What is the common name for the area of the body that corresponds to the cervical spine?

The cervical spine is the top part of your spine ... the part that goes down through your neck.

(Trust me.  I've had cervical spine surgery twice, and the scars are both on my neck.)  

a neutral ph of 7 and normal organism temperature is needed for a certain enzyme to be effective.  

what would happen to the enzyme if the ph and/or temperature fluctuate greatly from the norm?  

a.the enzyme’s hydrogen bonds will break.  

b.the activation energy will increase.  

c.more product will be formed.

d.the ideal temperature and ph for the enzyme function will decrease.  

request for reexamination