A mutation in the 16S rRNA of the prokaryotic ribosome could directly affect which stage of translation?
Elongation
Termination
Initiation
All stages
Related Questions
During protein synthesis, all of the following RNAs play a direct role EXCEPT:
mRNA
tRNA
miRNA
rRNA
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
All of the following are essential components of the translational machinery during protein synthesis EXCEPT:
Ribosomes
mRNA
RNA polymerase
tRNA
A bacterial ribosome (70S) consists of approximately how many different proteins?
21
34
55
85
Translation in eukaryotes occurs?
In the nucleus
On the ribosomes
In the nucleolus
In the golgi
Which of the following is NOT directly involved in the process of translation?
mRNA
tRNA
Ribosomes
DNA
If a scientist observes multiple ribosomes attached to a single mRNA molecule, what can they conclude about the protein synthesis process occurring?
The mRNA is being degraded.
Protein synthesis is inhibited.
Multiple copies of a protein are being synthesized simultaneously.
Only a single copy of the protein is being produced.
There is no tRNA for codon which has sequence
AGU
AUG
UAA
UUU
The large subunit (50S) of a prokaryotic ribosome contains approximately how many different proteins?
21
34
40
50
Which type of RNA is transcribed by RNA polymerase III in eukaryotic cells?
mRNA
tRNA and 5S rRNA
snRNA
rRNA (excluding 5S rRNA)
