Polar bodies
a. are dumping places for excess genetic
material.
b. have no known biological function.
c. are produced by meiosis.
d. will serve as the gametes if something
happens to the egg.
e. all of these are true EXCEPT "will serve as
the gametes if something happens to the
egg."
E
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The enzymatic activity of a telomerase is best described as a
A) polymerase. B) ligase. C) topoisomerase. D) reverse transcriptase. E) exonuclease.
Differential centrifugation is a process that:a
separates different components of the cell that function differently. b. separates components of the cell that have a different chemical makeup. c. analyzes the chemical components of the cell. d. separates components of the cell that have different densities. e. allows researchers to view the contents of the cells
The food group that includes buns, crackers, pancakes, pasta, and tortillas is
A. vegetables. B. grains. C. dairy products. D. meat and beans.
From the time of the industrial revolution until about 50 years ago, the human population growth rate most closely resembles:
A) linear growth. B) fluctuating increases and decreases, with overall slow growth. C) exponential growth. D) variable, unpredictable growth.