Assign # ____
name____________________________________per_____
MEMBRANES AND MEMBRANE PROCESSES
POWERPOINT TEST REVIEW NOTE SHEET
1- (fill-in) ALL CELLS HAVE AN EXTERNAL _______________ __________________ AND ALL
EUKARYOTES HAVE ______________-__________________ ____________________.
2- WHAT ARE THE 3 GENERAL FUNCTIONS OF ALL MEMBRANES?
A-
B-
C-
3- WHY IS THE CURRENT VIEW OF MEMBRANE STRUCTURE CALLED THE “FLUID MOSAIC
MODEL?”
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5- What maintains the stability of the PHOSPHOLIPID BILAYER?
6- HOW DOES THE PACKED ROOM ANALOGY HELP EXPLAIN THE FORCE OR MECHANISM
BEHIND THE PROCESS OF DIFFUSION?
7- DEFINE DIFFUSION
8- EXPLAIN AND TAKE NOTES:
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9.
10-DYNAMIC EQUILIBRIUM
11-OSMOSIS
12-HYPOTONIC SOLUTION
13-ISOTONIC SOLUTION
14-HYPERTONIC SOLUTION
15- WHAT IS THIS? WHAT HAPPENS? WHY?
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\
\
WHY?
16
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17- WHAT DOES SEMI-PERMEABLE MEAN?
18- WHAT KINDS OF MOLECULES CAN DIFFUSE ACROSS A SEMI-PERMEABLE MEMBRANE?
19- WHEN DIFFUSION INVOLVES A ___________________ AND _______________________ IT IS
KNOWN AS _________________________.
20- LABEL AND DISCUSS:
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21- ADD ARROWS AND LABEL/EPLAIN THESE 2 DIAGRAMS:
SUMMARY:
22- METHODS OF TRANSPORTING SUBSTANCES ACROSS MEMBRANES WITHOUT USING CELLULAR ENERGY
23- METHODS OF TRANSPORTING SUBSTANCES ACROSS MEMBRANES THAT MUST USE CELLULAR ENERGY
24- METHODS OF TRANSPORTING SMALL SUBSTANCES ACROSS MEMBRANES
25-METHODS OF TRANSPORTING LARGE SUBSTANCES ACROSS MEMBRANES
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