Unit 3: Cells

Question 1

1

Answer 1

Eyepiece

Question 2

2

Answer 2

Arm

Question 3

3

Answer 3

Coarse adjustment

Question 4

4

Answer 4

Fine adjustment

Question 5

5

Answer 5

Base

Question 6

6

Answer 6

Nosepiece

Question 7

7

Answer 7

Objective lense

Question 8

8

Answer 8

Stage

Question 9

9

Answer 9

Diaphragm

Question 10

10

Answer 10

Light source

Question 11

The ocular lens is 10x. The objective lens is 40x. What is the total magnification?

Answer 11

400x

Question 12

How do you increase the magnification on a microscope?

Answer 12

Rotate the nosepiece

Question 13

What Hooke did in 1665

Answer 13

Saw small boxes in cork. Called them cells

Question 14

what did Leeuwenhook do in 1675

Answer 14

Saw living cells

observed living things in pond

Question 15

what did Schleiden do in 1838

Answer 15

Showed that all plants were made of cells

discovered thats plants are made of cells

Question 16

what did Schwann do in 1839

Answer 16

Showed that all animals were made of cells

discovered animals are made of cells

Question 17

what did Virchow do in 1858

Answer 17

Showed that cells come from other cells

discovered cells come from other cells

Question 18

three parts of cell theory

Answer 18

1. all living things are made of cells
2. cells are the building blocks of life
3. cells come from pre-existing cells

Question 19

simple cells without a nucleus are

Answer 19

prokaryotes

Question 20

complex cells with a nucleus are

Answer 20

eukaryotes

Question 21

what are two things that all cells have

Answer 21

• DNA
• cell membrane

Question 22

Cell type is bacteria

Does it have a
- Membrane
- Wall
- Capsule

Answer 22

• Membrane: Yes
• Wall: Yes
• Capsule: Some

Question 23

Cell type is Plant

Does it have a
- Membrane
- Wall
- Capsule

Answer 23

• Membrane: Yes
• Wall: Yes
• Capsule: No

Question 24

Cell type is animal

Does it have a
- Membrane
- Wall
- Capsule

Answer 24

• Membrane: Yes
• Wall: No
• Capsule: Nope

Question 25

what does a nucleus do

Answer 25

- Controls the cell - Contains DNA

Question 26

What does a nucleolus do?

Answer 26

Makes ribosomes

Question 27

what does a mitochondria do

Answer 27

- Powerhouse of cell - Provides energy

Question 28

what does a chloroplast do

Answer 28

Converts light energy to food

Question 29

what does the endoplasmic reticulum do

Answer 29

- Transports materials - Makes lipids

Question 30

what does a golgi body do

Answer 30

Packages and exports proteins

Question 31

what do lysosomes do

Answer 31

Breaks down waste

Question 32

What does a cytoskeleton do

Answer 32

Supports the cell interior

Question 33

what does a cell membrane do

Answer 33

controls what enters/leaves the cell

Question 34

what does a cell wall do

Answer 34

supports the cell

Question 35

what is a cell membrane made of

Answer 35

- Phospholipids - Proteins

Question 36

What type of cell (Animal, Plant, or both) has a **Nucleus**

Answer 36

Both

Question 37

What type of cell (Animal, Plant, or both) has a **Nucleolus**

Answer 37

Both

Question 38

What type of cell (Animal, Plant, or both) has a **Mitochondria**

Answer 38

Both

Question 39

What type of cell (Animal, Plant, or both) has a **Chloroplast**

Answer 39

Plant

Question 40

What type of cell (Animal, Plant, or both) has a **Endoplasmic Reticulum**

Answer 40

Both

Question 41

What type of cell (Animal, Plant, or both) has a **Golgi Body**

Answer 41

Both

Question 42

What type of cell (Animal, Plant, or both) has a **Lysosome**

Answer 42

Both

Question 43

What type of cell (Animal, Plant, or both) has a **Cytoskeleton**

Answer 43

Both

Question 44

What type of cell (Animal, Plant, or both) has a **Cell Membrane**

Answer 44

Both

Question 45

What type of cell (Animal, Plant, or both) has a **Cell Wall**

Answer 45

Plant

Question 46

what is the difference between active and passive transport

Answer 46

- active requires energy input from the cell - passive does not

Question 47

two kinds of passive transport

Answer 47

- diffusion - facilitated diffusion

Question 48

three kinds of active transport

Answer 48

- Protein pumps - exocytosis - endocytosis

Question 49

what is it called when molecules in a fluid disburse until they are evenly distributed

Answer 49

equilibrium

Question 50

Molecules tend to move from an area of ____ concentration to an area of ____ concentration

Answer 50

high to low

Question 51

what is osmosis

Answer 51

Diffusion of water across a semi-permeable membrane

Question 52

what happens to a cell in a istonic solution

Answer 52

it stays the same

Question 53

what happens to a cell in a hypotonic solution

Answer 53

it will fill with water and may expand or burst

Question 54

what happens to a cell in a hypertonic solution

Answer 54

It will lose water and shrink

Question 55

a plant cell in a hypotonic solution will experience increased

Answer 55

turgor pressue

Question 56

a plant cell in a hypertonic solution will experience

Answer 56

plasmolysis

Question 57

which is the phospholipid

Answer 57

top right arrow

Question 58

which is the fatty acid

Answer 58

middle right arrow

Question 59

which is the phosphate head

Answer 59

bottom right arrow

Question 60

which is the protein pump

Answer 60

left arrow

Question 61

why are small cel able to survive better than large cells

Answer 61

they have a high surface area to volume ratio and it is easier to replace smaller cells