| # |
Definition |
Sets |
| 1 |
embedded proteins that perform specific functions for the cell membrane. |
57 sets |
| 2 |
proteins that function in transport, enzymatic activity, signal transduction, cell-cell recognition, intercellular joining, attachment to the cytoskeleton and extracellular matrix |
33 sets |
| 3 |
1. can form ion channels to allow specific ions into and out of the cell 2. can form carriers and transporters. 3. can serve as receptors 4. can serve as enzymes to catalize reactions (speed up) 5. can serve as a linker (attaches filiments to the plasma membrane) 6. cell identity marker allows other cells to identify it. |
11 sets |
| 4 |
55% |
8 sets |
| 5 |
classified by their position |
8 sets |
| 6 |
the mechanisms for transporting molecules through the lipid bilayer |
8 sets |
| 7 |
serve as channels, receptors, and energy transducers. |
7 sets |
| 8 |
protein embbedded in the plasma membrane that mediates the passage of certain molecules |
6 sets |
| 9 |
6 types: transporters, enzymes, cell surface receptors, cell surface identity markers, cell adhesion proteins, cytoskeletal attachment proteins |
6 sets |
| 10 |
components within the cell membrane that form channels and pumps to help move materials in and out of the cell |
5 sets |
| 11 |
two types: integral and peripheral. |
5 sets |
| 12 |
integral and peripheral |
5 sets |
| 13 |
true |
4 sets |
| 14 |
also move side to side or laterally making the membrane fluid |
4 sets |
| 15 |
specialized proteins in the cell membrane that perform specific functions |
4 sets |
| 16 |
floating in phospholipids, 1. sometimes in enzymatic activity, 2. if cells are bumping into into each other, cell-cell recognition, 3. cell signaling, 4. transport of material across membrane |
4 sets |
| 17 |
vesicles |
3 sets |
| 18 |
molecules that bind hydrophilic solutes on one side of a cell membrane, change shape, then release the solutes on the other side of the membrane |
3 sets |
| 19 |
2% of the molecules in plasma membrane
50% of its weight |
3 sets |
| 20 |
molecules that bind chemical stimuli and generate signals inside the cell, called second messengers |
3 sets |
| 21 |
membrane associated proteins that anchor the microfilament cytoskeleton to the plasma membrane by binding actin crosslinking proteins |
3 sets |
| 22 |
vesicle |
3 sets |
| 23 |
integral proteins and peripheral proteins |
3 sets |
| 24 |
transmit chemical signals across the membrane |
3 sets |
| 25 |
the functions of _______________ are transport, cell communication, enzymes, identification, attachment |
2 sets |
| 26 |
may participate in the intercellular junctions that attach adjacent cells to each other |
2 sets |
| 27 |
membrane proteins can act as hormone binding sites, electron carriers, pumps for active transport, channels for passive transport and also enzymes. in addition they can be used for cell to cell communication as well as cell adhesion. |
2 sets |
| 28 |
cell-surface markers, receptor proteins, enzymes, transport proteins |
2 sets |
| 29 |
>proteins are a major component of the cell membrane
>review protein chem
-amino acid= protein building blocks
-connected by peptide bonds
-20 amino acids
-weak interactions impact folding
-hydrophobic regions are often inside the cell membrane
-charged regions usually outside the cell membrane |
2 sets |
| 30 |
what cellular structure allows the process of endocytosis to target specific molecules? |
2 sets |
| 31 |
function as receptors for chemical messengers from other cells or function of enzymes |
2 sets |
| 32 |
proteins determine membrane's specific functions; cell membrane and organelle membranes each have unique collections of proteins... have many functions; transporter, enzyme activity, cell surface receptor, cell surface identity marker, cell adhesion, attachment to cytoskeleton. |
2 sets |
| 33 |
proteins embedded in the plasma membrane that can aide in transport, serve as enzymes or marker proteins; can aide in cell-to-cell communication or provide structural support |
2 sets |
| 34 |
ion channels, carriers, receptors, enzymes, linkers, cell identity markers |
2 sets |
| 35 |
not stationary, move throughout membrane
integral (3) (transmembrane)
amphipathetic - located on both sides of membrane (both polar & nonpolar parts).
channels - allow certain size molecules to pass through membrane.
carrier - allow certain shape molecules to pass through membrane.
periferal (4)
located on one side of membrane.
part of cytoskeleton
enzymes - speed up chem. reaction
receptors - something will bind to it and cause something else to happen |
2 sets |
| 36 |
1. cell-surface marker
2. receptor protein
3. enzyme
4. transport protein |
2 sets |
| 37 |
some span entire membrane,
some only associated w/ inside or outside of cell,
allow small polar molecules through,
different cell types have different membrane proteins depending on function of cell
to large degree - the membrane proteins help determine the function of the cell |
2 sets |
| 38 |
embedded proteins (in the phospholipid bilayer) that perform specific functions for the cell membrane |
2 sets |
| 39 |
1. peripheral protein
a. stick outside bilayer
2. integral protein
a. stick into bilayers
3. glycoproteins
a. id tags for species, self, and function
b. chain sticks out of membrane
4. glycolipid
a. chain of pentagons stick out of membrane |
2 sets |
| 40 |
mosaic of proteins
peripheral-on surface
integral- penetrate the hydrophobic region |
2 sets |
| 41 |
help maintain cell shape and coordinate changes inside and outside the cell through their attachment to the cytoskeleton and extracellular matrix |
2 sets |
| 42 |
used for facilitated diffusion |
2 sets |
| 43 |
keep cells holding on to each other |
2 sets |
| 44 |
permit the flow of ions and molecules across cellular membranes |
2 sets |
| 45 |
single pass, multi-pass |
2 sets |
| 46 |
-integral and peripheral
various functions:
a. ion channels
b. transporters (carriers)
c. receptors
d. enzymes
e. cell-identity markers
f. linkers that anchor proteins of cells together |
2 sets |
| 47 |
perform specialized functions. vary in number, kind and activity. |
2 sets |
| 48 |
functions:
hormone binding sites
electron carriers
pumps 4 active transport
channels 4 passive transport
enzymes
cell communication
cell adhesion |
2 sets |
| 49 |
-entirely cytosolic localized
-a-helix integrated into only the inner leaflet of the bilayer |
2 sets |
| 50 |
-mediate most of the functions of the membrane
-give different membranes their distinct function |
2 sets |
| 51 |
-structural support
-detection of environmental signals
-secretion of virulence factors and communication signals
-ion transport and energy storage |
2 sets |
| 52 |
proteins that are part of a cell's membrane |
2 sets |
| 53 |
attaches membrane to cytoskeleton, provides identification tags, and forms cell junctions. |
2 sets |
| 54 |
a. membrane cofactor protein (mcp, cd46)*
b. decay accelerating factor (daf)
c. cd59
d. type i complement receptor (cr1, cd35)*
* break down c3b |
2 sets |
| 55 |
- integral proteins
2- peripheral proteins |
2 sets |
| 56 |
interspersed on surface and throughout membrane, can be pumps to form channels to being ions into cell (sodium potassium pump) |
2 sets |
| 57 |
integral proteins
peripheral proteins |
2 sets |
| 58 |
- peripheral proteins: bound to the surface of the membrane
- integral proteins: penetrate the hydrophobic core
- trans-membrane protein: integral proteins that span the membrane
- 6 major functions: transport, enzyme, signal-transduction, cell-cell recognition, cell joining, & attachment to extracellular matrix and skeleton |
2 sets |
| 59 |
1. attachment to cytoskeleton and extracellular matrix
2. cell signaling
a. receptor protein
3. enzymatic activity
a. order for chemical reaction
b. catalyzes chemical reactions
4. transport
5. intercellular joining
6. cell-cell recognition |
2 sets |
| 60 |
many functions
-channels for ions or large molecules, enzymes, receptores |
2 sets |
| 61 |
attached to membrane |
2 sets |
| 62 |
peripheal protein & integral protein. make a gate. 20 amino acids, 8 essential amino acids |
2 sets |
| 63 |
integral, peripheral |
2 sets |
| 64 |
transmembrane, peripheral, g (secondary) |
2 sets |
| 65 |
