Cytogenetics Experienced Online Exam Quiz
Cytogenetics Experienced GK Quiz. Question and Answers related to Cytogenetics Experienced. MCQ (Multiple Choice Questions with answers about Cytogenetics Experienced
What will be DNA sequence of Shine and Dalgarno coding region?
Options
A : A/T rich
B : C/G rich
C : A/G rich
D : C/T rich
Which antibiotic inhibits peptidyl transfer by blocking the accommodation of aa-tRNA into the peptidyl transferase (A/A) site?
Options
A : Chloramphenicol
B : Penicillin
C : Tetracyclin
D : Viomycin
Which of the antibiotic can halt translocation of the ribosome bound to the mRNA?
Options
A : Fusidic acid
B : Streptomycin
C : Rifampicin
D : Chloramphenicol
In an experiment you add streptomycin at low concentration first and then gradually increase the concentration till it completely inhibits peptide formation. What will be its effect at low concentration?
Options
A : No effect
B : Shorter peptide
C : Wrong amino acid incorporation
D : Slower formation
Puromycin is a ribosomal antibiotic. It binds to ________
Options
A : Peptide exit channel
B : 16S rRNA
C : tRNA binding site
D : A site of unassociated 16S rRNA
The catalytic activity of the ribosome is located in the ______
Options
A : Proteins
B : 50S ribosomal rRNA
C : 30S ribosomal rRNA
D : Undiscovered
In an experiment you add rifampicin and paramomycin to the ribosome and mRNA mixture. What will inhibit theribosomal translation efficiency and how?
Options
A : Rifampicin will prevent translation initiation
B : Paramomycin will slow down translation
C : Rifampicin will bind irreversibly to the ribosome and inactivate it
D : Paramomycin will increase error rate
The ribosome slides over the mRNA translating it.
Options
A : True
B : False
C :
D :
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