Mark is wearing tennis shoes while working at the hospital. Are these shoes acceptable for the operating room, or would Mark need to take actions to
change them?

A. Yes, Mark's shoes are acceptable to wear in the operating room.
B. No, Mark would need to change his shoes to non-cloth material
and wear shoe covers.
C. Yes, Mark's shoes are acceptable, but he would need to also wear
shoe covers.
D. No, Mark would need to remove his shoes and wear plastic covers
instead

Aresearcher lyses a cell that contains nucleic acid molecules and capsomeres of tobacco mosaic virus (tmv). the cell contents are left in a covered test tube overnight. the next day this mixture is sprayed on tobacco plants. we expect that the plants would ) develop some but not all of the symptoms of the tmv infectionb) develop the typical symptoms of tmv infectionc) not show any disease symptomsd) become infected, but the sap from these plants would be unable to infect other plants