1)What is an enzyme?

2)How does hydrogen peroxide get into cells ?

3)how does a cell deal with the buildup of hydrogen peroxide?

4) what would happen if a cell couldn’t make catalase?

5)When hydrogen is broken down, what two substances are created?

Explain how to barriers you describe in a part can lead to long term consequences related to risk behavior and negative health outcomes for young people

Some infants in poorer households are not fed this important food for all babies. what is it? a. baby food b. breast milk or infant formula c. water. d. all of the choices are correct

Why is it often difficult to get funding for local parks? a. state governments do not like to grant permits for local parks. b. federal regulations prohibit most fund raising. c. there is often a small tax base. d. federal funding cuts have all but stopped local construction of parks.