There are several environmental and genetic factors that can lead to someone having a compromised immune system or being susceptible to pathogens. Which of the following would be considered a positive environmental or genetic factor that helps your immune system? A.) Having a parent with Cystic Fibrosis
B.) UV Radiation Therapy
C.) Poor Nutrition
D.) Exercise

a tetrad is the foursome during meiosis made by two homologous chromosomes that have each already replicated into a pair of sister chromatids.

cellular respiration oxidizes food into energy in the form of atps.

glycolysis (6 c hexose) > 2x atps are used > 6c hexose biphosphate > 2 x 3c triphosphate >

2 x 3c pyruvate (2x nadh produced from nad) and (4x atp produced)

pyruvate actively pumped mitochondrial matrix.

the wetland preservation movement began in the u.s. in earnest with the clean water act (cwa) of 1972. although not specifically written to protect wetlands, the cwa is comprised of a series of regulations designed to prevent pollutants from contaminating u.s. waters.