Microcheck 101

Taxonomy consists of three interrelated areas: identification, classification, and nomenclature. In clinical laboratories, identifying the genus and species of an organism is more important than understanding its evolutionary relationship to other organisms.

■ Why is it generally easier to determine the cause of pneumonia than it is to determine the cause of a wound infection?

■ Why do microbiologists prefer the three-domain system of classification?

■ Some biologists have been reluctant to accept the three-domain system. Why might this be?

Organic Gardeners Composting

Organic Gardeners Composting

Have you always wanted to grow your own vegetables but didn't know what to do? Here are the best tips on how to become a true and envied organic gardner.

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