instruction:
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
question:
Platelets blood component serves both structural and molecular functions in blood clotting.
answer:
What blood component serves both structural and molecular functions in blood clotting?


question:
The long bone work as lever.
answer:
What type of function does the long bone perform?


question:
Because the solute is moving down the concentration gradient, and no input of energy is required, facilitated diffusion is considered a(n) passive type of transport.
answer:

Because the solute is moving down the concentration gradient, and no input of energy is required, facilitated diffusion is considered what type of transport?