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 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 is secreted before ejaculation to neutralize acidic urine remaining in the urethra? Answer: clear mucus
[A]: Clear mucus is secreted before ejaculation to neutralize acidic urine remaining in the urethra.


[Q]: Question: Which of these transmits sound the fastest? Answer: A metal rod
[A]:
A metal rod of these transmits sound the fastest.


