Answer:
D. Proteins
Step-by-step explanation:
Proteins are one of the four major biomolecules found in living systems. They are biological polymers formed as a result of coming together of monomers called AMINO ACIDS in a process called condensation.
Therefore, If a culture of liver cells were deprived of amino acids, the category of PROTEIN BIOMOLECULES will be affected because amino acids are the building blocks of proteins in all cells of living organisms including liver cells.