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Q 1/21
Score 0
Plasma membrane layers composed of phospholipid molecules arranged with polar heads facing the outside and nonpolar tails facing the inside.
30
phospholipid bilayer
Q 2/21
Score 0
water loving; polar
30
hydrophilic
21 questions
Q.
Plasma membrane layers composed of phospholipid molecules arranged with polar heads facing the outside and nonpolar tails facing the inside.
1
30 sec
Q.
water loving; polar
2
30 sec
Q.
water hating; non-polar
3
30 sec
Q.
A molecule that makes up biological membranes, having a polar, hydrophilic head and a nonpolar, hydrophobic tail.
4
30 sec
Q.
property of biological membranes that allows some substances to pass across it while others cannot
5
30 sec
Q.
model that describes the arrangement and movement of the molecules that make up a cell membrane
6
30 sec
Q.
the movement of substances across a cell membrane without the use of energy by the cell
7
30 sec
Q.
the movement of materials through a cell membrane using energy (ATP)
8
30 sec
Q.
A state of balance where there are equal concentrations on both sides of a membrane
9
30 sec
Q.
A difference in the concentration of a substance across a semi-permeable membrane
10
30 sec
Q.
Movement of molecules through the phospholipids from an area of higher concentration to an area of lower concentration; passive transport
11
30 sec
Q.
Movement of water through the phospholipids and through aquaporins from an area of higher concentration to an area of lower concentration; passive transport
12
30 sec
Q.
Movement of molecules through the carrier protein channels from an area of higher concentration to an area of lower concentration; passive transport
13
30 sec
Q.
transport proteins that require energy to move ions against their concentration gradient; type of active transport
14
30 sec
Q.
release of substances out a cell by the fusion of a vesicle with the membrane; type of active transport
15
30 sec
Q.
taking in a substance by a cell wrapping its membrane around the material; type of active transport
16
30 sec
Q.
from high to low concentration
17
30 sec
Q.
from low to high concentration
18
30 sec
Q.
span the membrane between the intracellular and extracellular environments; specifically move particles across the membrane
19
30 sec
Q.
In a solution, the substance in which the solute dissolves; water
20
30 sec
Q.
A substance that is dissolved in a solvent when making a solution