The building blocks of proteins<span> are </span>amino acids<span>, which are small organic molecules that consist of an alpha (central) carbon atom linked to an </span>amino<span> group, a carboxyl group, a hydrogen atom, and a variable component called a </span>side chain<span> (see below). ... The</span>side chains<span> of </span>amino acids<span> have different chemistries.</span>
C) when an individual has stopped breathing
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Resting heart rate is the number of times your heart beats per minute while at complete rest. The best time to take it would be in the morning after a good night sleep before you get out of bed.
Answer:
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Explanation: