Membrane transport
Quiz by Melissa Gallo
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21 questions
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- Q1Plasma membrane layers composed of phospholipid molecules arranged with polar heads facing the outside and nonpolar tails facing the inside.phospholipid bilayer30s
- Q2water loving; polarhydrophilic30s
- Q3water hating; non-polarhydrophobic30s
- Q4A molecule that makes up biological membranes, having a polar, hydrophilic head and a nonpolar, hydrophobic tail.phospholipid30s
- Q5property of biological membranes that allows some substances to pass across it while others cannotselectively permeable aka semi-permeable30s
- Q6model that describes the arrangement and movement of the molecules that make up a cell membranefluid mosaic model30s
- Q7the movement of substances across a cell membrane without the use of energy by the cellpassive transport30s
- Q8the movement of materials through a cell membrane using energy (ATP)active transport30s
- Q9A state of balance where there are equal concentrations on both sides of a membraneEquilibrium30s
- Q10A difference in the concentration of a substance across a semi-permeable membraneconcentration gradient30s
- Q11Movement of molecules through the phospholipids from an area of higher concentration to an area of lower concentration; passive transportdiffusion30s
- Q12Movement of water through the phospholipids and through aquaporins from an area of higher concentration to an area of lower concentration; passive transportosmosis30s
- Q13Movement of molecules through the carrier protein channels from an area of higher concentration to an area of lower concentration; passive transportfacilitated diffusion30s
- Q14transport proteins that require energy to move ions against their concentration gradient; type of active transportprotein pumps30s
- Q15release of substances out a cell by the fusion of a vesicle with the membrane; type of active transportexocytosis30s