Atomic force microscopes use a scanning probe that maintains a fixed distance from the surface of the specimen. It is useful for specimens that ________.

A. neither do not conduct electricity well nor have extremely uneven surfaces is correct
B. both do not conduct electricity well and have extremely uneven surfaces are correct
C. do not conduct electricity well
D. have extremely uneven surfaces


Answer: C

Biology & Microbiology

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Answer the following statement(s) true (T) or false (F)

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Molecules or regions of molecules that readily interact with water are said to be ________, whereas molecules or regions of molecules that are insoluble in water or do not readily interact with water are said to be hydrophobic.

Fill in the blank(s) with the appropriate word(s).

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_____________________ can be defined as compulsive and repetitive behavior which can lead to impairment. Fill in the blank(s) with the appropriate word(s)

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A man who does not suffer from sickle-cell anemia but is a carrier of the sickle-cell trait is married to a woman who is also a carrier for the sickle-cell trait. If they have a child, there is a ____ probability of that child suffering from sickle-cell anemia. 

A. 0% B. 25% C. 50% D. 100%

Biology & Microbiology