If Andrew is a normal, healthy baby who weighed 8 pounds at birth, about how much would you expect him to weigh at age 4 months:

According to a study by the UCLA Higher Education Research Institute, which of the following is true of first-year college students?

A) They are now encountering a record level of stress. B) Their stress levels have remained the same over the last 30 years. C) Their stress levels have been falling consistently for the past 30 years. D) They feel that the beginning of college is more stressful than the death of a spouse.

Gasotransmitters, like NO, are synthesized in a neuron and can work in a retrograde fashion (acting on the presynaptic cell). How can NO travel to a presynaptic neuron when there are no specialized vesicles for it, and what keeps NO from traveling further from the releasing neuron?

What will be an ideal response?