Homologous chromosomes, is a pair of chromosome connected by a centromere. In sexual reproduction, the chromosome of the mother and the chromosome of the father pairs together.
Answer:
Everything else is the same. Just like DNA, G and C are paired together. But on RNA, the A is different. It’s not paired with T, but with U.
RNA pairs:
A - U ( Adenine to Uracil )
G - C ( Guanine to Cytosine )
Answer:
Dark matter
Explanation:
Without dark matter the world can not be held together
The answer is B, fossil fules
One type of atom
a pure substance