older
the deeper you dig into the earth, the farther back into history you are going.
Answer: number of protons plus the number of neutrons
Answer:
It has an optimum pH of about 1.5. Trypsin's optimum pH is about 8.
Explanation:
This active trypsin acts with the other two principal digestive proteinases — pepsin and chymotrypsin — to break down dietary protein into peptides and amino acids. These amino acids are essential for muscle growth, hormone production and other important bodily functions.
mark me as brainiest
thanks & do subscribe
Answer: c
Explanation: all cell membranes need to maintain function