Enzymes in reactions are- A. Reusable

B. Able to take place at any temperature

C. Destroyed in the reaction

D. Able to catalyze multiple reactions at once

1 digestive system

2 stomach

3 bladder

4 carbon deoxide

5 tiger

c) 50% there are four chromosomes. after crossing over, 2 of the four have been changed. that means any gamete has a 2 in 4 chance or 50% chance of receiving the mutated chromosome.