The enzyme atcase (aspartate transcarbamoylase) catalyzes the first step in the multi-step synthesis of pyrimidine (single ring) nucleotides. ctp, a pyrimidine, is an inhibitor of atcase. this is an example of competitive inhibition feedback inhibition

The empty trna moves off and picks up another matching amino acid from the cytoplasm in the cell. the anticodon of the trna, with its attached amino acid, pairs to the codon of the mrna, which is attached to a ribosome. this sequence is repeated until the ribosome reaches a stop codon on the mrna, which signals the end of protein synthesis. the ribosome forms a peptide bond between the amino acids, and an amino acid chain begins to form. when a second trna with its specific amino acid pairs to the next codon in sequence, the attached amino acid breaks from the first trna and is bonded to the amino acid of the second trna.

If garbage is left on the street flies in microbes can arise from nothing to feed on it true or false

Brass gets discoloured in air because of the presence of which of the following gases in air? a. oxygen b. hydrogen sulphide c. carbon dioxide d. nitrogen