Microbiology Chapter 3

25問 • 12ヶ月前

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通報

問題一覧

Micorganism are measures through?

micrometers

Methods of studying microorganisms?

magnification , enlargement of image , convex lens , refract image of lights

Select all that apply; Resolution is _____?

distinguish between two points , reflective index; the measure of light

Select all that apply; Contrast is _____?

Absorption varies light intensity , speciements absorb light

What is staining?

coloring the microorganism with a dye that emphasizes a structure

What are stains composed of?

salts that have positive and negative ions

Acidic dyes have which type of ions?

anions

Basic dyes has which type of ions?

Cation

What is negative staining? Select all that apply

preparing colorless bacteria against a colored background , it dyes the color background

What does negative staining observe? Select all that apply?

cell shapes , size , capsules

What are simple stains?

Makes cells visible with one dye

What is a Gram stain?

To identify Bacteria

True or False Bacteria that loose the color after decolonization are gram-negative bacteria?

true

True of false if bacteria turns blue then it is a positive gram stain?

False

True or False All bacteria will react with gram stains?

false

gram stains are ____

differential

Acid-Fast Stains are _____

differential

Acid-Fast stains binds strongly to bacteria that have a ____ material cell in the wall

waxy

Cells that retain basic stain in the presence of acid-alcohol are called

acid-fast

How do non-acid fast cells lose basic stain?

when rinsed with acid-alcohol

Special stains are used to color parts of microorganism such as____? Select all that apply

flagella , endospores , negative

True of False Negative staining is not useful for capsules?

False

Endospore require what to drive a stain?

heat

What does flagella require to make it wide enough to see

mordant

True or false can be stained by ordinary methods

False

Microbiology Chapter One

ユーザ名非公開 · 53問 · 12ヶ月前

Microbiology Chapter One

53問 • 12ヶ月前

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Microbiology Exam 2 Study Quiz 1-4

ユーザ名非公開 · 40問 · 11ヶ月前

Microbiology Exam 2 Study Quiz 1-4

40問 • 11ヶ月前

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Microbiolgy Exam 2 Clicker Question

ユーザ名非公開 · 25問 · 11ヶ月前

Microbiolgy Exam 2 Clicker Question

25問 • 11ヶ月前

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Microbiology Exam 3 Study Quizes 1-6

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Microbiology Exam 3 Study Quizes 1-6

41問 • 10ヶ月前

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Clicker Question Exam 3

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Clicker Question Exam 3

28問 • 10ヶ月前

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Microbiology Clicker question for Exam 4

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Microbiology Clicker question for Exam 4

69問 • 9ヶ月前

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Microbiology Exam 4 Chp 14

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Microbiology Exam 4 Chp 14

59問 • 9ヶ月前

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Microbiology Exam 4 Chp 15

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Microbiology Exam 4 Chp 15

50問 • 9ヶ月前

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Microbiology Chapter 16

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Microbiology Chapter 16

31問 • 9ヶ月前

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Microbiology Chapter 17

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Microbiology Chapter 17

23問 • 9ヶ月前

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Microbiology Exam 5 Clicker Question

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Microbiology Exam 5 Clicker Question

38問 • 8ヶ月前

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Microbiology Review Question

ユーザ名非公開 · 6問 · 8ヶ月前

Microbiology Review Question

6問 • 8ヶ月前

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問題一覧

Micorganism are measures through?

micrometers

Methods of studying microorganisms?

magnification , enlargement of image , convex lens , refract image of lights

Select all that apply; Resolution is _____?

distinguish between two points , reflective index; the measure of light

Select all that apply; Contrast is _____?

Absorption varies light intensity , speciements absorb light

What is staining?

coloring the microorganism with a dye that emphasizes a structure

What are stains composed of?

salts that have positive and negative ions

Acidic dyes have which type of ions?

anions

Basic dyes has which type of ions?

Cation

What is negative staining? Select all that apply

preparing colorless bacteria against a colored background , it dyes the color background

What does negative staining observe? Select all that apply?

cell shapes , size , capsules

What are simple stains?

Makes cells visible with one dye

What is a Gram stain?

To identify Bacteria

True or False Bacteria that loose the color after decolonization are gram-negative bacteria?

true

True of false if bacteria turns blue then it is a positive gram stain?

False

True or False All bacteria will react with gram stains?

false

gram stains are ____

differential

Acid-Fast Stains are _____

differential

Acid-Fast stains binds strongly to bacteria that have a ____ material cell in the wall

waxy

Cells that retain basic stain in the presence of acid-alcohol are called

acid-fast

How do non-acid fast cells lose basic stain?

when rinsed with acid-alcohol

Special stains are used to color parts of microorganism such as____? Select all that apply

flagella , endospores , negative

True of False Negative staining is not useful for capsules?

False

Endospore require what to drive a stain?

heat

What does flagella require to make it wide enough to see

mordant

True or false can be stained by ordinary methods

False