Kylee is training to be an ice skater. she already has great cardiorespiratory endurance but wants to focus on some of the skill-related components of fitness. define either balance or reaction time and then describe how it will enhance kylee's skating abilities.

Why is it so important to have a lifetime commitment to training? a-it takes your entire life to become fit b-it keeps you from becoming bored c-you will lose strength and endurance once you stop exercising d-it increases your motivation in life

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

List several ways that negative life events (death in the family, being laid off, etc) may affect your physical health.