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9th Grade Biology > Chapter 5 > Flashcards

Chapter 5 Flashcards

(125 cards)

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1
Q

Direct beam electrons across surface of specimen coated with metal

A

scanning electron microscope

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2
Q

Dense mesh of fibrous proteins that supports inner surface of membrane

A

nuclear lamina

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3
Q

organelle develops from centriole

A

basal body

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4
Q

Mesh of cytoskeletal elemtsn under a plasma membrane

A

cell cortex

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5
Q

short, movable structure that projects from plasma membrane of some eukaryotic cells

A

Cilia

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6
Q

are cilia in pros

A

no

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7
Q

Peroxisomes

A

enzymes, breaks down aa, fa, and toxic substances

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8
Q

What does fluids mosaic model

A

cell membrane

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9
Q

FM in what dimension

A

two

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10
Q

Material that stregthens cell walls of vascular plants

A

lignin

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11
Q

Intermediate filament

A

supports CM and tissues

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12
Q

Microfilament

A

fiber of actin subunits
reinforces cell membrane
Muscle contractions

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13
Q

Complex mixture of cell secretions

A

ECM

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14
Q

Structure connects cell to another cell or to ECM

A

cell junction

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15
Q

In the slim

A

Biofilm

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16
Q

Motor protein that interacts with microtubules to cause flagella and cilia in elks to move

A

dynein

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17
Q

fibrous protein makes up type of intermediate filaments which form nuclear lamina

A

lamin

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18
Q

Cell junction composed of adhesion proteins that connect to cytoskeletal elements. Fastens cell to each other/to basement membrane

A

Adhering junction

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19
Q

Network of interconnected protein filaments that supports, organize, and move eukaryote cells and their parts

A

Cytoskleeton

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20
Q

Do pros have cytoskeleton

A

no

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21
Q

Protein filament that projects from surface of some pros

A

pilis

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22
Q

Motor protein that interacts with microfilaments to cause muscle cell contraction

A

myosin

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23
Q

Basement membrane

A

ECM secreted by animal cells, not cell membrane, sheet of fibrous materials that organizes tissues

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24
Q

Who was basement membrane?

A

animal cells

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25
Arrays of adhesion proteins join epithelial cells and collectively stop leakage
tight junctions
26
Semifuluid interior of chloroplasts that contains enzymes and chloroplast's own DNA
stroma
27
Does cell wall have pores?
Yes
28
What is cell wall in?
fungi, some protists, plant cells
29
what has two lipid bilayers?
envelope
30
Must be pores in membrane for...
nuclei
31
is cell wall permeable
yes
32
fluid-filled organelle; isolates/disposes of waste, debris, toxic materials
vacuole
33
Golgi, er , etc.
endomembrane system
34
EM system place
between nucleus and plasma membrane
35
sER makes
lipids/breaks down carbs and fa
36
rER
synthesize proteins
37
What grows from centriole
microtubules
38
Whatintermediate filaments in hair
keratin
39
Globular protein; makes up microfilaments
actin
40
Microtuble
involved in movement
41
is microtubule hollow
yes
42
one-thousandth of a millimeter
micrometer
43
All cells have
cell membrane, cytoplasm, control center, organelles
44
do pros have phos bilayer besides cell membrane?
No
45
Size pros
1 to 2 mm
46
eukaryote size
10 to 20 mm
47
compound light microscope pro/con
Pro: see living things Con: limited power
48
Polarized
3D edge effect
49
Transmission power
200,000
50
slice?
Transmission
51
All must be dead in
Transmission
52
Transmission shows
interior
53
2D
Trans
54
Surface coated with metal
scanning
55
scanning power
100,000
56
plasticine:
Trans
57
2 membrane proteins
peripheral | integral
58
Embedded in whole layer
integral
59
only located in the inner or outer surface of the phospholipid bilayer like floating iceberg
peripheral
60
what is in phospholipid head?
Phosphate group and glycerol
61
Partially embedded is
Peripheral
62
Cholesterol stabilized
cell membrane
63
too much cholesterol is
plaque
64
Glycoprotein
carbohydrate groups attached to the polypeptide chain
65
what makes glycoprotein
oligo and protein
66
Connect cells together
Junction proteins
67
help cells stick together
Adhesion proteins
68
translation aka
protein synthesis
69
Pilus specialized for recombination
sex pilus
70
what is flagella made of
microtubules
71
movable strucutre projects from PM of some euks
cilim
72
Organelles without membrane
ribosomes centriole
73
What type of cells have ribosomes
all
74
what type ofcelss have centrioles
animal
75
Involved in mitosis
centriole
76
Human Resources
nucleolus
77
Parts of EM
vesicles, eR, Golgi
78
Produces phospholipids
rer
79
releases calcium and detoxifies
ser
80
Caclium helps
contract
81
Autophagy
is the body's way of cleaning out damaged cells | self eating
82
endosome
vesicle being brought into cell | when fused with vesicle in cell
83
Catalcase ...
neutralizes
84
h202 is
hydrogen peroxide
85
autolysis is how cells to go
apoptosis
86
Autolysis:
lysosomes release contents and degrades surrounding enviro
87
What do peroxisomes produce
H202
88
Lysosomes can engulf
damaged organelles
89
Dextox
Peroxiding
90
Contractile Vacuoles...
expel excess liquid
91
Do mitochondria have dan
yes
92
parts of mitochondria
outer membrane Inner membrane cristae matrix
93
cristae
folds
94
matrix
space inside folds
95
ATP from flow of
hydrogen ions
96
___ allows for ATP
oxygen
97
expl. for euks
endosymbiosis
98
endosymbiosis
small eukaryote in large eukaryote becomes dependent
99
Mito has own...
dna, ribosomes, outer membranes, divides
100
What gives structure
nucelar lamina
101
flattened sac in chloroplast
Thylakoid
102
smallest are
microfilaments
103
largest are
microtubules
104
Myosin
contraction
105
Denein
moves cilia and flagella
106
what makes up cortex
filaments
107
what makes centrioles and sprinkle fibers
microtubules
108
do filaments have motion
yes
109
Flagella is __ in eus, __ in pros
wave, propeller
110
9:2 array found in
cilia or flagella
111
9:2
9 pairs tubules plus one pair at core
112
Spindle fibers
tubules | extend from one side to other of cell during division
113
Motor protein that helps move flag/cilia
dynein
114
Motor protein helps contractions
myosin
115
int. form nuclear laimna
laimns
116
int. filament in hair
keratin
117
dynien myosin laim keratin
motor motor int. int.
118
Basement membrane between
epithelial and connective tissue
119
3 types junctions
Tight Adhering Gap
120
Tight j
adhesion proteins join epithelial cells (stomach)
121
Adhering junctions
connect to cytoskeletal elements (skin)
122
Gap junctions in
heart
123
Who has mitochondria?
Both plants and animals
124
Centriole only in...
animal cells
125
how make atp
cellular respiration

9th Grade Biology (18 decks)

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