The discovery of the nature of the Philadelphia chromosome in myelogenous leukemia represents

A. a chromosome aberration that is secondary to the cancer.
B. an aberration that is caused by the development of cancer.
C. a translocation that is a chance event.
D. a specific chromosome aberration accompanying a specific cancer.
E. evidence of exposure to chemical carcinogens.


D

Biology & Microbiology

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What is one consequence of long-term exposure to carbon monoxide, found in environmental tobacco smoke?

A) damage to hemoglobin B) protection from bronchitis C) higher-than-average birth weights of babies born to smoking mothers D) diminished brain function in infants and children

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The term for the use of microorganisms to restore damaged environments is

A) epidemiology. B) bioremediation. C) chemotherapy. D) serology. E) ecology.

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"Bacterial transformation" is a bacterium's ability to:

A) produce restriction enzymes. B) connect DNA fragments once they are cut with restriction enzymes. C) produce proteins from another organism's genes. D) take up DNA from its surroundings.

Biology & Microbiology