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5 Cards in this Set
- Front
- Back
In mammals the primary means of nitrogen excretion is
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UREA O=C-(NH2)2
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Most aquatic organisms release ammonia as _________ and are therefore called __________.
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Ammonium ions; Amonotellic organisms.
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Birds and land reptiles release ammonia in the form of _______________ and are therefore called __________.
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URIC ACID
URICOTELIC Organisms |
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WHat is the first reaction of the urea cycle?
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NH4 + CO2 + ATP ---> carbamoyl phosphate I
I and II are isoenzymes |
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Carbamoyl phosphate synthase I and II
cellular location: nitrogen source: Activator: inhibitor: |
I ; II
Inside mitochondria; cytisol Ammonia; GLN NAG ; NONE |