Print Unscramble Letters Game: 9.4 Study Guide (biology - k6

1. prevents some substances from passing through the membrane but lets other molecules move through

T M A Y E E E L S E E E I V L L R C B P

2. Molecules that cannot freely pass through the membrane must cross through one of the ____________ embedded in it.

N O T P R S I E

3. Substances that can move into and out of a cell do so by means of either passive or active ___________.

O N R P T A S T R

4. The movement of materials through the membrane without the use of cellular energy

V S R O T S A N P I P R A S T E

5. small molecules can move freely across the cell membrane from areas of high concentration to areas of lower concentration

F O N I I U S D 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

N E X Y G O

8. A material that enters and leaves the cell by diffusion

E B D I I X C D A O R O N

9. Molecules that cannot move through the cell membrane can diffuse through specialize protein channels in a process called...

I L T U F F I N A D F O S E I C D A T I

10. Uses cellular energy to move materials through the cell membrane

T R I A N T C E V R O T S A P

11. proteins in the cell membrane that can move small molecules from an area of lower concentration to a region of higher concentration

P T O R I O R T P T S A R S N E N

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

C O N S D S I E Y T O

13. Moves large materials where vacuoles fuse with the membrane to expel large particles

X S E O C S Y I T O

14. What is made of a double layer of lipids?

M N M E E R A C L E B L

15. What controls the materials that move into and out of a cell?

E R E E L M A N M B C L