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.
2. capsid-the outer covering of protein surrounding the nucleic acid of a virus. virion - (virology) a complete viral particle; nucleic acid and capsid (and a lipid envelope in some viruses).. capsid-the outer covering of protein surrounding the nucleic acid of a virus. virion - (virology) a complete viral particle; nucleic acid and capsid (and a lipid envelope in some viruses).