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Biology > Lecture 2.5 > Flashcards

Lecture 2.5 Flashcards

(60 cards)

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1
Q

Found on cells lining airways and certain ducts. Short, many.

A

Cilia

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2
Q

Enable spermatozoa to swim. Long, single.(type of cilia)

A

Flagella

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3
Q

Play important role in cell division, near nucleus

A

centrioles

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4
Q

bunch of legs

A

Cillia

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5
Q

one tail

A

Flagella

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6
Q

Cilia and Flagella have?

A

similar internal structure

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7
Q

Microvilli are found in the?

A

Small Intestine

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8
Q

What is the point of Cilia?

A

filtration

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9
Q

Stereocilia is used for?

A

mobility and absorption

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10
Q

Separates cell from environment

A

Plasma Membrane

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11
Q

Plasma Membrane is Composed of?

A

Phospholipids

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12
Q

Cholestrol increases?

A

Mechanical Strength

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13
Q

Proteins provide?

A

Transport

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14
Q

Protiens provide transport through?

A

membrane

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15
Q

Proteins provide transport through the membrane for?

A

Molecules and Information

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16
Q

Receptor protien

A

transmit information

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17
Q

Channel Protien

A
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18
Q

Gated protein

A
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19
Q

Transport Protein

A
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20
Q

Glycoprotein

A
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21
Q

Lipid Bilayer

A
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22
Q

Passive transport

A

cell does not expend energy

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23
Q

Diffusion

A

High concentration to low concentration

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24
Q

Osmosis

A

Diffusion of water across permeable membrane

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25
Active Transport
Cell must expend energy
26
Bulk Transport
membranous vesicles move large substances
27
Endocytosis
Pinocytosis and Phagocytosis
28
Endo:
Taking something in
29
Exocytosis
granules or droplets leave the cell
30
(WIP)Pino:
Ingestion of liquid
31
(WIP)Phago:
ingestion of solids
32
Passive transport moves with?
The concentration gradient
33
(passive transport)Diffusion directly through the:
Lipid Bilayer
34
(passive transport)
35
Active Transport requires:
Energy
36
Active transport moves substances from:
Lower concentration to higher concentration
37
(Active T)Transported substances move?
Against the concentration gradient
38
(Active T)Requires a?
Membrane protein
39
(Active T)Requires energy source or?
ATP
40
Isotonic Extracellular Fluid:
Maintains Cell Volume
41
Toxicity is relative concentration of:
Solutes in two fluids
42
Extracellular solute concentrations are:
Equal
43
Cells maintain a normal volume in:
Isotonic extracellular fluid
44
Regulatory mechanisms maintain extracellular fluid that is isotonic with:
intracellular fluid
45
Hypertonic:
Cells may shrink and die
46
Hypotonic:
Cells may swell and burst
47
Isotonic:
Just right for cells
48
Metabolism:
Sum of all chemical reactions in an organism
49
Anabolism:
Requires energy, assembled
50
Catabolism:
Releases energy, broken down
51
Four stages of cellular respiration(in order)
Glycosis, preparatory step, citric acid cycle, electron transport chain
52
Energy in glucose is used to generate:
ATP
53
One Glucose Molecule May Yeild:
36 ATP
54
In absence of glucose, other carbohydrates, fats, and proteins can be catabolized to:
Generate ATP
55
Fats and Proteins Are:
Additional Energy Sources
56
Glycogen =
1% of energy reserves
57
Fats=
78% of energy reserves
58
Protiens
21% of total energy reserves
59
NEED FATS SECTION
60
NEED PROTEINS SECTION

Biology (3 decks)

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