Dora has recently started working on a research study that hypothesizes that people who have a defect in a specific gene may have a predisposition to depression. as a second hypothesis in the study, the researcher is studying the impact of a significant lack of social support in triggering the onset of depression in such people. if dora’s research successfully validates both hypotheses, which of the following conclusion may be drawn?

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