In prokaryotes the transcription of mRNA, rRNA and tRNA are by (A) Different enzymes (B) Same enzyme (C) Different proteins (D) More than one options correct

Chemical composition of ribosomes is (A) mRNAs and 89 protein types (B) rRNAs and 80 different proteins (C) tRNAs and 80 different proteins (D) mRNAs and 80 proteins.

Four vessels A, B, C and D have different shapes and hold different amount of water. Which of the following is correct.

(a) Name the enzyme responsible for the transcription of tRNA and the amino acid the initiator tRNA gets linked with. (b) Explain the role of initiator tRNA in initiation of protein synthesis.

In translation, br a: Site is cytoplasm whether a cell is eukaryotic or 10 prokaryotic. Br b. Site is same as of transcription, in eukaryotic cell. Br d. Both enzymes and energy are involved. Br d. Site is same as of transcription, in prokaryotic cell. Choose the set of correct statements

Indetify the different types of astivation (A,B ,C and D) and select the correct option.

Vernier constant is the (One or more than one correct option may be correct option may be correct):