Question Text
Question 1 :
According to Watson-Crick model, hydrogen bonding in a double-stranded DNA occurs between.
Question 2 :
Which of the following is the co-factor for origin of life from pre-RNA?
Question 8 :
The number of purines in a segment of DNA molecule is 68. What will be the number of pyrimdines in this segment ?
Question 11 :
Whichof the following biologists has been dubbed as the architect of molecular biology?
Question 12 :
Which one of the following is the complementary sequence for the DNA with $5'$-CGTACTA-$3'$.
Question 14 :
Which one of the following combinations is found in DNA ?
Question 16 :
<i></i><i></i>The experimental system used in studies of the discovery ofreplication of DNA has been<br>
Question 18 :
Watson and Crick were awarded Nobel Prize for their finding of
Question 20 :
In the double helix model of DNA, what would bethe distance between two consecutive base pairs?
Question 22 :
Choose the correct answer from the alternatives given :<br>Ifthe sequence of nitrogen bases of the coding strand of DNA in a transcriptionunit is: 5 - A T G A AT G - 3, the sequence of bases in its RNA transcriptwould be
Question 23 :
In  a dsDNA number of phosphodiester bonds are $3250$, then find the number of base pairs.
Question 25 :
The two strands of double helix of DNA are linked together by hydrogen bonds between