The chances of becoming addicted are the same regardless of how old a person is when he or she first starts using a drug.

Which of these is the best illustration of the staircase model of how someone becomes a terrorist?

a) They undergo a specific training regimen in which knowledge of how to commit terrorist acts is passed along in a slow but methodical manner. b) The model suggests that, over time, fewer behavioral alternatives are available to people as they develop feelings of relative deprivation, especially in comparison to Western images. c) Those who become terrorists move from a disruptive childhood to membership in gangs, and then to terrorist cells after being indoctrinated into the tenets of the terrorist movement. d) Terrorists generally use the existing educational system in the West to learn techniques they need to spread terrorism, so the staircase refers to the levels of the typical educational system.

There are ______ genes in the nucleus of a human body cell

a. 1,000 c. 20,000 to 25,000 b. 5,000 to 10,000 d. over 1,000,000