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

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

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

EASY
IMPORTANT

Of the following amino acid which one is sulphur containing?

EASY
IMPORTANT

Which step of protein synthesis is performed by the ribosomes?

EASY
IMPORTANT

The enzyme that catalyses peptide bond formation is located in

EASY
IMPORTANT

UTR’s are untranslated region present on

EASY
IMPORTANT

A sample of live microbial cells was presented to a scientist. He decides to stop the synthesis of a particular protein in the sample cells. Suggest a modification in the part of the cell for the scientist to enable the prevention of that particular protein synthesis.

MEDIUM
IMPORTANT

The following statements describe the process of translation.
I. An amide linkage is formed between adjacent amino acids.
II. Hydrogen bonds are formed between the anticodon and the codon.
III. mRNA binds to the ribosome.
IV. tRNA enters the ribosome carrying a specific amino acid.
In which order does this process take place?

MEDIUM
IMPORTANT

During protein synthesis, ribosome is found to be performing which of the following jobs?

HARD
IMPORTANT

Which of the following is correct for mRNA synthesized in leucocytes?

HARD
IMPORTANT

The mRNA consisting of 282 nucleotides can produce a polypeptide chain of

EASY
IMPORTANT

Which of the following set of options is used in translation?

MEDIUM
IMPORTANT

The triplet on the coding strand of DNA is ATG. What would be the required anticodon on the corresponding tRNA during translation?

MEDIUM
IMPORTANT

Which one of the following processes occurs inside the nucleus during protein synthesis in eukaryotic cells?