Which of the following is an example of two reps

Compare contrast to curl up and arm hang tags and explain why different test cannot be used interchangeably

List three reasons people may begin using tobacco

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