Which technology keeps track of heart rate during a workout?
-bathroom scale
-calorimeter
-wrist and chest monitor
-pedometer

Which of the following is also referred to as "swayback"? a. kyphosis b. scoliosis c. lordosis d. none of the above

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

Which disease could be possibly prevented through the use of regular physical exercise? a: cirrhosis b: asthma c: gout d: type 2 diabetes