Isabella is worried about her mother, Margarita. Margarita will stay up all night creating elaborate art projects and then seem sad and tired for two days. Last month Margarita spent nearly $1,000 on shoes that she does not need. What mental health issues does Margarita most likely have?
A.
bipolar disorder
B.
bulimia nervosa
C.
schizophrenia
D.
Alzheimer’s disease
E.
obsessive-compulsive disorder

What is the hormone in your brain that makes you feel happy?

The only part of the body that should touch the ball when setting in volleyball

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