The brain displays a degree of plasticity, which is an ability to genetically remodel in response to the demands placed on it
a. True
b. False
Indicate whether the statement is true or false
False
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Exposure of the skin to ultraviolet light
A) can result in increased numbers of melanocytes forming in the skin. B) can result in decreased melanin production by melanocytes. C) can cause destruction of vitamin D3. D) can increase melanocyte activity. E) has no effect on the skin cells.
Name the effectors of the ANS
A) skeletal muscle, cardiac muscle, and smooth muscle B) skeletal muscle only C) cardiac muscle, smooth muscle, glands, and adipose tissue D) cardiac muscle and smooth muscle E) glands and adipose tissue
The ____________________ vertebra is called the axis.
Fill in the blank(s) with the appropriate word(s).
You are a student intern in the research and development department of a pharmaceutical company. You have discovered a compound that destroys the common cold virus in cultured human cells. Chemical characterization reveals that carbon, hydrogen, and oxygen are present, in a 20:40:4 ratio of C:H:O. What chemical class is this compound? Experiments in rats show that neither oral nor injectable
treatment with the compound was effective in destroying the virus. Discuss some possible reasons for this lack of effectiveness. What will be an ideal response?