I just took a test in school today. What question was I asked?

Question I was asked: Which weather instrument measures air pressure?

I just took a test in school today. What question was I asked?

Question I was asked: The main function of hormones in the human body is to

I just took a test in school today. What question was I asked?

Question I was asked:
Which characteristic of a cell membrane allows it to control materials entering and leaving a cell?