(01.01 lc)which of the following is only a muscle-strengthening activity that can be completed in school? a. walking b. dancing c. martial arts d. push-ups

Viruses ) manufacture their own atp, proteins, and nucleic acidsb) use the host cell to copy themselves and make viral proteinsc) use the host cell to copy themselves and then viruses synthesize their own proteinsd) metabolize food and produce their own atp