CELL NOTES Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

cell

A

the basic unit of structure and function in an organism
*its shape and size contribute to its function

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

Robert Hooke

A

used a microscope to discover cells

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

microscope

A

tool used to magnify or enlarge small things

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

Cell theory

A
  1. All organisms are made up of one or more cells.
  2. Cells are the basic units of structure and function in all living things
  3. All cells come from cells that already exist.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

organelles

A

a tiny structure in the cell that performs a function

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

Nucleus

A

directs all cell activities (similar to the brain of the cell)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Nucleolus

A

makes ribosomes

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

Chromatin

A

contains DNA (genetic material that are the instructions for the cell)

DNA= deoxyribonucleic acid

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

Nuclear membrane

A

surrounds the nucleus

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

Cell membrane

A

selectively permeable membrane meaning it only lets specific materials move in and out of the cell

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

cytoplasm

A

gel-like material inside the cell
- cytosol is part of the cytoplasm

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

Endoplasmic Reticulum
ER

A

moves material around in the cell ex: like a highway

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

ribosomes

A

make proteins and translate messages

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

Golgi bodies

A

the packaging organelle

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

Mitochondira

A

powerhouse of the cell because it breaks down food molecules and releases energy
*does cellular respiration

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Vacuole

A

storage area in the cell

17
Q

Lysosome

A

digest wastes and worn-out cell parts, “cleans” the cell

18
Q

chloroplast

A

contain a chemical called chlorophyll (absorbs the sun’s energy & makes the plant green) and allows the plant to make food for itself (like solar panels)
*does photosynthesis
*only in plants

19
Q

Cell wall

A

outer boundary of plant cell, rigid & tough, provides support and shape
-made of cellulose
*only in plants

20
Q

Prokaryotic

A

Cells that do not have a nucleus, usually unicellular

21
Q

Eukaryotic

A

Cells contain a nucleus and other organelles