Micro Vocab Chap 3

A thin film of material containing microorganisms, spread over the surface of a slide

A method of staining a microorganism with a single basic dye

A stain that distinguishes objects on the basis of reactions to the staining procedure

A differential stain that classifies bacteria into two groups, gram-positive and gram-negative

Bacteria that retain their purple color after the decolorizer step in a Gram stain

Bacteria that lose their purple color after the decolorizer step in a Gram stain

A unit of measurement equal to 10-6 meters

A unit of measurement equal to 10-9 meters

An instrument with two sets of lenses that uses visible light as the source of illumination

The magnification of a microscopic specimen, determined by multiplying the ocular lens magnification by the objective lens magnification

The ability to distinguish fine detail with a magnifying intsrument

The relative velocity with which light passes through a substance

A microscope that uses an ultraviolet light source to illuminate specimens that will flouresce

A microscope that uses electrons instead of light to produce an image

An electron microscope that produces high magnifications (10,000 - 100,000X) of thin sections of a specimen

An electron microscope that provides three dimensional views of the specimen magnified 1000-10,000X

Colorizing a sample with a dye to view through a microscope or to visualize specific structures

In slide preparation, the process of attachng a specimen to a slide

A differential stain used to identify baceria that are not decolorized by acid-alcohol