The relationship between the amount of calories consumed in food and the amount of calories expended through metabolism and physical activity is known as
a. body mass index.
b. energy balance.
c. metabolic rate.
d. metabolic equivalent.

Being quick to anger, distrusting others, and having a cynical attitude are toxic characteristics of which personality type?

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 practice is harmful to the land? a. using animal waste as fertilizer b. composting with peels from commercial fruit c. throwing paint cans in the garbage d. cutting the lawn with a gas-powered mower