Coccus - Wikipedia, the free encyclopedia
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Cocci (singular - coccus , from the Latin coccinus (scarlet) and derived from the Greek kokkos (berry) ) are any microorganism (usually bacteria) whose overall shape is spherical or nearly sphe...
en.wikipedia.org/wiki/Coccus
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Gram-negative bacteria - Wikipedia, the free encyclopedia
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Gram-negative bacteria are those bacteria that do not retain crystal violet dye in the Gram staining protocol. In a Gram stain test, a counterstain (commonly safranin) is added after the crystal viol...
en.wikipedia.org/wiki/Gram-negative_bacteria
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Britannica online encyclopedia article on coccus (bacterial shape), in microbiology, a spherical-shaped bacterium. Many species of bacteria have characteristic arrangements that are useful in identification. Pairs of cocci are called diplococci; ... CREATE MY coccus NEW DOCUMENT ... There are many different species of bacteria.
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www.britannica.com/EBchecked/topic/123500/coccus
www.britannica.com/EBchecked/topic/123500/coccus
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Printed in U.S.A. Gram Characteristics and Wall Ultrastructure of; Arthrobacter crystallopoietes During; Coccus-Rod Morphogenesis; C. M. WARD, JR.,' AND G. W. CLAUS; Department of Microbiology, The Pennsylvania State University, University Park, ... Bar markers represent 1 gm. of gram-positive bacteria (Fig. 2 and 3).
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jb.asm.org/cgi/reprint/114/1/378.pdf
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The few characteristics determined suggested that the groups of cellulolytic bacteria isolated by; Bryant and Burkey (1953a) corresponded to those isolated by Hungate (1950). Detailed studies indicated that one group was Bacteroides suc-cinogenes;
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jb.asm.org/cgi/reprint/76/5/529.pdf
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A table of the staining characteristics for some common bacteria of medical importance is given below. Note that for cocci, it is not just the shape and colour of the individual bacterial cells that is important, but the way that all these cells group together too.
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www.microbiologybytes.com/iandi/3a.html
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Bacteria are grouped in a number of different ways. Most bacteria are of one of three typical shapes—rod-shaped (bacillus), round (coccus, ... The cytoplasm and plasma membrane of most bacterial cells are surrounded by a cell wall; further classification of bacteria is based on cell wall characteristics (see Gram's stain).
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www.factmonster.com/ce6/sci/A0856807.html
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Bacteria are grouped in a number of different ways. Most bacteria are of one of three typical shapes—rod-shaped (bacillus), round (coccus, e.g., streptococcus), and spiral (spirillum). An additional group, vibrios, appear as incomplete spirals. ... Related content from HighBeam Research on: bacteria: Characteristics...
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www.infoplease.com/ce6/sci/A0856807.html
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The coccus portion of these transition cells was gram positive and bound by a gram-positive ... characteristic of most gram-negative bacterial cell walls, ...
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www.ncbi.nlm.nih.gov/pmc/articles/PMC251776/
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