The answer is C the snail looking thing is the cochlea
Large polymers, ions and charged molecules
(mRNA<span>) is a </span>polymeric<span> molecule essential in various biological roles in </span>coding<span>, </span>decoding<span>, </span>regulation<span>, and </span>expression<span> of </span>genes<span>. </span>
<span> air pressure decreases, so does air density.</span>
<span>A bond forms between the carboxyl functional group of one amino acid and the amino functional group of the other amino acid.</span>