Straigherline Bio 201 Exam2

Straigherline_Bio_201_Exam2
Question1
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The number of atoms in exactly 12 grams of carbon­12 is called Select one:
a. Dalton's number.



b. Socrates's number.

c. Avogadro's number.



d. Pasteur's number.

e. Le Chatelier's number.


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The correct answer is: Avogadro's number.


Question2
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Lipids Select one:
a. are subunits of carbohydrates.



b. serve as buffers.

, c. are an important component of cell membranes.



d. tend to be water soluble.

e. are polarized.


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The correct answer is: are an important component of cell membranes.


Question3
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Substances dissolved in the liquid portion of a solution are called Select one:
a. solutes.



b. solvents.



c. catalysts.

d. osmoles.

e. insoluble.


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The correct answer is: solutes.


Question4
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