Imagine you have to travel from the city of Harappa to
Kalibangan. What are your different options? Can you
make a rough estimation of the amount of time each
option might take?
Differentiate between the followings:
(a) Repetitive DNA and Satellite DNA
(b) mRNA and tRNA
(c) Template strand and Coding strand
Write a brief report (150 to 200 words) summing up some
of the achievements of the Indus-Sarasvatī civilisation.
How did Hershey and Chase differentiate between DNA and protein in
their experiment while proving that DNA is the genetic material?
Depending upon the chemical nature of the template (DNA or RNA)
and the nature of nucleic acids synthesised from it (DNA or RNA), list
the types of nucleic acid polymerases.
Which property of DNA double helix led Watson and Crick to hypothesise
semi-conservative mode of DNA replication? Explain.
If the sequence of the coding strand in a transcription unit is written
as follows:
5′-ATGCATGCATGCATGCATGCATGCATGC-3′
Write down the sequence of mRNA.
Why does the civilisation studied in this chapter have
several names? Discuss their significance.
If the sequence of one strand of DNA is written as follows:
5′-ATGCATGCATGCATGCATGCATGCATGC-3′
Write down the sequence of complementary strand in 5’®3′ direction.
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