Skeletal muscles whose primary function is extension of a joint include the

The answer is triceps muscles. These muscles run along the back of the upper arm while the biceps run along the front. The triceps muscles allow the arm to extend at the joint of the elbow, therefore an antagonist of the biceps that bend the forearm.

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.