Translation

IMPORTANT

Translation: Overview

This Topic covers sub-topics such as Aminoacylation of tRNA, Activation of Amino Acids, Peptidyl Transferase, Initiation of Protein Synthesis, Elongation of Protein Synthesis, Termination of Protein Synthesis and, Untranslated Regions of mRNA

Important Questions on Translation

HARD
IMPORTANT

When ribosome encounters a stop codon in the mRNA, during translation, which one of the following binds to the stop codon? 

MEDIUM
IMPORTANT

Which of the following structures translate mRNA into proteins in a bacterial cell?

HARD
IMPORTANT

Which of the following statements are correct in context of polycistronic mRNA?

(a) Codes for more than one polypeptide.

(b) Commonly found in eukaryotes.

(c) More than one stop codon present.

(d) More than one ribosomes may be attached to such mRNA at same time.

MEDIUM
IMPORTANT

A stretch of mRNA has 282 nucleotides. What would be the number of amino acids in the sequence if this mRNA is translated?

EASY
IMPORTANT

The process of translation is

EASY
IMPORTANT

'One gene one enzyme' concept was put forward by:

HARD
IMPORTANT

How many nucleotides of DNA are required to code a polypeptide if in an E.coli, a finished polypeptide has 162 amino acids of which the first amino acid is not a methionine compound?

HARD
IMPORTANT

In a translation experiment, two different mRNAs with different nucleotide sequences, mRNA 1: 5'AUGUUUUUAUUUUUAUAAUUCUUG3' and 

mRNA2: 5'AUGUUCUUGUUAUUUUAGUUUUUACUU3'

are used. Which of the following statement is true?

EASY
IMPORTANT

Polysomes translate __________.

EASY
IMPORTANT

During translation process, which structure of protein is produced :-

EASY
IMPORTANT

What will stop if all the ribosomes of a cell are destroyed?

EASY
IMPORTANT

 ___________ is the term used for the movement of ribosome on mRNA.

MEDIUM
IMPORTANT

The following diagram represents translation in bacteria. Identify the incorrect statement with respect to this.

Question Image

 

EASY
IMPORTANT

Peptidyl transferase activity is inhibited by which of the following antibiotic?

MEDIUM
IMPORTANT

If a polypeptide chain contains 50 amino acids, in its cistron, what will be the minimum number of nucleotides?

EASY
IMPORTANT

Of the following amino acid which one is sulphur containing?

MEDIUM
IMPORTANT

Which of the following is an incorrect pair pertaining to the translation process?

EASY
IMPORTANT

Which of the following represents charging of tRNA?

MEDIUM
IMPORTANT

Which of the following is the characteristic feature of UTRs in mRNA?

MEDIUM
IMPORTANT

RNA can easily express the character due to: