A protein is a polymer of amino acids.
When amino acids are joined by dehydration synthesis (a process that removes
water to form a chemical bond), they form peptide bonds. <span>There are three main components of an
amino acid, the amino group, the side chain, and the carboxylic acid group. </span>
Answer:
Controls blood flow to regulate body temp.
Explanation:
Circulatory system deals with flow/transport of blood
The correct answer is b. Glad to have helped
it includes more organisms in the ecosystem that would otherwise not be shown in a food chain.