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MIDTERMS REVIEWER > bio 2nd qrtr > Flashcards

bio 2nd qrtr Flashcards

1
Q

a membrane made of two layers of phospholipids with embedded proteins that seperates the insides of the cell from its environment

A

CELL MEMBRANE

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2
Q

having both hydrophilic and hydrophobic parts

A

AMPHIPATHIC MOLECULE

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3
Q

allows certain substances to pass through but not others

A

SEMI PERMEABLE

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4
Q

easily bent

A

PILIABLE

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5
Q

able to flow freely

A

FLUID

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6
Q

polytropic or transmembrane spans across the membrane

A

INTEGRAL

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7
Q

monoprotic attached to only one side of the membrane

A

PERIPHERAL

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8
Q

enumerate function of protein

A

RECEPTOR
CHANNEL
TRANSMEMBRANE TRANSPORT
ADHESION
CELL CELL RECOGNITION
ENZYMATIC FUNCTION

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9
Q

mostly found on eternal surface / provides energy for the cell to survive

A

CARBOHYDRATES

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10
Q

attached to proteins

A

GLYCOPROTEINS

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11
Q

attached to lipids

A

GLYCOLIPIDS

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12
Q

regulates fluidity of membrane as temperature varies

A

CHOLESTEROL

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13
Q

high temperature causes ?

A

INCREASED FLUIDITY

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14
Q

low temperature causes ?

A

DECREASED FLUIDITY

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15
Q

describe sthe structure of a cell membrane

A

FLUID MOSAIC MODEL

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16
Q

serves as a barrier that seperates the components of cell from its surrounding environment

A

PROTECTION

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17
Q

semi permeable membrane that regulates the transport of materials in and out of the cell

A

MATERIAL TRANSPORT

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18
Q

serves as the attachment point of the cytoskeleton which aids in maintaining the shape and form of the cell

A

CELL SHAPE

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19
Q

seperates the organelles from each other and from the cytoplasm providing their own environment and functional individuality

A

COMPARTMENTALIZATION

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20
Q

enables cell to identify other cells and foreign substances

A

CELL RECOGNITION

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21
Q

plays a vital role in the performance of cell functions

A

CELL FUNCTION

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22
Q

proteins who have extensions of lipids and sugars residues

A

GLYCOCALYX

23
Q

phosphate tails = hydrophobic

A

FATTY ACIDS

24
Q

they allow certain things to travel in or out

A

MEMBRANE PROTEIN

25
Q

strong lipid bonds

A

INTEGRAL PROTEIN

26
Q

weak lipid bonds

A

PERIPHERAL PROTEIN

27
Q

makes powerful network outside cell

A

GLYCOPROTEIN

28
Q

sugar molecules that come off of the cell membrane

A

GLYCOLIPIDS

29
Q

regulates the movement of water

A

CELL DEHYDRATION

30
Q

allows our immune system cells to recognize everything

A

ANTIGENIC FUNCTION

31
Q

a very specific type of network that recognizes if a foreign cell doesnt have the same component

A

HOST

32
Q

the ability of cell to adapt its shape and movement

A

FLUIDITY

33
Q

does not recquire use of energy / the driving force is usally kinetic energy in the form of concentration gradient

A

PASSIVE TRANSPORT

34
Q

solute molecules pass directly through the membrane from a region of high concentration to low concentartion

A

SIMPLE DIFFUSION

35
Q

diffusion of solvent molecules through a semi permeable from an area of low solute conc to high solute conc

A

OSMOSIS DIFFUSION

36
Q

plasmolysis or crenation

A

HYPERTONIC

37
Q

normal concen gradient and size

A

ISOTONIC

38
Q

homolysis or swelling

A

HYPOTONIC

39
Q

movement of molecules through a semi permeable membrane from high to low conc with aid of diffusion

A

FACILLITATED DIFFUSION

40
Q

membrane protein that forms pores or channels which is the passageway of proteins

A

CHANNEL PROTEINS

41
Q

water channel proteins

A

AQUAPORINS

42
Q

carry ions or molecules accross, glucose and amino acids

A

CARRIER PROTEINS

43
Q

opens a gate allowing molecules to pass through the membrane

A

GATED CHANNEL PROTEINS

44
Q

recquires the use of energy

A

ACTIVE TRANSPORT

45
Q

uses energy in the form of ATP membrane public transporters

A

PRIMARY ACTIVE TRANSPORT

46
Q

uses potential energy often electrochemical

A

SECONDARY ACTIVE

47
Q

move in same direction

A

SYMPORTER

48
Q

move in opposite direction

A

ANTIPORTER

49
Q

movement of large materials in to and out of cell by way of vesicles

A

BULK TRANSPORT

50
Q

ccells taken in substances from outside the cell by engulfing them in all side

A

ENDOCYTOSIS

51
Q

a cell engulfs large particles using their pseudopodia and encloses it in a vesicle called phagosome

A

PHAGOCYTOSIS

52
Q

it gulps or drinks to extracellular fluid with dissolved small molecules

A

PINOCYTOSIS

53
Q

the cell membrane contains receptor proteins and used to gulp target molecules

A

RECEPTOR MEDIATED

54
Q

secretory vesicles within the cell fuses with the plasma membrane releasing its content into the extracellular space

A

EXOCYTOSIS

MIDTERMS REVIEWER (20 decks)

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