Answer:
Prophase
Explain:
The first step in mitosis, the nuclear envelope breaks down and chromosomes condense and become visible.
Answer:
dont pay me no mind I'm only answering to win points but the tutor helped me they can help you to
Answer: Serotonin
Explanation:
Serotonin is an hormone, derived from the amino acid, tryptothan. It is involved in vasodilation, sleep regulation, mood changes, capillary permeability, and causes contraction of smooth muscles like that of the stomach to signal hunger.
Its B cuz the definition is <span>one of two or more alternative forms of a gene.
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I think it’s C explanation : i learned this a while ago
