Prions:
A prion is a form of protein that can infect both humans and animals by altering the normal folding of healthy proteins in the brain.
- These are the proteinaceous particles that are known to cause some types of infections in mammals.
- Proteinaceous particles are made of proteins and do not comprise any genetic material as found in living cells.
- They are just the enclosed protein bodies.
Final answer: No, they do not grow because they are not living organisms.