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5 Cards in this Set
- Front
- Back
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What is Urea converted to and why?
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In land-based (terrestrial) animals, ammonia is toxic and is converted to urea
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where is it produced though the action of what?
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Urea is produced in the mammalian liver through the action of the Urea Cycle
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name 5 enzymes the urea cycle makes use of and where?
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Urea Cycle makes use of 5 enzymes:argininosuccinate synthase, arginase and argininosuccinate lyase –in the cytoplasm; and ornithine transcarbamoylase and carbamoylphosphate synthase –in the mitochondria.
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how many high energy phosphates to form 1 molecule of urea?
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It takes 4 high energy phosphates to form 1 molecule of urea by the Urea Cycle (3 ATP + 1PPi)
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what happens to ammonia formed outside the liver and carried where?
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Ammonia formed outside the liver is made into a non-toxic form and carried to the liver –glutamine and alanine are used to do this.
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