1. The nitrogen base of Pyrimidine in present in RNA butnol in DNA is

2. The number of hydrogen bonds present between A and T is.

3. Left handed DNA is .

4. Full turn of a DNA strand accommodate

5. X- ray diffraction picture of DNA is first discovered by

6. The distance between adjacemet nucleotide pair in DNA is.

7. The diameter of a DNA strand is always.

8. An mRNA formed from a DNA strand has the Nitrogen base sequence of U - C- G-C, the Nitrogen base sequence of U-C-G-C, the nitrogen base sequence in its DNA would be ]

9. The nucleolide sequence in a short DNA is A - T - C - G. Its complementary nucleotides has the sequence

10. The pentose sugar present in RNA but not in DNA is.

11. The isotopes used by Hershey and Chase are

12. With the use of T2 phage Alfred D Hershey and Mrtha Chase experimentally proved that

13. In 1928 Transformation experiments are conducted by

14. Which of the following is not the character of a gene

15. The process of changing the character of a type of Bacterium when they are grown a medium containing heat killed DNA extract of other type of Bacterium is