Which is the most effective and safe plan to gain muscle and keep it: А. Meal replacement products
B. Diet pills
C. Supplements
D. Balanced diet

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