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Biology Lab II > Exercise 1 > Flashcards

Exercise 1 Flashcards

1
Q

The amount that the image of an object is enlarged

A

Magnification

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2
Q

Extent to which object detail in an image is preserved during the magnifying process

A

Resolving power

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3
Q

The degree to which image details stand out against their background

A

Contrast

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4
Q

What do lenses do?

A

Focus radiation emanating from a specimen to produce the image of that specimen and on a surface sensitive to the radiation

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5
Q

The maximum useful magnification on a light microscope

A

1000x

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6
Q

Dyes

A

Usually added to sections of biological specimens to increase contrast

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7
Q

Eyepiece

A

Ocular(s)

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8
Q

Look like mini telescopes

A

Objectives

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9
Q

Function: magnifying

A

Objective

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10
Q

Knobs on side of scope

A

Focusing knobs

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11
Q

Bring slide into focus

A

Focusing knobs

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12
Q

Holds slide

A

Stage

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13
Q

2nd lends below the stage

A

Condensed

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14
Q

Focus light on the slide

A

Condenser

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15
Q

Circular glass on base

A

Light source

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16
Q

Provide light to see slide

A

Light source

17
Q

Objective Magnifying Power (ObMP) for low microscope

A

4x

18
Q

Objective Magnifying Power (ObMP) for medium microscope

A

10x

19
Q

Objective Magnifying Power (ObMP) for high dry microscope

A

40x

20
Q

Objective Magnifying Power (ObMP) for oil immersion microscope

A

100x

21
Q

Total Magnifying Power for low power microscope

A

40x

22
Q

Total Magnifying Power for medium power microscope

A

100x

23
Q

Total Magnifying Power for high dry microscope

A

400x

24
Q

Total Magnifying Power for oil immersion microscope

A

1000x

25
Q

Numerical aperture (NA) for low power microscope

A

0.10

26
Q

Numerical aperture (NA) for medium power microscope

A

0.25

27
Q

Numerical aperture (NA) for high dry microscope

A

0.65

28
Q

Numerical aperture (NA) for oil immersion microscope

A

1.25

29
Q

Was the image right side up or upside down compared to the specimen?

A

Upside down

30
Q

The image is ______ with respect to the specimen

A

Inverted

31
Q

Shape of the renal corpuscles

A

Round

32
Q

Shape of the nephron tubules

A

Oval

33
Q

Increases resolving power by using electrons in a vacuum and magnetic lenses instead of light and glass lenses

A

Transmission electron

34
Q

Preservation of greater specimen detail allows for magnifications up to 1,000,000x more

A

Transmission electron

Biology Lab II (4 decks)

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