Biology 1001 Chapter 4 Membrane Structure and Function Flashcards

56914950	receptor-mediated	Type of endocytosis involves the solute binding to proteins in the membrane?	0
56914951	hypercholesterolemia	Example of a disease where receptor-mediated endocytosis does not work because the individual has defective receptors for LDLs.	1
57120369	thistle tube	Apparatus we used to study osmosis	2
57120370	transport by carriers	Three ways for substances to enter and exit cells: 1) diffusion, 2) _________, 3) endocytosis and exocytosis.	3
57120371	proteins drift	The experiment in which human cells were fused with mouse cells demonstrated that ______in the phospholipid bi-layer at room temperature.	4
57120372	hypotonic	What type of solution is necessary for a plant cell to achieve turgor pressure?	5
57120373	diffusion of water through a semi-permeable membrane from an area of greater concentration of water to an area of lesser concentration of water until evenly distributed	Define osmosis	6
57120374	carbohydrates and proteins	What part of a membrane does the Fluid Mosaic Model refer to as the 'mosaic'?	7
57120375	selectively/differentially permeable	Permeability of cell membranes.	8
57120376	hemolysis	Name of the process in which a red blood cell bursts from being in a hypotonic solution.	9
57120377	glycoproteins	Carbohydrates attached to the protein section of a cell membrane are _________.	10
57120378	receptor-mediated	Type of endocytosis involves the solute binding to proteins in the membrane?	11
57120379	diffusion	Mechanism through which blood in our lungs is oxygenated.	12
57120380	cholesterol	What lipid in the cell membrane makes it fluid?	13
57120381	Law of Diffusion	Particles move from an area of greater concentration to an area of lesser concentration	14
57120382	boundary of the cell	Functions of the cell membrane: 1) _________, 2) regulates movement of molecules in and out of the cell.	15
57120383	permeable	Permeability of artificial membranes that allow most molecules through.	16
57120384	hypotonic	Solution with a lesser concentration of dissolved solutes than the cell	17
57120385	passive	Which category of transport across a membrane does not require energy?	18
57120386	active	Sodium-potassium pump is an example of which type of transport by a carrier across a membrane?	19
57120387	phagocytosis	Three methods of endocytosis: 1) ________, 2) pinocytosis, 3) receptor-mediated.	20
57120388	differentially permeable	Another term for membrane that is selectively permeable.	21
57120389	endocytosis and exocytosis	Transport mechansims by which macromolecules are transported across a membrane.	22
57120390	passive	Active or passive: where molecules are moving from an area of greater concentration to an area of lesser concentration.	23
57120391	semi-permeable	Permeability of artificial membranes that allow some molecules through.	24
57120392	protein	Carbohydrates attached to the ______section of a cell membrane are glycoproteins.	25
57120393	receptor-mediated	Three methods of endocytosis: 1) phagocytosis, 2) pinocytosis, 3) ________.	26
57120394	tonicity	Solute strength of a solution	27
57120395	0.9	What would be the solute concentration of an isotonic solution for a cell?	28
57120396	lysis	Name of the process when any cell bursts	29
57120397	cell recognition	Major Histocompatability Complex (MHC) is a problem with which type of functional protein in the cell membrane?	30
57120398	double layer of phospholipids	Three elements of the Fluid Mosaic Model of the cell membrane: 1) ______, 2) proteins, 3) carbohydrates in outer cell membranes.	31
57120399	double layer of phospholipids	What part of a membrane does the Fluid Mosaic Model refer to as the 'fluid'?	32
57120400	isotonic	What type of solution would result in no net gain or loss of water from a cell.	33
57120401	selectively permeable	another term for membrane that is differentially permeable.	34
57120402	endocytosis and exocytosis	Which form of transport across a membrane involves a vesicle?	35
57120403	passive	Active or passive: facilitated transport by a carrier across a membrane.	36
57120404	endocytosis and exocytosis	Three ways for substances to enter and exit cells: 1) diffusion, 2) transport by carriers, 3) _________.	37
57120405	active	Active or passive: transport by a carrier across a membrane, which requires energy (ATP)	38
57120406	receptor	Type of functional protein that usually respond to hormones.	39
57120407	99.1	Percentage of water in every living cell.	40
57120408	glycolipids	Carbohydrates attached to the lipid section of a cell membrane are _________.	41
57120409	hypercholesterolemia	Example of a disease where receptor-mediated endocytosis does not work because the individual has defective receptors for LDLs.	42
