TLS Online TPP Program

#Question id: 20258


Glycine betaine appears to be the regulation of intracellular water activity; under water stress, they may induce the formation of 

#Unit 12. Applied Biology
  1. Weak H-bonded water around proteins
  2. Strong H-bonded water around proteins
  3. Weak H-bonded water around lipids
  4. Strong H-bonded water around lipids
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TLS Online TPP Program

#Question id: 11579

#Unit 7. System Physiology – Animal

In response to stress, the adrenal gland promotes the synthesis of glucose from noncarbohydrate substrates via the action of the steroid hormone ________.

TLS Online TPP Program

#Question id: 11580

#Unit 7. System Physiology – Animal

Melatonin is secreted by the ________.

TLS Online TPP Program

#Question id: 11581

#Unit 7. System Physiology – Animal

DES is called an "endocrine disrupting chemical" because it interferes with the endocrine secretions of the ________.

TLS Online TPP Program

#Question id: 11582

#Unit 7. System Physiology – Animal

Following a stressful stimulus, the fight-or-flight response will cause ________.

TLS Online TPP Program

#Question id: 11583

#Unit 7. System Physiology – Animal

Use the figure to answer the following question.


In an experiment, rats' ovaries were removed immediately after impregnation, and then the rats were divided into two groups. Treatments and results are summarized in the table. The results most likely occurred because progesterone exerts an effect on the ________.

TLS Online TPP Program

#Question id: 11584

#Unit 7. System Physiology – Animal

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?