Cell Strucutre Flashcards

1
Q

what is the smallest unit of life?

A

cells

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2
Q

what is cell theory?

A

all life is made of cells and all cells come from other cells

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3
Q

does prokaryotic cells have a nucleus?

A

no

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4
Q

what do you think of for prokaryotic cells?

A

bacteria or achaea

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5
Q

does eukaryotic cells have a nucleus?

A

yes

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6
Q

does eukaryotic cells have organelles?

A

yes

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7
Q

what do you think of for eukaryotic cells?

A

plants, animals or fungi

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8
Q

what do ribosomes do?

A

make proteins

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9
Q

what are 4 things cells have?

A

cell plasma membrane
DNA
Ribosomes
Cytoplasm

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10
Q

what does prokaryotic cells have?

A

plasma membrane
cell wall
ribosomes
nucleoid (condenses DNA)

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11
Q

what does the plasma membrane do?

A

regulates what comes in and out (think border patrol)

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12
Q

is plasma membrane found in all cells?

A

yes

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13
Q

is DNA found in all cells?

A

yes

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14
Q

where is DNA located in prokaryotes?

A

loose or free

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15
Q

where is DNA located in Eukaryotes?

A

enclosed in the nucleus

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16
Q

are ribosomes found in all cells?

A

yes

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17
Q

what does ribosomes do?

A

synthesizes proteins

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18
Q

is cytoplasm found in all cells?

A

yes

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19
Q

what to think of when it comes to cytoplasm?

A

jello

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20
Q

where is endoplasmic reticulum found in ? (ER)

A

Eukaryotes only

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21
Q

what to think of when it comes to endoplasmic reticulum or er?

A

manifacturing machine

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22
Q

what is different about rough er and smooth er ?

A

rough er has ribosomes in it while smooth er does not

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23
Q

what does golgi bodies do?

A

packing and shipping for the cell (think UPS)

24
Q

what do lysosomes do?

A

has digestive enzymes that reuse, reduce, or recycles

25
what is a vacuole?
long term storage and plays major part in a plant cell
26
what is a cell wall?
additional membrane that is on top of the plasma membrane
27
what does a cell wall do?
protects and provides rigidity to the cell
28
do all cells have a cell wall?
no: animal cells do not
29
what is a cytoskeleton?
bones of the cell
30
what does a cytoskeleton do?
gives structure to the inside of the cell's cytoplasm
31
do all cells have cytoskeleton?
yes
32
what is a mitochondria?
the powerhouse of your cell
33
where is mitochondria found in?
both plant and animal cells
34
what does mitochondria make?
ATP / energy
35
What does ATP do?
gives energy to run your cells
36
where is cholorplasts found in?
only plant cells
37
what do chloroplasts do?
what plant cells use to make sure through photosynthesis
38
can a cell vary in shape and size?
yes
39
what is phagocytosis?
cell eating
40
what is endosymbiont theory mean?
when one bacteria eats another bacteria
41
what does a cell membrane do?
separates cell from external enviorment and regulates what goes in and out
42
what is DNA
blueprints of life
43
what is a nucleus?
an organelle that surrounds and stores the DNA
44
what does rough ER do?
protein synthesis
45
what does smooth ER do?
lipid synthesis
46
what do vesicles do?
transports things with the cell
47
what does golgi bodies do?
modifies, sorts, tags, packages and distributes lipids and protein
48
what does lysosomes do?
digest molecules and recycles organelles
49
what does a vacuole do?
storage of nutrients and water
50
what does mitochondria do?
produces energy or ATP
51
what does a chlorplasts do?
produce energy from sunlight with chlorophyll through photosynthesis
52
what does a cytoskeleton do?
maintain cells Structure and secures organelles in position
53
what is a cell wall?
a structural support of cell
54
do prokaryotes or eukaryotes have a nucleus?
Eukaryotes only
55
do plant cells have lysosomes?
no
56