Thymine has a methyl group and is better suited for the storage property of the DNA molecule as it is far more stable compared to Uracil.
RNA contain Uracil instead of thymine so as to make differentiation of RNA molecule from DNA molecules easier.
Answer:
D
Explanation:
Prokaryotic are simple cells and do not have nucleus.
A smaller person would have a lower metabolism rate than a taller person.
D oxygen there was no free oxygen on the earth