Answer:
Goosebumps are an involuntary reaction: nerves from the sympathetic nervous system — the nerves that control the fight or flight response — control these skin muscles.
Explanation:
I think genetic mutation.
Answer:
The primary structure of a protein is determined by the gene corresponding to the protein. A specific sequence of nucleotides in DNA is transcribed into mRNA, which is read by the ribosome in a process called translation.
Answer:
some organisms fit into more than one category
Explanation:
Its Right
Answer:
they convert dead organic compounds into reusable organic compounds.
Explanation: