Answer:
The enzyme denatured and therefore cannot catalyse any more reactions. Once an enzyme is denatured, it cannot be reversed.
A. El Nino/ C.the Gulf Stream
Answer:
A person can have normal chromosomes in number and structure, but still have a disease or condition caused by a mutation in one or more of the genes on the chromosomes. A single gene defect usually does not cause the chromosome structure or number to be abnormal.
Explanation:
I'm not sure if this is correct but hope it helps.