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.
Ecosystem and pond,
not sure though but good luck !
Answer: In transcription, the genetic code of a DNA molecule is encoded. Translation is the process of converting DNA Code into a code that RNA can use.