What is a nucleotide? O A matched pair of amino acids
O A building block of the nucleus
O A single "letter" of DNA
An entire strand of DNA

the answer to your question is:

c. complementary base-pairing

a scenario where a cell may be needed to perform a form of endocytosis is when transporting large molecules. a scenario where a cell may be needed to perform a form of exocytosis is when releasing the large molecule from the cell.

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