section 1

Question 1

1.1

eyepiece/ocular

Answer 1

magnifies

Question 2

1.1

coarse adjustment knob

Answer 2

large focus

Question 3

1.1

fine adjustment knob

Answer 3

tiny focus

Question 4

1.1

revolving nosepiece

Answer 4

allows selection of objective lens

Question 5

1.1

objective lens

Answer 5

magnifies

Question 6

1.1

stage

Answer 6

supports slide

Question 7

1.1

stage clips

Answer 7

hold slide in place

Question 8

1.1

diaphragm

Answer 8

controls amount of lightlam

Question 9

1.1

lamp/mirror

Answer 9

light

Question 10

1.1

arm

Answer 10

connects base to body

Question 11

1.1

base

Answer 11

supports microscope

Question 12

1.2

spontaneous combustion

true or false

Answer 12

aristotle thought live came from non-living matter
(maggots come from raw meats)

FALSE

Question 13

1.2

who proved spontaneous combustion wrong and how

Answer 13

Francis Redi
- covered raw meat in different ways to see the way the maggots formed (cover with cork, gauze, no cover)

Question 14

What were the manipulated, responding, and controlled variables in Redi’s raw meat experiement?

Answer 14

manipulated: covering of container
responding: flies/no flies
controlled: same peice of meat, environment

Question 15

1.2

What was the Louis Pasteur experiement

Answer 15

he used swan neck flasks to prove microbes came from other microbes

flasks allows air to be present but bacteria would settle

Question 16

1.2

What were the manipulated, responding, and controlled variables in Pasteur’s broth experiement?

Answer 16

manipulated: access to the flask
responding: ability to grow microbes
controlled: broth, flask, light..

Question 17

1.2

list the three main points of cell theory

Answer 17

all living things are made up of one or more cells
all living functions take place in the cell
all cells come from preexisting cells

Question 18

1.3

magnification

Answer 18

how many times bigger something appears

1mm appears as 1m under 1000x magnification

Question 19

1.3

resolution

Answer 19

ability to distinguish between 2 objects close together

Question 20

contrast

Answer 20

ability to distingush between 2 objects cuz of their ability to absorb light

Question 21

1.3

staining

Answer 21

most common way to increase contrast

problem: normally kills the organism (yikes)

Question 22

fluoresence

Answer 22

attach fluorscent thing with antigen, let antigen bind with cell, cell glows

Question 23

confocal microscope

note: look at electron microscopes a bit just in case

Answer 23

takes picture of cell at different levels

computer reconstructs into 3d image