Answer:I'm doing this right now and have no clue sorry ;-;
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I think Last two statements are right
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The building blocks that compose proteins are called <u><em>amino acids</em></u>. The instructions for building these proteins are found in <em><u>the nucleus</u></em>.
The protein building instructions are found in the <u><em>nucleus</em></u> (part of the cell), but the proteins are actually built by the <u><em>ribosomes.</em></u>
