Which gas is increasing in the atmosphere and

intensifying the greenhouse effect?
a. carbon dioxide
b. carbon monoxide
c. ozone
d. nitrogen
e. oxygen


Answer: a

Biology & Microbiology

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Contrast prokaryotic and eukaryotic regulation of gene expression

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A disease that is transferred by direct intimate contact with a mortality rate over 90% would be an effective biological weapon

Indicate whether the statement is true or false.

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Answer the following statements true (T) or false (F)

1. CSF specimens should be refrigerated en route to the Clinical Microbiology Laboratory. 2. There is no need to refrigerate urine specimens for culture if they are clean-catch midstream specimens. 3. Many clinical specimens labeled “sputum” are actually saliva specimens. 4. The Clinical Microbiology Laboratory is part of the Clinical Pathology Division of the Pathology Department. 5. ?-Lactamase testing is always performed on isolates of Neisseria gonorrhoeae and Haemophilus influenzae.

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The mechanism of DNA replication is

A. conservative. B. intermediate. C. semiconservative. D. dispersive. E. complementary.

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