I may be wrong but I think it’s the second one. They speed up reactions, and there’s a certain enzyme for a certain reaction.
To control,maintain a rate or speed
The answer should be C. many different
Answer:
An intrauterine device, also known as intrauterine contraceptive device or coil, is a small, often T-shaped birth control device that is inserted into the uterus to prevent pregnancy. IUDs are one form of long-acting reversible birth control.
Answer:
14 chromosomes
Explanation:
Each gamete will get half of the number of the original chromosomes