Question

proteins are made of ____, and the sequence of these determine how the protein will fold up and take shape, which ultimately determines its function.
a lipids
b amino acids
c nucleotides
d monosaccharides

Explanation:

Proteins are composed of amino acids, which are their basic building blocks. Lipids are fats, nucleotides form nucleic acids, and monosaccharides are sugars.

Answer:

B. amino acids