What is the primary function of a chloroplast in plant and algal cells?

• A. Degrade macromolecules and worn-out organelles using hydrolytic enzymes in an acidic compartment
• B. Generate ATP primarily through oxidative phosphorylation in the inner membrane
• C. Modify, sort, and package proteins and lipids for secretion or delivery to other organelles
• D. Convert light energy into chemical energy by carrying out photosynthesis, producing sugars and releasing oxygen

Answer: (D)