A normal chemical process in the body, resulting from exposure to sunlight, X-rays, and food, creates molecules or atoms that possess an unpaired electron. These atoms and molecules are called _______

In 2000, about ________ of teenagers who gave birth were unmarried

A) 13% B) 50% C) 80% D) 40%

Maria and Michael have just been told that their newborn child has tested positive for PKU. What does this mean?

a. The condition can be cured through medication. b. The illness can be controlled through a strict exercise regimen. c. The condition will disappear by the time their child is six months old. d. Their child can develop normally if placed on a special diet early.