In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.

[Q]: Question: When light meets matter, it may be reflected, transmitted, or what? Answer: absorbed
[A]: When light meets matter, it may be reflected, transmitted, or absorbed.

[Q]: Question: When substances pass through the cell membrane without needing any energy what is it called? Answer: passive transport
[A]: When substances pass through the cell membrane without needing any energy, it is called passive transport.

[Q]: Question: What do the gonadotropins regulate? Answer: gametogenesis
[A]:
Gametogenesis do the gonadotropins regulate.