Which is the best description of obesity? a. a person is obese if he or she has an excess amount of body fat. b. an obese person's weight is above the standard weight range for his or her height. c. obesity is when a person has an unusually large amount of muscle mass.

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