The hole in the ozone layer is most dramatic over ____
a. Antarctica
b. North America
c. Asia
d. Europe
e. Africa
ANSWER: a
Biology & Microbiology
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Describe the location of the two major ventral body cavities.
What will be an ideal response?
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Flagellated sperm and a sporophyte that is dependent on the gametophyte are characteristics of
A. gymnosperm. B. lycophytes. C. moss. D. ferns. E. angiosperm.
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Enzyme molecules require a specific shape to perform their catalytic function. Which of the following might alter the shape of an enzymatic protein?
A. denaturing the protein B. a change in salt concentrations or pH C. heating the protein D. mixing in a chemical that removes hydrogen bonds E. all of the above
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Fish are considered a nonrenewable resource.
Answer the following statement true (T) or false (F)
Biology & Microbiology