a)transport-help larger molecules get across the cell membrane
b) enzymes-help speed up the reaction
c) chemical markers-help cells to identify each other
d) cell signaling-messages from outside of the cell are communicated to the inside |
2 sets |
| 66 |
channels and carriers embedded in the cell membrane which enable a cell to control the substances which pass through the cell membrane. |
2 sets |
| 67 |
located on inside, outside or spanning cell membrane
enzymatic reactions
transport of molecules through membrane
channels or receptors
recognition of self vs. non-self
adhesion- hold tissues together |
2 sets |
| 68 |
aid in transportation of molecules across membranes, act as cell surface receptors, not toally water solule, and can be enzymes |
2 sets |
| 69 |
attach to outer part of membrane many functions |
2 sets |
| 70 |
molecules that perform metabolic functions, those imbedded in membrane are integral_____ |
2 sets |
| 71 |
in the cell membrane some of these are receptors that react to specific chemicals |
2 sets |
| 72 |
various functions |
2 sets |
| 73 |
fluid mosaic |
2 sets |
| 74 |
go through only one membrane (either ic or ec) |
2 sets |
| 75 |
proteins that are scattered throughout the plasma membrane |
2 sets |
| 76 |
channel in the cell membrane - into and out of the cell |
2 sets |
| 77 |
- channel proteins
- carrier proteins
- receptor proteins (signal transduction)
- membrane-bound enzymes
- cell adhesion molecules (cams) |
2 sets |
| 78 |
transport proteins, enzymes, receptor proteins, adhesion proteins, recognition proteins. |
2 sets |
| 79 |
transport, enzymatic, receptor, labeling, linkage, cell junctions |
2 sets |
| 80 |
integral or peripheral proteins |
2 sets |
| 81 |
the mechanisms for transporting molecules through the lipid bilayer, serve as channels, receptors, and energy transducers. |
2 sets |
| 82 |
1. a cell controls what moves through the membrane by means of memebrane proteins embedded in the phospholipid bilayer 2. some membrane proteins have carbohydrates attached to them and as a result form glycoproteins that act as indentification markers |
2 sets |
| 83 |
act as channels in the membrane |
2 sets |
| 84 |
- peripheral proteins
- integral proteins
- transmembrane proteins |
2 sets |
| 85 |
transmembrane proteins penetrate the membrane. peripheral proteins adhere to the surface. |
2 sets |
| 86 |
embedded in membrane |
2 sets |
| 87 |
integrins- give membranes stronger framework, cover the membrane, goes all the way through; channel proteins- allow movement of substances across the membrane, no atp required, diffusion; carrier proteins- actively transport substances, embedded proteins change shape to open and close passages, requires atp |
2 sets |
| 88 |
embedded in the membrane. carry out important functions. |
2 sets |
| 89 |
either proteins are integrated in the bilayer or attached to the surface |
2 sets |
| 90 |
helps the cell communicate with other cells; controls transport into/out of cell; control chemical reactions;join cells to one another |
2 sets |
| 91 |
peripheral |
2 sets |
| 92 |
responsible for the special functions of the membrane |
2 sets |
| 93 |
macromolecules found within the cell membrane that are used for identification, defense, communication, connection and movement of substances into and out of cells |
2 sets |
| 94 |
integrins, recognition, enzymes, receptor, transport, channel, carrier |
2 sets |
| 95 |
1. function to make the phospholipids by transporting molecules into and out of cells
2. makes environment inside/outside different |
2 sets |
| 96 |
transmembrane proteins w/ pores -some constantly open-gated channels open and close in response to stimuli-important in nerve signal and muscle contraction |
1 set |
| 97 |
can be integral, peripheral or lipid-anchored / based on hydrophobic nature of protein |
1 set |
| 98 |
what are these functions of? carriers, enzymes, cytoskeleton anchors, identifiers, channels, receptors |
1 set |