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The Microscope

Biology microscope terms

QuestionAnswer
When observing a specimen using the high power or oil immersion objective one should focus with the _____ ______ knob only. Fine Adjustment
The part of the mechanical stage apparatus that holds the slide in position? Stage clips
The part of the microscope that holds the slide in position and enables one to move the slide around the stage? Mechanical stage
The foundation of the microscope? Base
If the specimen is in focus using one objective and requires very little adjustment when switching to another objective, the microscope is described as being? Parfocal
The objective with a magnification of 100x? Oil immersion
The highly resistant cell structures that may be observed as clear structures inside some bacteria? Endospores
The space occurring between the end of the objective and the surface of the slide is called the ______ ______. working distance
The area on the slide observed when looking through the ocular is called the ______ __ ______. Field of view
The ocular has a magnification of __x 10
______ ______ is calculated by multiplying the power of the ocular by the power of the objective in use. Total magnification
Type microscope that utilizes visible light to illuminate the specimen being studied? Light microscope
The microscope should always be carried with? Two hands
If the 10x objective is in use the total magnification is ___x? 100
A long filamentous appendage seen on some bacteria? Flagellum
Curved or helical bacteria? Spirals
A ___ _____ consists of the specimen suspended in fluid beneath a coverslip. wet mount
The objectives are located on the revolving ____ _____. nose piece
The part of the microscope that concentrates the light on the specimen? condenser
A thick, colorless, gelatinous layer occurring around the cell wall of some bacteria? capsule
The part of the microscope that regulates the intensity of light on the specimen? Iris diaphragm
Bacteria are measured in units called? Micrometers
Type of microscope that utilizes electrons to illuminate the specimen being viewed? Electron
Type of microscope that illuminates the specimen in a blackened field? Dark field
Substance that is placed on the slide when focusing with the 100x objective? Immersion oil
The part of the microscope that connects the base with the ocular, revolving nose piece and the stage? Arm
The objective with a magnification of 10x? Low Power
As one increases the magnification the working distance gets _______. Smaller
The cylinders located on the revolving nose piece that contain lenses of various magnifications are called _________. Objectives
The _____ _________ knob is used first when focusing with the scanning or low power objectives. course adjustment
The "comma" shaped bacterium? Vibrio
Position in which the stage should be placed before storing the microscope? Down
The part of the microscope that is also called the eyepiece? Ocular
The part of the microscope on which the slide is placed for observation? Stage
Before storage the ________ objective should be placed in using position Scanning
Immersion oil prevents the ________ of light? Refraction
Before increasing the magnification, the object to be viewed should be placed in the ______ of the field. Center
Objective with a magnification of 40x? Scanning
The low power objective has a magnification of __x? 10
The high power objective has a magnification of __x? 40
The lenses of the microscope should be cleaned with ____ _____ only. Lens paper
A round or spherical bacterium? Coccus
An elongated or rod shaped bacterium? Bacillus
The scanning objective has a magnification of __x. 4
The total magnification when using the scanning objective is __x. 40
The type of microscope that utilizes two sets of magnifying lenses? Compound microscope
Created by: DestinyHoule
 

 



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