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50 Cards in this Set

  • Front
  • Back

deals with the study of tiny living organisms

Microbiology

an optical instrument that is used to enlarged small objects

Compound Microscope

2 Lens System

Objective lens


Ocular lens / Eye piece

total Magnification

ocular lens ×× objective

refers to the ability of the lenses to distinguish two separate objects at a specified distance

Resolution

3 Parts of a Microscope

Mechanical


Magnifying


Illuminating

Mechanical Parts of a Microscope

base


arm


body tube


revolving nosepiece


course&fine adjustment

Magnifying Parts of a Microscope

Ocular Lens


Objectives

Kinds of Objectives

Low Power Objective (LPO)


High Power Objective (HPO)


Oil Immersion Objective (OPO)

Illuminating parts of a Microscope

Mirror


Diaphramn


Condenser

Cocci

spherical/violet

Algae

Green

Fungi

filamentous/blue

Virus

Green

ciliates

irregular shape/grayish

Yeast

oval/colorless/transparent

Spore

cell body/blue

flagella

red

Major Parts of Microorganism

Acellular


Cellular

Acellular

Virus


Prions


Viroids

Cellular

Prokaryotes Eukaryotes

Prokaryotes

Archaea Bacilli Cyanbacteria


Eukaryotes

Algae Bacteria Protozoa

the nutrient preperation for culturing microbes

Media

Solodifying Agent

Agar

Cultured Agar

Agar broth deep slant plate

Kinds of Sterilizing

autoclaving


dry heat sterilization


UV radiation

Aseptic Transfer

Sterilizing - Autoclaving


Inoculating Loop/needle

salts that are acidic , basic , and neutral

Stains

one of the ions that impart color

chromophore

cytoplasmic stains

Acidic dyes

have ni chromophore that is positively charge

basic/nuclear stains

mixture of acidic and basic stain

Neutral stain

Kinds of Staining

Simple Stains


Differential Stains


Special Stains

use a single/basic dye to color/highlight the entire organism

Simple Stains

use to determine the reaction of bacteria to a particular stain

Differential Stains

used to color a specific part of a microorganisms (ex. endospores , flagellum , capsule)

Special Stains

Prepared Slide

Smear

it classifies bacteria into two groups

Gram Staining

Gram staining

1884 Hans Christian Gram

Gram + (color)

crystal violet

Gram - (color)

Red

Ex. of Gram +

Bacillus


Clostriduim


Corynebacterium

Ex. of Gram+

Borrelia


Enterobacta


Escherichia

it is more complex; more reliable observation of motility

Hanging Drop

tends to dry quickly ; simplier to perform

Wet mount

useful for short term observation

Wet mount

useful for longer-term observation

Hanging drop

vibrate ; move little

Brownian Motion

move ⬆⬇⬅➡↗↖↘↙

True motility