In a DNA molecule adenine of one strand base pair with _   on the other strand

1.	Guanine	2.	Thymine
3.	Cytosine	4.	Both (1) & (2)

In B-DNA, the rise per base pair would be 

1. 4.3 A

2. 2.4 A

3. 3.4 A

4. 4.2 A

The nitrogenous bases of the two  strands of DNA are joined by 

The double helix model of DNA was proposed by

The pitch of the B-DNA is

1. 36 A

2. 3.4 A

3. 34 A

4. 3.6 A

In DNA, cytosine pairs with

1. Guanine

2. Thymine

3. Adenine

4. Uracil

Which of the following are basic amino acids?

In B-DNA, one full turn of the helical strand contains

1. 11 base pairs

2. 8 base pairs

3. 10 base pairs

4. 9 base pairs

In which of the following energy is released?

Which of the following is not strictly a biomacromoles?

1. Proteins

2. Lipids

3. Polysaccharides

4. Nucleic acid