I think it is A but not 100% sure. Think of an enzyme like a key unlock the lock is the protein. And to activate getting inside your car or house you have to fit the key into the lock.
The answer is True
The calorie that you get from drinking vitamin water mostly comes from sugar/carbohydrate. The sugar content of vitamin water is high enough to become close with a soft drink. The calorie content would be around 6 calories per ounce.
11. C
12. A
13. B
16 and 17. Dont know sorry
Hello this is estrogen levels.
Hope this helps<3