Can someone please help. Thank you!!
What specifically makes up a protein.

The building blocks of proteins are amino acids, which are small organic molecules that consist of an alpha central carbon atom linked to an amino group, a carboxyl group, a hydrogen atom, and a variable component called a side chain

Explanation:

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Explanation:

The building blocks of proteins are amino acids, which are small organic molecules that consist of an alpha (central) carbon atom linked to an amino group, a carboxyl group, a hydrogen atom, and a variable component called a side chain.

the denominator has a very specific role.

they deliver oxygen to the blood