Tessarae
is the correct answer
Lysozyme which is found in the lysosomes. They function at a relatively low pH and are so because if they functioned at physiological pH they would digest the cell. But in this case, they are in the lysosomes where they are safe and at a lower pH so when the vesicles open they can emit hydrogen ions and the lysozyme to digest the foreign material.
The mouse's offspring are more than likely either not going to survive birth and or be deformed
D. A condition that causes narrowing of the coronary arteries so blood flow to the heart muscle is reduced carotid arteries
A vertebrate is an animal with a backbone.