Microscope

Question 0

Light microscope

Answer 0

Produces magnified images by focusing visible light rays
Produces clear images of objects out of a magnification of about 1000 times
Cant produce clear images of objects smaller than 2 micrometers

Question 1

Microscope

Answer 1

A device that produces magnified images of structures that are to small to see with the unaided eye

Question 2

Exp. of a light microscope

Answer 2

Compound microscope

Question 3

Compund microscope

Answer 3

Allows light to pass through the specimen

Uses 2 lenses to form an image

Question 4

Techniques and procedures to make light microscopes more useful.

Answer 4

Chemical stains (dyes)
Fluorescent dyes

Question 5

Chemical stains

Answer 5

Show specific structures of a cell (blues and reds)

Question 6

Fluorescent dyes

Answer 6

Have been combined with video cameras and computer processing to product moving 3d images of a cell movement

Question 7

Electron microscope

Answer 7

Produce magnified images by focusing beams of electrons instead of light.
Require a vacuum to operate so you must use preserves and dehydrated specimen (no living cell)

Question 8

Types of electron microscope

Answer 8

Transmission electron microscope (TEM)
Scanning electron microscope
(SEM)

Question 9

Transmission electron microscope

Answer 9

Shine a beam of electrons through a thin specimen gives details inside the cell

Question 10

Scanning electron microscope

Answer 10

Scan a narrow beam of electrons back and forth across the surface of a specimen
Produce realistic, dramatic, 3d images of the surface object