Lipids can not be broken down and converted to glucose, the form of energy required for brain function, nerve transmission and red blood cell activity.

How harmful is it to smoke a pack of cigarettes a week?

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

1. true or false decay destroys tooth enamel 2. true or false- tooth decay starts when plaque builds up on your teeth