I authorize Panhellenic to verify my high school and/or college grades, using my Texas Tech Student ID (R Number.) Additionally, I authorize TTU Panhellenic to share my academic information with the sororities at Texas Tech University.
Viruses consist of a small collection of genetic material (DNA or RNA) encased in a protective protein coat called a capsid. (Retroviruses are among the infectious particles that use RNA as their hereditary material.
The genome surrounds the capsid, and the virus may or may not have an outer layer called an envelope. the genome is surrounded by a protein coat called a capsid, which may or may not be surrounded by an envelope.