What are risk factors challenging abstinence? check all that apply. low self-esteem alcohol and drugs prior sexual activity dating younger people friends who are sexually active

Increased use of cocaine can reduce the period of stimulation. true or false

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

Results from damage to tiny air sacs in the lungs