What is the main function of $tRNA$ in relation to protein synthesis?
Initiates transcription
Inhibits protein synthesis.
Identifies amino acids and transport them to ribosomes.
proof reading.
Mutations which alter nucleotide sequence within a gene are called
A polypeptide of five amino acids is synthesized during protein synthesis in eukaryotic cells. Which one of the following can be the correct polypeptide
Assertion : Comparative biochemistry provides a strong evidence in favour of common ancestory of living beings.
Reason : Genetic code is universal.
Anticodon is
Match the codons given incolumn $I$ with their respective amino acids given in column $II$ and choose the correct answer.
column $I$ (Codons) | column $II$ (Amino acids) |
$(A)$ $UUU$ | $(I)$ Serine |
$(B)$ $GGG$ | $(II)$ Methionine |
$(C)$ $UCU$ | $(III)$ Phenylalanine |
$(D)$ $CCC$ | $(IV)$ Glycine |
$(E)$ $AUG$ | $(V)$ Proline |