Chromosome and DNA — Biology MCQs (Class 12)
Free chapter-wise Biology MCQs with answers for MDCAT, FSc and entry tests.
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#9 Transciption factors are
A) Inorganic ions helping in transcription
B) Protein required to start replicaiton
C) proctein that help RNA polymerase II to bind to promoter
D) proctein that help RNA polymerase I to bind to promoter
#10 Region of DNA where transcription begins is called
A) Promoter
B) Transcript
C) Gene
D) Start condon
#11 RNA polymerase sythesizes m RNA from
A) 3'---5' direction
B) 5'---3' direction
C) Fromt both directions
D) None of these
#12 In Eukaryotes the mRNA is/has
A) Capped
B) Poly A-tail
C) Produced by DNA polymerase
D) Both A and B
#13 The initiator t RNA has anticondon
A) AUG
B) UAC
C) UUU
D) UAA
#14 When the large subunit joins the initiation complex, the initiator t RNA is present at
A) A-site
B) P-site
C) Catalytic site
D) None of these
#15 Stickle cell anemia is an example of
A) Point mutation
B) Translocation
C) Deletion
D) Inversion
#16 If the sequence of one strand of DNA is CTSATG, the sequence of the other strand would be
A) GAGTAC
B) GUGUAC
C) ATGTAC
D) CGTAGC
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