B) It requires energy
D) It involves the help of carrier proteins.
The answer would be fats and proteins.
Answer:
because theyre in our bodies and they have to be small to be in our bodies
Explanation:
<span>There are a small number of boys who, after possibly contracting mumps, could experienced decreased fertility in the future. Giving a mumps vaccine, since it's a weaker version of the virus, will allow the body to fight it off without the negative effects that could come with a full version of the illness.</span>
