The site on the ribosome where the growing polypeptide chain is attached is the:
A site
P site
E site
Release factor site
Related Questions
The process of translation of mRNA to proteins begins as soon as:
mRNA enters the cytoplasm
mRNA enters the nucleus
DNA enters the cytoplasm
tRNA enters the ribosome
There is no tRNA for codon which has sequence
AGU
AUG
UAA
UUU
During the elongation phase of translation, which factor is responsible for the translocation of the ribosome along the mRNA?
IF-2
EF-Tu
RF-1
EF-G
In eukaryotes, translation of mRNA into a polypeptide chain initiates when:
the mRNA transcript exits the nucleus and associates with a ribosome
the DNA molecule unwinds and exposes the coding sequence
the tRNA molecules bind to the promoter region of the gene
the rRNA molecules catalyze the formation of peptide bonds
What is the start codon in most organisms?
UAA
UAG
UGA
AUG
What is the role of the small ribosomal subunit in the initiation phase of translation?
Binds to mRNA
Forms peptide bonds
Releases the polypeptide chain
Translocates along the mRNA
The arrangement of amino acids in a polypeptide is determined by?
DNA
r-RNA
s-RNA
t-RNA
Which of the following is NOT a product of RNA polymerase III transcription in eukaryotes?
5S rRNA
tRNA
mRNA
U6 snRNA
Which of the following is NOT directly involved in the process of translation?
mRNA
tRNA
Ribosomes
DNA
Which event marks the commencement of mRNA translation?
Ribosome binding to mRNA
mRNA entering the nucleus
DNA replication
tRNA leaving the ribosome
