Use the bar graph to answer the following question.

People who suffer from chronic fatigue syndrome (CFS) experience ongoing, debilitating fatigue. In one study, cortisol levels in the saliva during the first hour after waking were measured and compared between CFS patients and people without CFS (controls). The data is summarized in the graph. What can you infer from the data?

#Question id: 3479

#Unit 11. Evolution and Behavior

Which of the following could be classified as habituation?

A) You enter a room and hear a fan motor. After a period of time, you are no longer aware of the motorʹs noise.

B) You hear a horn while driving your car. You step on the brakes but notice the sound came from a side street. You resume your previous speed.

C) One morning you awake to a beep-beep-beep from a garbage truck working on a new early morning schedule. The next week the garbage truck arrives at the same time and makes the same noise, but does not wake you up.

#Question id: 1839

#Unit 4. Cell Communication and Cell Signaling

The first production of live but non-virulent forms of chicken cholera bacillus was achieved by:

#Question id: 4480

#Unit 3. Fundamental Processes

The reason for TBP’s unorthodox recognition mechanism is

#Question id: 490

#Unit 1. Molecules and their Interaction Relevant to Biology

Which one of the following statements about gluconeogenesis is false?

#Question id: 10396

#Unit 6. System Physiology – Plant