A. To remove excess Heat from the body
The answer is B.
neutral: OH- = H+
acid: H+ > OH-
base OH- > H+
<span>Lactase enzymes oftentimes come into contact with body temperature entities - 37 C. Ultimately, the enzyme's activity gradually increases with temperature up until about body temperature. Optimum pH for this enzyme is 6. These values provide efficient life of the lactase enzyme.</span>