cell components

Question 1

light microscope

magnification
resolution

Answer 1

mag - x2000

res - 200nm

Question 2

electron microscope

magnification
resolution

Answer 2

mag - x500,000

res - 0.3-10 nm

Question 3

scanning electron microscope

image
magnification
resolution

Answer 3

3D image

mag- x200,000

res - 3-10nm

Question 4

transmission electron microscope

image
magnification
resolution

Answer 4

2D image black and white

mag - x2,000,000

res - 0.5nm

Question 5

resolution

Answer 5

ability to distinguish between 2 points and view individual objects as separate entities

Question 6

magnification

Answer 6

how much bigger an object appears compared to the original object

Question 7

fluorescence

Answer 7

the absorption and re-radiation of light

Question 8

sample preparation method

depends on…

1)
2)

Answer 8

1) nature of specimen

2) resolution

Question 9

why differential staining?

Answer 9

1. Creates contrast
2. Highlights specific features in cell
3. Highlights structures/ cells
4. Produces a better/ clearer image

Question 10

cells

Answer 10

basic unit of living matter

Question 11

ultrastructure

Answer 11

fine structure within a cell, viewed at high magnifications