Protein is essential to the overall health because it a. gives the body collagen which protects the organs, b. "bulk up" muscles c. sustains life and keeps body system in good repair or d. keep hair and nails healthy

Which of the following accounts for someone who has had regular herpesvirus-mediated cold sore or genital sore flare-ups? a) re-infection by a closely related herpesvirus of a different strainb) re-infection by the same herpesvirus strainc) copies of the herpesvirus genome permanently maintained in host nucleid) copies of the herpesvirus genome permanently maintained in host cell cytoplasm