Answer:
A lysosome is a membrane-bound cell organelle that contains digestive enzymes. They break down excess or worn-out cell parts. They may be used to destroy invading viruses and bacteria. If the cell is damaged beyond repair, lysosomes can help it to self-destruct in a process called programmed cell death, or apoptosis.
Explanation:
Answer:
Gas Exchange
Explanation:
It is diffusion that occurs in moist membranes
Answer: Protons
Explanation: Protons and Nuetrons are found in the Nucleus of a atom
meosis cell division occurs in reproductive cells and sperm cell is one of the reproductive cells.