The sources of nitrogen in urea are __________. ANSWER NH4+ and Arg NH4+ and water
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The sources of nitrogen in urea are __________.
ANSWER
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NH4+ and Arg
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NH4+ and water
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NH4+ and carbamoyl phosphate
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NH4+ and Asp
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- Define the following terms:a. urea cycleb. Krebs bicyclec. carbamoyl phosphated. ureotelic organisme. ornithine translocaseWhy is the Urea cycle important in protein catabolism? A. Urea transports amino acids to the liver. B. Urea synthesis prevents ammonium toxicity C. Urea is unstable and rapidly metabolized by the liver. D. Urea is a source of amino acidsWhich of the following takes the most energy to make? urea ammonia uric acid
- Which of the following is a substrate in the urea cycle? a. fumarate b. glutamate c. aspartate d. α-ketoglutarateCarbohydrates and lipids are composed of the same chemical elements, but in different proportions. Both are used as energy sources for cell metabolism. Which type of molecule has the higher calorie content per gram. Explain..By definition, essential amino acids are not synthesized by an organism. Arginine is classified as an essential amino acid in infants, even though it is part of the urea cycle. Explain.
- Proteasas are enzymes that break down proteins. Gastric proteasas are found in the stomach; intestinal proteases are found in the small intestine. Estimate the optimum pH for these two enzymes and identify as acidic or basic: Gastric proteases: pH= ____; acidic or basic Intestinal proteases activity: pH= ____; acidic or basicWhat is the overall yield or consumption of ATP for one turn of the urea cycle? ANSWER + 2 ATP - 6 ATP + 3 ATP - 3 ATPPurine and pyrimidine degradation produces_________ and __________, respectively as nitrogenous catabolite. Question 6 options: uric acid; urea ammonia; urea urea; uric acid urea; urea uric acid; uric acid