I haven't taken biology since my freshman year of high school, so this is kind of a guess. But I know for sure it isn't a solid. So I would go with a gas.
Answer:
the correct answer is enzymes
Explanation:
enzyme act as catalyst and is a biological molecule which within the cell membrane can speed up or increase the rate of biological reaction without affecting itself and is obtained unchanged at the end of reaction
The correct answer for this question is this one: "d. Anemia reduces the amount of protein reaching body cells and is passed on by airborne viruses." The basis for Mr. Stamos's response is that <em>Anemia reduces the amount of protein reaching body cells and is passed on by airborne viruses. </em>Hope this helps answer your question and have a nice day ahead.
