T/F: The majority of the reactions of the urea
cycle occur in the cytosol. - -true
T/F: In the production of ATP via ATP synthase,
the H+ ions move from the intermembrane space
T/F: The majority of the reactions of the urea to the mitochondrial matrix. - -true
cycle occur in the mitochondrial matrix. - -
false
The urea cycle involves ___ reactions (only those
in the cyclic portion of the process). - -4
T/F: FADH2 yields 2.5 ATP molecules after
donating electrons and hydrogen atoms to the
ETC. - -false What amino acids are involved in the urea cycle?
- -ornithine, arginine, and aspartate
How many ATP molecules does NADH yield
after donating electrons and hydrogen atoms to Fumarate reenters the mitochondrion as - -
the electron transfer chain (ETC)? - -2.5 malate
ATP per NADH
Urea is useful for excreting nitrogen from cells
How many ATP molecules does FADH2 yield due to its - -ability to hydrogen bonds with
after donating electrons and hydrogen atoms to water and its high density of nitrogen in a small
the electron transfer chain (ETC)? - -1.5 molecule
ATP per FADH2
Which component of the urea cycle is also a
T/F: ATP is invested in the urea cycle. - - member of the CAC? - -fumarate
true
Oxidative deamination results in the removal of
How many total ATP are invested in the urea ___ from amino acids. - -NH4+ (amine
cycle? - -3 group)
T/F: There are 5 complexes associated with the What is the following chemical species? - -
ETC. - -false urea
How many complexes are associated with the What is the following chemical species? - -
ETC? - -4 ammonium (NH4+)
T/F: In the production of ATP via ATP synthase, What amino acid is the following structure? -
the H+ ions move from the mitochondrial matrix -aspartate
to the intermembrane space. - -false
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