Answer:
I believe the answer is the third option 2/3.
Answer:
Yes
Explanation:
Because most of the stuff they teach us isn't stuff we'll use in the real world until you're in college
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>
Vitamin A is pass through proteins to go from outside the cell to inside
