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Biochem Module 8 Exam Test Questions 100% Well Answered.
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true - Answer T/F: The majority of the reactions of the urea cycle occur in the cytosol. false - Answer T/F: The majority of the reactions of the urea cycle occur in the mitochondrial matrix. false - Answer T/F: FADH2 yields 2.5 ATP molecules after donating electrons and hydrogen atoms ...

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  • September 12, 2024
  • 5
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • urea cycle

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  • CHEM 210 Biochemistry
  • CHEM 210 Biochemistry

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Biochem Module 8 Exam Test Questions
100% Well Answered.
true - Answer T/F: The majority of the reactions of the urea cycle occur in the cytosol.



false - Answer T/F: The majority of the reactions of the urea cycle occur in the mitochondrial matrix.



false - Answer T/F: FADH2 yields 2.5 ATP molecules after donating electrons and hydrogen atoms to the
ETC.



2.5 ATP per NADH - Answer How many ATP molecules does NADH yield after donating electrons and
hydrogen atoms to the electron transfer chain (ETC)?



1.5 ATP per FADH2 - Answer How many ATP molecules does FADH2 yield after donating electrons and
hydrogen atoms to the electron transfer chain (ETC)?



true - Answer T/F: ATP is invested in the urea cycle.



3 - Answer How many total ATP are invested in the urea cycle?



false - Answer T/F: There are 5 complexes associated with the ETC.



4 - Answer How many complexes are associated with the ETC?



false - Answer T/F: In the production of ATP via ATP synthase, the H+ ions move from the mitochondrial
matrix to the intermembrane space.



true - Answer T/F: In the production of ATP via ATP synthase, the H+ ions move from the
intermembrane space to the mitochondrial matrix.

, 4 - Answer The urea cycle involves ___ reactions (only those in the cyclic portion of the process).



ornithine, arginine, and aspartate - Answer What amino acids are involved in the urea cycle?



malate - Answer Fumarate reenters the mitochondrion as



ability to hydrogen bonds with water and its high density of nitrogen in a small molecule - Answer Urea
is useful for excreting nitrogen from cells due to its



fumarate - Answer Which component of the urea cycle is also a member of the CAC?



NH4+ (amine group) - Answer Oxidative deamination results in the removal of ___ from amino acids.



urea - Answer What is the following chemical species?



ammonium (NH4+) - Answer What is the following chemical species?



aspartate - Answer What amino acid is the following structure?



arginine - Answer What amino acid is the following structure?



ornithine - Answer What amino acid is the following structure?



complex I - Answer NADH donates electrons and H+ to complex



complex II - Answer FADH2 donates electrons and H+ to complex



complexes I, III, IV - Answer Which of the ETC complexes pump H+?

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