2 yields 2.5 ATP molecules after donating electrons
and hydrogen atoms to the ETC. - Correct Answers ✅false
How many ATP molecules does NADH yield after donating
electrons and hydrogen atoms to the electron transfer chain
(ETC)? - Correct Answers ✅2.5 ATP per NADH
How many ATP molecules does FADH2 yield after donating
electrons and hydrogen atoms to the electron transfer chain
(ETC)? - Correct Answers ✅1.5 ATP per FADH2
T/F: ATP is invested in the urea cycle. - Correct Answers
✅true
How many total ATP are invested in the urea cycle? - Correct
Answers ✅3
T/F: There are 5 complexes associated with the ETC. -
Correct Answers ✅false
, Biochem Module 8 Exam Questions and
Answers (Limited Edition) Correct
Solutions 2026-2027
How many complexes are associated with the ETC? - Correct
Answers ✅4
T/F: In the production of ATP via ATP synthase, the H+ ions
move from the mitochondrial matrix to the intermembrane
space. - Correct Answers ✅false
T/F: In the production of ATP via ATP synthase, the H+ ions
move from the intermembrane space to the mitochondrial
matrix. - Correct Answers ✅true
The urea cycle involves ___ reactions (only those in the cyclic
portion of the process). - Correct Answers ✅4
What amino acids are involved in the urea cycle? - Correct
Answers ✅ornithine, arginine, and aspartate
Fumarate reenters the mitochondrion as - Correct Answers
✅malate
Urea is useful for excreting nitrogen from cells due to its -
Correct Answers ✅ability to hydrogen bonds with water
and its high density of nitrogen in a small molecule
Answers (Limited Edition) Correct
Solutions 2026-2027
T/F: The majority of the reactions of the urea cycle occur in
the cytosol. - Correct Answers ✅true
T/F: The majority of the reactions of the urea cycle occur in
the mitochondrial matrix. - Correct Answers ✅false
T/F: FADH2 yields 2.5 ATP molecules after donating electrons
and hydrogen atoms to the ETC. - Correct Answers ✅false
How many ATP molecules does NADH yield after donating
electrons and hydrogen atoms to the electron transfer chain
(ETC)? - Correct Answers ✅2.5 ATP per NADH
How many ATP molecules does FADH2 yield after donating
electrons and hydrogen atoms to the electron transfer chain
(ETC)? - Correct Answers ✅1.5 ATP per FADH2
T/F: ATP is invested in the urea cycle. - Correct Answers
✅true
How many total ATP are invested in the urea cycle? - Correct
Answers ✅3
T/F: There are 5 complexes associated with the ETC. -
Correct Answers ✅false
, Biochem Module 8 Exam Questions and
Answers (Limited Edition) Correct
Solutions 2026-2027
How many complexes are associated with the ETC? - Correct
Answers ✅4
T/F: In the production of ATP via ATP synthase, the H+ ions
move from the mitochondrial matrix to the intermembrane
space. - Correct Answers ✅false
T/F: In the production of ATP via ATP synthase, the H+ ions
move from the intermembrane space to the mitochondrial
matrix. - Correct Answers ✅true
The urea cycle involves ___ reactions (only those in the cyclic
portion of the process). - Correct Answers ✅4
What amino acids are involved in the urea cycle? - Correct
Answers ✅ornithine, arginine, and aspartate
Fumarate reenters the mitochondrion as - Correct Answers
✅malate
Urea is useful for excreting nitrogen from cells due to its -
Correct Answers ✅ability to hydrogen bonds with water
and its high density of nitrogen in a small molecule
