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>
All cells have a plasma membrane, ribosomes,cytoplasm, and DNA
Answer:
Another evidence of evolution is the convergence of form in organisms that share similar environments.
I think it is D for mountains form from the movement of tectonic plates which create volcanoes that erupt and form mountains
