TASK DEFINITION: Given a scientific question, generate a correct answer to it.
PROBLEM: What are required when the damage from trauma or infection cannot be closed with sutures or staples?

SOLUTION: skin grafts

PROBLEM: How do glucose, ions, and other larger molecules leave the blood?

SOLUTION: through intercellular clefts

PROBLEM: When light strikes the rods and cones, they hyperpolarize, shutting off their release of what?

SOLUTION:
glutamate