Which of the following is an accurate description of the plasma membrane?
A) It is a phospholipid bilayer embedded with proteins.
B) It is permeable to all substances.
C) It is a solid material.
D) It separates the nuclear contents from the environment.
Answer: A
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In the presence of water, nonpolar associations form between molecules or regions of molecules that
are ____.
a. partially charged b. hydrophobic and hydrophilic c. hydrophobic d. fully charged e. hydrophilic
Which term is given to the total genetic information carried by all members of a population?
A) breeding unit B) genome C) gene pool D) race E) chromosome complement
How are species-area relationships traditionally plotted?
A. on a log-linear plot B. on a bar graph. C. on a log-log plot D. on a linear plot E. as a function of distance
List the similarities and differences between the functions of the chloroplasts and mitochondria. Include the
identification of specific structures in your comparison. What will be an ideal response?