Answer:B
Explanation: because the science of Golgi bodies gives us the answer of secretion, and it wouldn’t be photosynthesis because that’s to do with plants
Membrane proteins can serve a variety of key functions:
Junctions – Serve to connect and join two cells together.
Enzymes – Fixing to membranes localises metabolic pathways.
Transport – Responsible for facilitated diffusion and active transport.
Recognition – May function as markers for cellular identification.
B is the answer to your question.
I hope this helped!