Cells can make certain molecules when needed for a certain function. What happens when those molecules are no longer needed

The last choice.

Explanation:

The molecules would be stored for later use. The cells won't just throw out as molecule they could use later, they will n. it until they need it again.

lunar landing mission. apollo 11 was the first manned mission to land on the moon. the first steps by humans on another planetary body were taken by neil armstrong and buzz aldrin on july 20, 1969. the astronauts also returned to earth the first samples from another planetary body.

explanation:

it's c.us forest service