Answer:
B
Explanation:
The changed protein connects differently, but its function doesn't change.
Drug allergies would need to be avoided in the future and drug interaction is when someone cannot tolerate the side effects
C. Drug abuse is when you become dependent on that drug and "need it to survive." People abusing drugs will do whatever necessary to get more drugs, even dangerous and illegal things. Even prescription drugs (drugs taken for medical purposes) can be abused if you take more than prescribed. I hope this helps :)
Because you breathe faster and in effort to quickly bother the oxygen rich blood to you body
