The main purpose is communication. like when you stub your toe , your nervous system communicates to your brain to react and have pain
Mitochondria is the powerhouse of the cell
Hope this helped
Answer:bromine
Explanation: because im smart and i did this already so i know the answer so your welcome :D
Barbara have both alleles that are dominant. It is because all the
letters for the genotype of the trait are capitalized. It might be that
both of her parents have at least one dominant allele each
