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:
the first one is plants
the second one is animals
the third one is plants
the fourth one is animals
Answer:
2) B
3) D
I believe that these are the answers, I hope this helps!
In physical geography<span>, a </span>dune<span> is a </span>hill<span> of loose </span>sand<span> built by </span>wind<span> or the flow of water.</span><span> Dunes occur in different shapes and sizes, formed by interaction with the flow of air or water. Most kinds of dunes are longer on the windward side where the sand is pushed up the dune and have a shorter "slip face" in the lee of the wind. The valley or trough between dunes is called a </span>slack<span>. A "dune field" is an area covered by extensive sand dunes. Dunes occur, for example, in some </span>deserts<span> and along some coasts.</span>
Answer:
photosynthesis takes place in chloroplasts.
