Chapter 4

Question 1

Simple staining

Answer 1

Single dye
Shape

Question 2

Different staining

Answer 2

Two or more dyes
Gram staining

Question 3

Special staining

Answer 3

Simple or diff stains used for specific microbial structures
Capsule stain endospore

Question 4

Smaller wavelength

Answer 4

Better magnification

Question 5

what does Refracts mean?

Answer 5

Bending

Question 6

What is the formula to mesure light

Answer 6

550/2(n)

Question 7

What is the purpose of staining?

Answer 7

Helps the bacteria to stand out

Question 8

Resolution increases what?

Answer 8

Increase the magnification, the resolution improves but the revolving # gets smaller

Question 9

what does Resolving power mean?

Answer 9

Number assigned to the quality
550/2(nm)

Question 10

What is oil immersion used for?

Answer 10

Reduces light bending

Question 11

Darkfield light

Answer 11

Visible light to observe colorless specimens against a black background

Question 12

what is a Phase contrast light microscope?

Answer 12

Sees surface feature cells
Staining is not required
Living organisms can be observe

Question 13

Fluorescences microscopy

Answer 13

Uses Uv light
Killed specimen

Question 14

Electron microscopy

Answer 14

Provides 3d view

Question 15

Principles of staining

Answer 15

Dyes are salts- cations +anions

Question 16

the function of Direct staining?

Answer 16

Stains itself

Question 17

Indirect staining does what?

Answer 17

Stains the background

Question 18

What is the job of an endospore stain?

Answer 18

Highlights the presence of the endospore