From simple questions to complex issues, IDNLearn.com has the answers you need. Ask your questions and receive reliable and comprehensive answers from our dedicated community of professionals.

Why are some viruses species- or tissue-specific?
o The proteins in its outer shell must be able to interact with host cellular proteins.
o The inner DNA must be compatible with the host DNA.
o The RNA must first be added to the nucleus of the host, then added to the cell
o The inner RNA must be compatible with the host RNA