Chapter 7 Flashcards

You may prefer our related Brainscape-certified flashcards:
0
Q

What is the purpose of antibiotics

A

Breaks down cell wall and water floods the cell and kills it

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

An protist is a

A

Eukaryote

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What makes its own food

A

Producer

Autotroph

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What helps maintain homeostasis

A

Cell membrane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What does a red blood cell do

A

Transports oxygen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Stem cells can become whatever you want them to be because they’re not

A

Specialized

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What are the levels of organization

A
Cells
Tissues
Organs
Organ systems
Organism
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Are electron microscopes more powerful than light microscopes

A

Yes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Electron microscopes can only be used to see

A

Non living things
Preserved cells
Tissues

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is a transmission electron microscope used for TEMs

A

Used to study cell structures and large protein molecules

Specimens must be cut into ultra thin slices

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

A scanning electron microscopes SEMs produces what kind of image

A

3D images

Specimens don’t have to be cut

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Cells come in a variety of shapes and sizes true or false

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

All cells are surrounded by what

A

Cell membrane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

At some point all cells contain what

A

DNA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Cells are classified by what two categories

A

If it does/doesn’t have internal membranes bound by organelles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What has no organelles

A

Prokaryotes

16
Q

In eukaryotes DNA is separate from the rest of the cell true or false

A

True

17
Q

Examples of eukaryotes are

A

Plants
Animals
Fungi
Protists

18
Q

Cell theory states that new cells are produced from

A

Existing cells

19
Q

The person who first used the term cell was

A

Robert Hooke

20
Q

Electron microscopes are capable of revealing more details than light microscopes because

A

The wavelengths of electrons are shorter than those of light

21
Q

Is a bacterium a prokaryote

A

Yes

22
Q

One way prokaryotes differ from eukaryotes is that they

A

Do not have a membrane separating DNA for the rest of the cell

23
Q

What are the two major parts of a eukaryotic cell

A

Nucleus

Cytoplasm

24
Q

Small particles of RNA and protein are found throughout the

A

Cytoplasm

25
Q

Paramecium contains a contractile vacuole that pumps excess what out of the cell

A

Water

26
Q

What is the cytoskeleton

A

Network of protein filaments that helps the cell maintain shape

27
Q

What organelle is involved in movement

A

Cytoskeleton

28
Q

What is the cytoskeleton made up of

A

Micro filaments

Micro tubules

29
Q

Where are centrioles located

A

Near the nucleus

30
Q

Centrioles help organize what

A

Cell division

31
Q

In the nucleus of a cell the DNA is usually visible as

A

Granular material called chromatin

32
Q

Two functions of vacuoles are storing materials and helping to

A

Maintain homeostasis

33
Q

Chloroplasts are found in the cells of

A

Plants and some other organisms

34
Q

What is NOT a function of the Golgi apparatus

A

Synthesize proteins

35
Q

What is one of the functions of the cytoskeleton

A

Assists in the movement of some cells from one place to another

36
Q

What organisms can you find a cell wall in

A

Plants
Algae
Fungi