The urea cycle rids in the body of excess nitrogen by converting it to a non-toxic form that can be excreted in the urine. it utilize one nitrogen atom from carbonyl phosphate and one nitrogen atom from asparate.

1.which enzyme releases urea a product? a) ornithine transcarbamoylase b) argininosuccinate synthetase c) argininosuccinase d) arginase

2. which enzyme requires atp a) ornithine transcarbamoylase b) argininosuccinate synthetase c) argininosuccinase d) arginase

3- which enzyme is located inside the mitochondrion? a) ornithine transcarbamoylase b) argininosuccinate synthetase c) argininosuccinase d) arginase

4- which intermediates of the urea cycle must cross the mitochondrial membrane? a) argininsuccinate b) ornithine c) arginine d) citrulline

Explanation:

Number 1: The answer is A; Ariginase is responsible for the release of urea as product.

Number 2: The answer is B; Argininosuccinate synthetase requires ATP.

Number 3: The answer is D; Arginase is located in the mitochondrion

Number 4: The answer is B; Ornithine produced in the cytosol must first cross the inner mitochondrial membrane into the mitochondrial matrix where it is carbamylated

oceans

indian ocean

pacific ocean

atlantic ocean

arctic ocean

southern ocean

ecological efficiency: % of usable energy transferred as

biomass from one trophic level to the next typical is 10% efficient (90% of

energy is lost),is diagramed as the pyramid of energy flow. then osprey eagle

are tertiary consumer and the shrimp are primary consumer, so to balance

mass of shrimp (1/0.1) / 0.1 = 100 kg