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Week 2 Key Terms
N/A
20
Nursing
Not Applicable
10/17/2011

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Term
Gram Stain
Definition
a differential stain that classifies bacteria into two groups, gram-positive and gram-negative
Term
Mordant
Definition
a substance added to staining solution to make fit stain more intensely
Term
Counterstain
Definition
a second stain applied to a smear, provide contrast to the primary stain
Term
Acid-fast stain
Definition
a differential stain used to identify bacteria that are not colorized by acid-alcohol
Term
Capsule
Definition
an outer, vicious covering on some bacteria composed of a polysaccharide or polypeptide
Term
Antibody
Definition
a protein produced by the body in respond to an antigen, and capsule of combining specifically with that antigen
Term
Basic dye
Definition
a salty which the color is in the positive ion; used for bacterial stains
Term
ABO Blood Group System
Definition
the classification of red blood cells based on the presence or absence of A and B carbohydrate antigens
Term
Endoscope
Definition
a resting structure formed inside some bacteria
Term
Flagellum
Definition
a thin appendage from the surface of a cell; used for cellular locomotion; composed of flagellan in prokaryotic cells, composed of nine pairs plus two microtubules in eukaryotic cells
Term
Chromosome
Definition
the structure that carries hereditary information, chromosomes contain genes
Term
Cell membrane
Definition
a selectively permeable membrane that encloses the cytoplasm of a cell. Synonymous with the terms cytoplasmic membrane and plasma membrane
Term
Cell wall
Definition
the outer covering of most bacterial, fungal, algal, and plant cells; in bacteria, it consists of peptidoglycan
Term
Chemotaxis
Definition
in a prokaryotic cell, everything inside the plasma membrane; in a eukaryotic cell, everything inside the plasma membrane and external to the nucleus
Term
Cytoplasm
Definition
in  prokaryotic cell, everything inside the plasma membrane; in a eukaryotic cell, everything inside the plasma membrane and external to the nucleus
Term
Definitive host
Definition
an organism that harbors the adult; sexually mature form of a parasite
Term
Diplococci
Definition
cocci that divide and remain attached in pairs
Term
Diplobacilli
Definition
rods that divide and remain attached in pairs
Term
Endocytosis
Definition
the process by which material is moved into a eukaryotic cell
Term
Centrosome
Definition
region in a eukaryotic cell consisting of a pericentriolar area (protein fibers) and a pair of centrioles; involved in formation of the mitotic spindle
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