Lab 3

Question 1

Stage

Answer 1

Support slide to view

Question 2

Aperture

Answer 2

Light passes through

Question 3

Stage clip

Answer 3

Holds 🛝 in place

Question 4

Mechanical stage

Answer 4

Hold slide and control movement

Question 5

Mechanical stage control knobs

Answer 5

1 knob : slide backward & forward
2 knob: right & left

Question 6

Condenser

Answer 6

Focus light on specimen

Question 7

Iris diaphragm lever

Answer 7

Control amount light passing through

Question 8

Coarse adjustments knob

Answer 8

Use @ low magnification to focus on specimen

Question 9

Fine adjustment knob

Answer 9

Precise focus

Question 10

Oscula’s lens

Answer 10

Eye piece viewing specimen

Question 12

Nose piece

Answer 12

Changes objective lenses

Question 13

Objective lens

Answer 13

Different lens

Question 14

Resolution

Answer 14

Different between 2 objects together

Question 15

Contrast

Answer 15

Distinguish object in background

Question 16

Field of view

Answer 16

Microscope field decrease with increase magnification

Question 17

Working distance

Answer 17

Distance between objective lens to specimen

Question 18

Parfocal lens

Answer 18

Lens in focus when magnification changes

Question 19

How to determine field diameter

Answer 19

Use low magnification

Question 20

Field diameter formula

Answer 20

Diameter of field A x total magnification of field A/ total magnification of field B

Question 21

Mitosis

Answer 21

➗ cell into 2 daughter cells

Question 22

Meiosis

Answer 22

Cell ➗ of sperm & egg

Question 23

Interphase

Answer 23

G0, G1, S phase , G2

Question 24

Cytokinesis

Answer 24

Cytoplasm ➗ 2 daughter cells

• late anaphase
• end of cell ➗

Question 25

Function of prophase , metaphase, anaphase & telophase

Answer 25

Cell reproduction, growth & repair