15. Which mutated protein will function similarly to the original? Why? 16) Which mutated protein might function a bit differently from the original (could be better or worse)? why?

the more fit you are, the faster the recovery. your heart rate drops most sharply in the first minute after you stop exercising; it should then fall about 20 beats a minute—a drop of less than 12 beats a minute is considered abnormal. this “recovery heart rate” is measured as part of an exercise stress test.

b and c would be the answers