Multiple Choice
Which of the following is not a characteristic of facilitated diffusion?
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6. The Membrane
Simple and Facilitated Diffusion
Back6. The Membrane
Simple and Facilitated Diffusion
- Multiple ChoiceWhat is a similarity between simple diffusion and facilitated diffusion?369views
- Multiple ChoiceWhich of these statements describes what occurs in facilitated diffusion?270views
- Multiple Choice
Which of the following processes includes all of the others?
7817views44rank - Multiple Choice
The difference between simple and facilitated diffusion is that facilitated diffusion:
5475views33rank - Multiple Choice
Which of the following does not accurately describe a channel or a carrier?
3208views36rank - Multiple Choice
Which type(s) of molecules cannot enter/exit the cell via simple diffusion and require facilitated diffusion?
3524views46rank - Multiple ChoiceWhich of the following molecules is most likely to passively diffuse across the plasma membrane?1915views2rank
- Multiple ChoiceWhich of the following would be least likely to diffuse through a plasma membrane without the help of a transport protein?1762views
- Multiple ChoiceWhich of the following statements about diffusion is true?1576views
- Multiple ChoiceCells A and B are the same size, shape, and temperature, but cell A is metabolically less active than cell B, and cell B is actively converting oxygen to water in cellular respiration. Oxygen will diffuse more rapidly into cell __________ because __________.2100views1rank
- Multiple ChoiceWhich of these statements describes some aspect of facilitated diffusion?3192views
- Multiple ChoiceWhich of the following is false in regard to facilitated diffusion?1876views
- Textbook Question
Based on Figure 7.18, which of these experimental treatments would increase the rate of sucrose transport into a plant cell?
a. Decreasing extracellular sucrose concentration
b. Decreasing extracellular pH
c. Decreasing cytoplasmic pH
d. Adding a substance that makes the membrane more permeable to hydrogen ions
2001views - Textbook Question
Draw and label the plasma membrane of a cell that is placed in a solution with concentrations of calcium ions and lactose that are greater than those on the inside of the cell. Use arrows to show the relevant gradients and the activity of the following membrane proteins:
(1) A pump that exports protons
(2) A calcium channel
(3) A lactose carrier
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