CBSE
Multiple Choice QuestionsThe association of histone H1 with a nucleosome indicates:
Transcription is occurring
DNA replication is occurring
The DNA is condensed into a Chromatin Fibre
The DNA is condensed into a Chromatin Fibre
DNA fragments are
Positively charged
Negatively charged
Neutral
Neutral
Amino acid sequence, in protein synthesis is decided by the sequence of
t-RNA
m-RNA
c-DNA
c-DNA
Antiparallel strands of a DNA molecule means that
one strand turns anti-clockwise
the phosphate groups of two DNA strands, at their ends, share the same position
the phosphate groups at thestart of two DNA strands are in opposite position (pole)
the phosphate groups at thestart of two DNA strands are in opposite position (pole)
In which mode of inheritance do you expect more maternal influence among the off spring?
Autosomal
Cytoplasmic
Y-linked
Y-linked
A sequential expression of a set of human genes occurs when a steroid molecule binds to the
transfer RNA
messenger RNA
DNA sequence
DNA sequence
One turn of the helix in a B-form DNA is approximately
20 nm
0.34 nm
3.4 nm
3.4 nm
The final proof for DNA as the genetic material came from the experiments of
Griffith
Hershey and Chase
Avery, Mcleod and McCarty
Avery, Mcleod and McCarty
Which of the following are not polymeric?
Nucleic acids
Proteins
Polysaccharides
Polysaccharides
Which antibiotic inhibits interaction between t-RNA and m-RNA during bacterial protein synthesis?
Erythromycin
Neomycin
Streptomycin
Streptomycin
