Bacteria - Law Dictionary Search Results
Home Dictionary Name: bacteriaBacterium
A microscopic single celled organism having no distinguishable nucleus belonging to the kingdom Monera Bacteria have varying shapes usually taking the form of a jointed rodlike filament or a small sphere but also in certain cases having a branched form Bacteria are destitute of chlorophyll but in those members of the phylum Cyanophyta the blue green algae other light absorbing pigments are present They are the smallest of microscopic organisms which have their own metabolic processes carried on within cell membranes viruses being smaller but not capable of living freely The bacteria are very widely diffused in nature and multiply with marvelous rapidity both by fission and by spores Bacteria may require oxygen for their energy producing metabolism and these are called aerobes or may multiply in the absence of oxygen these forms being anaerobes Certain species are active agents in fermentation while others appear to be the cause of certain infectious diseases The branch of science with ...
Verbarmycoderma
One of the forms in which bacteria group themselves a more or less thick layer of motionless but living bacteria formed by the bacteria uniting on the surface of the fluid in which they are developed This production differs from the zooumlgloeliga stage of bacteria by not having the intermediary mucous substance...
blue green alga
any of a group of photosynthetic microorganisms possessing characteristics of both bacteria and plants When classed as bacteria they are assigned to the Cyanobacteria when classed as plants they are assigned to the Cyanophyta They are now known to be prokaryotic and are usually called cyanobacteria in technical contexts See cyanobacterium...
Chemosynthesis
Synthesis of organic compounds by energy derived from chemical changes or reactions Chemosynthesis of carbohydrates occurs in the nitrite bacteria through the oxidation of ammonia to nitrous acid and in the nitrate bacteria through the conversion of nitrous into nitric acid...
cyanobacterium
any of a group of photosynthetic autotrophic prokaryotic microorganisms possessing characteristics of both bacteria and plants When classed as bacteria they are assigned to the Cyanobacteria when classed as plants they are assigned to the Cyanophyta They were earlier named blue green algae a term less used now in technical discussions Since the chlorophyll within the cyanobacteria is diffused throughout the cell rather than being contained in chloroplasts they are no longer thought of as true plants...
Penicillinase
An enzyme which destroys the antibacterial activity of penicillin by hydrolyzing the amide bond in the beta lactam ring Many penicillinases are known and are produced by a wide variety of bacteria The production of penicillinase is one of the mechanisms by which bacteria may become resistant to penicillins Penicillinase production in various bacterial species may be induced ie it may occur only when stimulated by the presence of penicillin in the culture medium or it may be constitutive ie it may occur whenever the cells are producing protein Molecular weights of the various penicillinases tend to cluster near 50000...
bacteremia
The presence of bacteria in the blood...
Bacteria
See Bacterium...
Bacterial
Of pertaining to or caused by bacteria...
Bactericidal
Destructive of bacteria...
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