Which of the following is incorrect concerning synthesis of carbamoyl phosphate? 1) the nitrogen source can be either ammonia or glutamine 2) it plays a role in the urea cycle. 3) it is mediated by different enzymes in the cytosol and mitochondria of the liver 4) it plays a role in pyrimidine synthesis 5) all of the above are correct.

Which codon is the code for the amino acid histidine (his)?

The diagram shows the layers of earth. convection currents in which region influence the movement of tectonic plates

Step 1 review the imaginary strand of dna below. note the complementary base pairs. a g c a a t c c g t c t t g g t c g t t a g g c a g a a c c step 2 to begin replicating this strand of dna, draw the two sides of the strand separating. step 3 now, draw the free-floating bases linking up with the separate sides. remember to follow the rules of complementary base pairing. step 4 draw the two resulting dna strands.