Which statements are true about the biological macromolecules. (Choose 3)

The true statements about the biological macromolecules are:

A. All bio molecules could be called carbon based molecules
B. The monomers of dna are nucleotides
E. Cell membranes are made in part from phospholipids

Therefore, the correct choices are A, B, and E.

To clarify the incorrect statements:
C. Ready cellular energy comes in the form of carbohydrates (primarily glucose) rather than lipids.
D. Carbohydrates do not contain nitrogen; they are primarily composed of carbon, hydrogen, and oxygen, which distinguishes them from nucleic acids and proteins that do contain nitrogen.