5. Which of these is not a neurotransmitter?

A) Acetylcholine

B) Epinephrine

C) Norepinephrine

D) Histamine

E) Serotonin

Which organ of the human body passes nutrients from food to the blood? A gall bladder B stomach C small intestine D kidney

Which important complex is formed due to complimentary binding at the enzyme active site? Enzyme product complex Enzyme substrate complex Substrate product complex

What is the major energy-carrying molecule in the cell?

What type of contamination that occurs on scene and is accomplished by first responders?

Which region of your brainstem plays a role in arousing you to a state of alertness when, for example, you accidentally stumble over another person's misplaced pair of shoes?

What is the function of a nucleus in a cell the nucleus A. controlls the cells activity B. the nucleus identifies the cell as belonging to a plant C. the nucleus determines what substances enter and leave the cell D.

Which best describes emerging scientific ideas? a. never been tested b. unpublished c. supported by most, but not all, scientists d. not studied by many scientists

A sonic boom is produced by a jet. What can you determine about the jet's motion? a) It is near a mountain where echos can be produced b) Its engines produced backfire c) It is increasing in altitude d) It is traveling faster than the speed of

What happens when someone dies?

As the mass of an object increases, so does its gravitational force. true or false