Question

multiple-choice question
which is not a function of proteins?
structure
protection
transport
photosynthesis
enzymes

Explanation:

1. Recall protein functions: Structural (e.g., collagen), protective (e.g., antibodies), transport (e.g., hemoglobin), enzymatic (most enzymes are proteins).
2. Photosynthesis: Driven by chlorophyll (a pigment, not a protein) and involves light - dependent/independent reactions with enzymes (proteins) aiding, but the core process of converting light to chemical energy is not a protein function. The main components for photosynthesis are chloroplasts with chlorophyll, and proteins act as enzymes in the process but the process itself (photosynthesis) is not a function of proteins.

Answer:

photosynthesis (the option labeled "photosynthesis")