Chromosomes consist of large, double-stranded molecules of ____

When Roy first received a new toy, he played with it all the time. The longer he had it, the less he played with it. This change in Roy's behavior is an example of

a. habituation. c. an orienting response. b. differentiation. d. priming.

Which of the following is an example of assisted suicide?

a. Instructing a terminally ill patient on what household chemicals to mix together to create a deadly gas b. Injecting someone with a lethal dose of a drug that he or she is already taking c. Withholding medical treatment for a chronic disorder d. Removing someone from a respirator when brain activity is nonexistent