Multiple Choice
Which of the following statements about passive transport is correct?
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2. Cell Chemistry & Cell Components
Passive vs. Active Transport
Back2. Cell Chemistry & Cell Components
Passive vs. Active Transport
- Multiple ChoiceWhat allows sodium and potassium ions to flow down their electrochemical gradient across the cell membrane?
- Multiple ChoiceWhich of the following membrane movements is not a passive process?1views
- Multiple ChoiceWhich of the following is an example of passive transport in cells?2views
- Multiple Choice
A transport protein that simultaneously transports two different molecules in different directions is called:
5views - Multiple ChoiceWhich of the following is a correct difference between active transport and facilitated diffusion?27views
- Multiple Choice
What is the difference between active and passive transport across a membrane?
2views - Multiple ChoiceWhich of the following statements best describes the movement of sodium and potassium ions across the plasma membrane?
- Textbook Question
By what three major transport mechanisms do substances get into and out of cells?
1views - Multiple ChoiceLeak channels allow the movement of potassium and sodium ions by what type of membrane transport?1views
- Multiple ChoiceWhich of the following is a difference between primary and secondary active transport?1views
- Multiple ChoiceWhich of the following is a mechanism of carrier-mediated transport?1views
- Textbook Question
What is the primary difference between active transport processes and passive transport processes?
1views - Multiple ChoiceA cell has a membrane potential of –100 mV (more negative inside than outside) and has 1,000 times more calcium ions outside the cell than inside. Which of the following best describes a mechanism by which Ca2+ enters the cell?3views
- Textbook Question
Write a single sentence, using no more than 25 words, to summarize each of the following cellular processes:
Primary active transport