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1. prevents some substances from passing through the membrane but lets other molecules move through
E Y A S E M E T I B R E L E L C P V E L
2. Molecules that cannot freely pass through the membrane must cross through one of the ____________ embedded in it.
T O N S P R I E
3. Substances that can move into and out of a cell do so by means of either passive or active ___________.
O T R S R T N A P
4. The movement of materials through the membrane without the use of cellular energy
T O V T R A A P S S S N I P E R
5. small molecules can move freely across the cell membrane from areas of high concentration to areas of lower concentration
S F D I I O U N F
6. water crosses the cell membrane easily by ....
S O O S I S M
7. A material that enters and leaves the cell by diffusion
E Y O X N G
8. A material that enters and leaves the cell by diffusion
B O O R C D I X N D E A I
9. Molecules that cannot move through the cell membrane can diffuse through specialize protein channels in a process called...
T T O U E A I F L I F F D A S I I N C D
10. Uses cellular energy to move materials through the cell membrane
T T I T A R N E V O P A R C S
11. proteins in the cell membrane that can move small molecules from an area of lower concentration to a region of higher concentration
R T S A I N R E R S P N P T O T O
12. a type of active transport that moves materials that are too large to pass through transport proteins where the cell membrane changes shape to engulf particles
O S O C E I S T D N Y
13. Moves large materials where vacuoles fuse with the membrane to expel large particles
X O S O S I C Y E T
14. What is made of a double layer of lipids?
L L N B A M C E E M E R
15. What controls the materials that move into and out of a cell?
R A M E N M E L E B C L