Which nitrogen base is absent in DNA? |
|||||||
(a) |
Adenine |
(b) |
Guanine |
(c) |
Uracil |
(d) |
Cytosine |
Which nitrogen base is absent in DNA? |
|||||||
(a) |
Adenine |
(b) |
Guanine |
(c) |
Uracil |
(d) |
Cytosine |