Restriction endonuclease cleaves______________?
(A) Double stranded DNA
(B) SIngle stranded DNA
(C) SIngle stranded RNA
(D) Polypeptide
Which of the following process in involved in conversion of DNA to RNA___________?
(A) Conjugation
(B) Transduction
(C) Translocation
(D) Transcription
Unwinding of DNA is done by____________?
(A) DNAse
(B) Topo isomerase
(C) Ligase
(D) Reverse transcriptase
Nonsense codons bring about__________________?
(A) Elongation of polypeptide chain
(B) Pre-translational modification of protein
(C) Initiation of protein synthesis
(D) Termination of protein synthesis
Mutations are due to changes in_________________?
(A) DNA nucleotide sequence
(B) RNA nucleotide sequence
(C) Amino acid sequence of ribonuclease
(D) Cell walls
Highest binding of iron in plasma is seen with___________?
(A) Transferrin
(B) Ferritin
(C) Hemoglobin
(D) Ceruloplasmin
Which of the following is not a post transcriptional modification of RNA ?
(A) Splicing
(B) 5′ capping
(C) 3′ polyadenylation
(D) Glycosylation
The protein rich in basic amino acids, which functions in the packaging of DNA is chromosomes is______________?
(A) Histone
(B) Collagen
(C) Hyaluronic acid binding protein
(D) Fibrinogen