When enough atoms have entered the neuron to make the inside positively charged relative to the outside, the neuron is said to be ______

Among women classified as problem drinkers, the rate of FAS is about

A. 90 percent. B. 50 percent. C. 23 to 29 per 1,000 births. D. 1 to 5 per 10,000 births.

Which of the following are examples of sexually dimorphic behaviors in rats?

a. eating b. parenting c. mating d. sleeping e. all locomotion