Indicate If Each of the Following Descriptions Matches Lipids (1)

Short Answer

Indicate if each of the following descriptions matches lipids (1), nucleic acids (2), polysaccharides (3), or proteins (4). Your answer would be a four-digit number composed of digits 1 to 4 only, e.g. 1332.
( ) Their monomers contain phosphorus and nitrogen.
( ) They constitute almost half of the cell's dry mass.
( ) They are the main constituent of all cellular membranes.
( ) They are largely hydrophobic and can store energy.