Two bikers are riding in a circular path. the first biker completes a round in 12 minutes. the second biker competes a round in18 minutes. if they start at the same place and time and go in the same direction. how many minutes will it take for them to meet again at the starting point?

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