| bacterium |
bacteria: (microbiology) single-celled or noncellular spherical or spiral or rod-shaped organisms lacking chlorophyll that reproduce by fission; important as pathogens and for biochemical properties; taxonomy is difficult; often considered plants
출처: wordnet.princeton.edu/perl/webwn
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| bacterium |
Bacteria (singular, bacterium) are a major group of living organisms. They are microscopic and mostly unicellular, with a relatively simple cell structure lacking a cell nucleus, cytoskeleton, and organelles such as mitochondria and chloroplasts. Their cell structure is further described in the article about prokaryotes, because bacteria are prokaryotes, in contrast to organisms with more complex cells, called eukaryotes. ...
출처: en.wikipedia.org/wiki/Bacterium
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| bacterium |
a tiny, single-celled microorganism, commonly known as a germ; some bacteria, called pathogens, cause disease
출처: www.american-depot.com/services/resources_gl_b.asp
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| bacterium |
Microscopic one-celled organism. Cell type lacks a distinct nucleus, sexual recombination, and chlorophyll. Itdoes have cell walls and DNA.
출처: library.thinkquest.org/25368/e_glossary.html
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| bacterium |
Microscopic organisms that lack nuclei and other organelles; pathogenic species cause disease, while nonpathogenic species are harmless.
출처: www.peteducation.com/dict_alpha_listing.cfm
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