Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

Q: Plasma membranes encloses and defines the borders of cells.

A: What encloses and defines the borders of cells?
****
Q: Diffusion process helps absorptive protists absorb food molecules across their cell membranes.

A: Which process helps absorptive protists absorb food molecules across their cell membranes?
****
Q: When light reflects from a rough surface, it gets diffused.

A:
What happens to light when it reflects from a rough surface?
****