All viruses contain nucleic acid, either DNA or RNA (but not both), and a protein coat, which encases the nucleic acid. Some viruses are also enclosed by an envelope of fat and protein molecules. In its infective form, outside the cell, a virus particle is called a virion.
The 2nd and 3rd one are both correct. I don’t know if it’s multiple choice or not, but the nervous system does both of those answers
Pepsin I believe is the answer
Answer:
it may improve the neural efficiency pls mark brainliest if correct Ty!