57120410	impermeable	Permeability of artificial membranes that do not allow molecules through.	43
57120411	crenation	Name of the process when an animal cell shrivels when it is in a hypertonic solution.	44
57120412	carbohydrates	Which part of the Fluid Mosaic Model of the cell membrane applies only to outer cell membranes?	45
57120413	phagocytosis	Term that means "cell eating."	46
57120414	regulates movement of molecules in and out of the cell	Functions of the cell membrane: 1) boundary of the cell, 2) _________.	47
57120415	passive	Active or passive transport by carriers across a membrane: glucose	48
57120416	enzymatic proteins	Diverse types of functional proteins in the cell membrane: 1) channel proteins, 2) carrier proteins, 3) cell recognition proteins, 4) receptor proteins, 5) ________.	49
57120417	Particles move from an area of greater concentration to an area of lesser concentration	Law of Diffusion	50
57120418	lipid-soluble molecules (eg alcohol)	Substances that are allowed to diffuse through a cell membrane: 1) _______(give example), 2) small molecules (eg O2 and CO2), 3) water	51
57120419	pinocytosis	Three methods of endocytosis: 1) phagocytosis, 2) ________, 3) receptor-mediated.	52
57120420	lipid	Carbohydrates attached to the ______section of a cell membrane are glycolipids.	53
57120421	passive	Which type of transport across a membrane is WITH the concentration gradient?	54
57120422	pinocytosis	Term that means "cell drinking"	55
57120423	0.9	Percentage concentration of dissolved solutes in every living cell	56
57120424	double layer of phospholipids	Which part of the Fluid Mosaic Model gives the cell membrane its fluidity?	57
57120425	active	Active or passive: where carrier proteins transport molecules into the cell.	58
57120426	cell recognition proteins	Diverse types of functional proteins in the cell membrane: 1) channel proteins, 2) carrier proteins, 3) ________, 4) receptor proteins, 5) enzymatic proteins.	59
57120427	enzymatic	Cholera bacteria release a toxin that interferes with the proper functioning of which type of protein in the cell membrane?	60
57120428	osmosis	Diffusion of water through a semi-permeable membrane from an area of greater concentration of water to an area of lesser concentration of water until evenly distributed.	61
57120429	diffusion	Three ways for substances to enter and exit cells: 1) _________, 2) transport by carriers, 3) endocytosis and exocytosis.	62
57120430	plasmolysis	Term for condition where the plasma membrane has pulled away from the cell wall.	63
57120431	physical	Diffusion: chemical or physical process?	64
57120432	hypertonic	Solution with a greater concentration of dissolved solutes than the cell.	65
57120433	small molecules (eg O2 and CO2)	Substances that are allowed to diffuse through a cell membrane: 1) lipid-soluble molecules (eg alcohol), 2) _______ (give example), 3) water.	66
57120434	receptor	Pigmies are short, not because they do not produce enough growth hormone, but because this type of functional protein in their cell membranes are faulty.	67
57120435	proteins	Three elements of the Fluid Mosaic Model of the cell membrane: 1) double layer of phospholipids, 2) ______, 3) carbohydrates in outer cell membranes.	68
57120436	outer cell membranes	Where do carbohydrates form part of the membrane, according to the Fluid Mosaic Model?	69
57120437	carbohydrates in outer cell membranes	Three elements of the Fluid Mosaic Model of the cell membrane: 1) double layer of phospholipids, 2) proteins, 3) ______.	70
57120438	osmosis apparatus	What would you call equipment set up with thistle tube full of high conc. solute hung over a beaker of water, with a semi permeable membrane between?	71
57120439	active, facilitated	Two types of transport by carriers across a membrane	72
57120440	isotonic	Solution with the same concentration of solutes on both sides of a membrane	73
57120441	active	Active or passive: Transport by a carrier across a membrane, against the concentration gradient.	74
57120442	water	Substances that are allowed to diffuse through a cell membrane: 1) lipid-soluble molecules (eg alcohol), 2) small molecules (eg O2 and CO2), 3) _______.	75
57120443	channel proteins	Diverse types of functional proteins in the cell membrane: 1) ________, 2) carrier proteins, 3) cell recognition proteins, 4) receptor proteins, 5) enzymatic proteins.	76
57120444	receptor proteins	Diverse types of functional proteins in the cell membrane: 1) channel proteins, 2) carrier proteins, 3) cell recognition proteins, 4) ________, 5) enzymatic proteins.	77
57120445	turgor pressure	What occurs in a plant cell that is in a hypotonic solution.	78
57120446	carrier proteins	Diverse types of functional proteins in the cell membrane: 1) channel proteins, 2) ________, 3) cell recognition proteins, 4) receptor proteins, 5) enzymatic proteins.	79