Answer:
false
Explanation:
it is a disaccharide , a molecule composed of two monounsaccharides glucose and fructose.
DNA replication needs to occur because existing cells divide to produce new cells. ... So the DNA needs to be copied before cell division so that each new cell receives a full set of instructions!
Answer:
the centrosome
At the end of this stage, each chromosome has two identical DNA double helix molecules, and therefore is composed of two sister chromatids. During S phase, the centrosome is also duplicated.
