|
|
What is the function of Structure E? (Activity 8A) 
|
| transport across the plasma membrane |
| stabilization of the phospholipids |
| cell-cell communication |
| structural support of the cell |
| detection of environmental change |
|
|
|
Identify Structure D. (Activity 8A) 
|
| glycoprotein |
| cholesterol |
| phospholipid bilayer of membrane |
| extracellular matrix |
| protein |
|
|
|
Identify Structure A. (Activity 8A) 
|
| glycoprotein |
| cholesterol |
| phospholipid |
| extracellular matrix |
| protein |
|
|
|
Click on structure A to see an animation of its function. Structure A is a(n) _____. (Activity 8B)
|
| receptor molecule |
| antibody |
| structural protein |
| enzyme |
| transport protein |
|
|
|
Which of these cannot pass directly through the phospholipids of the plasma membrane? (Activity 8B) 
|
| A |
| B |
| C |
| D |
| B, C, and D |
|
|
|
Click on the art to see an animation. What name is given to the process? (Activity 8C)
|
| sodium-potassium pump |
| turgor |
| active transport |
| osmosis |
| diffusion |
|
|
|
What name is given to the process by which water crosses a selectively permeable membrane? (Activity 8D)
|
| diffusion |
| passive transport |
| phagocytosis |
| pinocytosis |
| osmosis |
|
|
|
This cell is in a(n) _____ solution. (Activity 8D)
|
| hypotonic |
| hypertonic |
| isotonic |
| hypotonic and isotonic |
| hypertonic or isotonic |
|
|
|
You know that this cell is in a(n) _____ solution because the cell _____. (Activity 8D) 
|
| hypertonic ... lost water |
| hypertonic ... gained water |
| isotonic ... neither lost nor gained water |
| hypotonic ... shrunk |
| hypotonic ... swelled |
|
|
|
Click on the cell to start the animation. This plant cell is _____. (Activity 8D)
|
| lysing |
| in a hypotonic solution |
| hypertonic solution |
| in an isotonic solution |
| losing water |
|
|
|
You know that this cell is in a(n) _____ solution because it _____. (Activity 8D) 
|
| hypotonic ... is turgid |
| hypotonic ... lysed |
| hypertonic ... lysed |
| hypertonic solution ... lost water |
| hypertonic ... gained water |
|
|
|
Click on the membrane protein to begin the animation. This process is referred to as _____. (Activity 8E)
|
| phagocytosis |
| facilitated diffusion |
| osmosis |
| pinocytosis |
| active transport |
|
|
|
Structure A is a _____. (Activity 8E) 
|
| water molecule |
| phospholipid |
| transport protein |
| solvent |
| solute |
|
|
|
Structure B is a _____. (Activity 8E) 
|
| water molecule |
| phospholipid |
| transport protein |
| solvent |
| solute |
|
|
|
Click on the membrane transport protein to start the animation. Which of these is TRUE with regard to this animation? (Activity 8F)
|
| Sodium ions are transported down their concentration gradient. |
| An electrochemical gradient forms across the plasma membrane. |
| The cell does not expend ATP. |
| The cell is not expending energy. |
| Potassium ions are transported down their concentration gradient. |
|
|
|
Endocytosis moves materials _____ a cell via _____. (Activity 8G)
|
| into ... facilitated diffusion |
| into ... membranous vesicles |
| into ... a transport protein |
| out of ... diffusion |
| out of ... membranous vesicles |
|
|
|
Click on the vesicle. This is an animation of _____. (Activity 8G)
|
| facilitated diffusion |
| exocytosis |
| phagocytosis |
| endocytosis |
| osmosis |
|
|
|
Click on the brown debris. This is an animation of _____. (Activity 8G)
|
| facilitated diffusion |
| exocytosis |
| phagocytosis |
| diffusion |
| receptor-mediated endocytosis |
|
|
|
Click on the extracellular fluid. You know that this process is _____ because _____. (Activity 8G)
|
| phagocytosis ... the cell is engulfing a large particle |
| pinocytosis ... the cell is engulfing a large particle |
| phagocytosis ... the cell is engulfing extracellular fluid |
| receptor-mediated endocytosis ... a receptor protein is involved |
| pinocytosis ... the cell is engulfing extracellular fluid |
|
|
|
Click on the receptor protein. This is an animation of _____. (Activity 8G)
|
| facilitated diffusion |
| exocytosis |
| phagocytosis |
| diffusion |
| receptor-mediated endocytosis |
|
|
|
A white blood cell engulfing a bacterium is an example of _____. (Activity 8G)
|
| pinocytosis |
| receptor-mediated endocytosis |
| exocytosis |
| phagocytosis |
| facilitated diffusion |