it is B, it is not A because
Enzymes are proteins that control the speed of chemical reactions in your body. Without enzymes, these reactions would take place too slowly to keep you alive. Enzymes also help cells to communicate with each other, keeping cell growth, life and death under control.
Enzymes are important because they?
A. contain water***
B. speed up chemical reactions
C.contain genetic material
D.help the cell maintain it shape
3 answers
I thought it was a . contain water but I don't really know ....
It is B. They speed up chemical reactions.
The unit test review on the message board says "Enzymes are proteins that speed up chemical reactions in the body. Enzymes can also help some materials cross the cell membrane."
The unit test review on the message board says "Enzymes are proteins that speed up chemical reactions in the body. Enzymes can also help some materials cross the cell membrane."