Answer:
B)Cyclins regulate the timing of cell cycle
<span>olfactory mucosa because the nose (olfactory - sense of smell) uses chemo - like receptors (usually hair) that can perceive the smell in form of chemicals and send those signals to the brain to interpret the smell. Whatever you smell, you are essentially the chemicals that made up that substance! Even food or anything!</span>
Answer:
The DNA must be replicated first to be a whole chromosome since at the previous division it was only a set of two "half" chromosomes.
Explanation:
Mitosis never replicates DNA which is split in half in a set pattern every replication to prevent mutations.