Transport Across The Membrane Review Game 2 Question Preview (ID: 20896)
Transport Across A Membrane.
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which of these is not taken in by a cell?
a) Waste
b) H2O
c) Oxygen
d) Proteins
Definition - the fact that the cell membrane only lets certain things in and out makes it __
a) permeable
b) semipermeable
c) impermeable
d) solid
The cell memb is made of these three molecules
a) proteins, lipids, nucleic acids
b) lipids, carbs and DNA
c) carbs, lipids, and proteins
d)
osmosis is the diffusion of
a) large, charged molecules
b) any molecule from low to high concentration
c) any molecule from high to low concentration
d) water
diffusion is the movement of
a) large, charged molecules
b) any molecule from low to high concentration
c) any molecule from high to low concentration
d) water
the more __ you add to a solution, the more concentrated it becomes
a) solute
b) solvent
c) water
d)
If a cell stays in pure water too long, it will
a) stay the same
b) shrink
c) swell
d) swell until it could pop
this is the balance that molecules are always trying to reach
a) momentum
b) hypertonic
c) equilibrium
d) solute
molecules that are large or charged move from high to low concentration through
a) protein channels
b) protein pumps
c) they squeeze in-between the lipids
d)
this is the salty, sugary liquid inside the cell
a) chloroplast
b) cytoplasm
c) mitochondria
d) water
Molecules that are likely to have to move through protein channels or pumps are
a) small
b) non-polar
c) large or charged
d)
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