The sub units that make up Macromolecules are proteins, lipids, nucleic acids, and carbohydrates.
Answer is
C cancer
Explant
Explanation:
1. cell membranes are partialy permeable, only allowing passage to some certain molecules.
2. diffusion is the movement of molecules across partially permeable membrane down concentration gradient.
3. the molecules are too big to pass through partially permeable membrane. the concentration of the molecule might be higher in the cell than in the solution/surroundings.
The two main types are DNA and RNA
