Approximately how many base pairs are still improperly matched in the bacterial genome after the DNA polymerase proofreads the DNA strand?
A. 1 in a billion
B. 1 in 1,000,000
C. 1 in 10,000
D. 1 in 100,000,000
E. 1 in 100,000
Answer: D
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Cyclosporiosis is transmissable from person to person
Indicate whether this statement is TRUE or FALSE.
Animals with a body cavity located between the mesoderm and endoderm are ________.
Fill in the blank(s) with the appropriate word(s).
A child dies following a series of chronic bacterial infections. At the autopsy, the physicians are startled to see that the child's white blood cells are loaded with vacuoles containing intact bacteria. Which of the following explanations could account
for this finding? A) A defect in the Golgi apparatus prevented the cells from processing and excreting the bacteria. B) A defect in the rough endoplasmic reticulum prevented the synthesis of the antibodies (defensive proteins) that would have inactivated the bacteria. C) A defect in the cell walls of the white blood cells permitted bacteria to enter the cells. D) A defect in the lysosomes of the white blood cells prevented the cells from destroying engulfed bacteria.