DNA does not have:
1. Adenine
2. Thymine
3. Cytosine
4. Uracil
HINT: DNA contains A, T, G and C.
Explanation:
STEP 1: Deoxyribonucleic acid is a molecule composed of two polynucleotide chains that coil around each other to form a double helix carrying genetic instructions for the development, functioning, growth and reproduction of all known organisms and many viruses.
STEP 2: DNA contains the following four bases :
(a) adenine (A) (b) thymine (T)
(c) guanine (G) (d) cytosine (C)
It does not contain uracil.
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