A Level Biology – Simple and Facilitated Diffusion
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Question 1 of 19
1. Question
What is the name given to the net movement of molecules or ions from a region where they are more highly concentrated to one where their concentration is lower or until evenly distributed?
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Question 2 of 19
2. Question
What is the name given to the net movement of molecules or ions from a region where they are more highly concentrated to one where their concentration is lower or until evenly distributed, with the use of ATP?
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Question 3 of 19
3. Question
What biological process produces ATP?
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Question 4 of 19
4. Question
What type of energy is used in passive processes?
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Question 5 of 19
5. Question
Which of these is a passive process?
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Question 6 of 19
6. Question
What is reached when molecules have moved down their concentration gradient but remain evenly dispersed?
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Question 7 of 19
7. Question
Which of these can pass through the lipid bilayer?
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Question 8 of 19
8. Question
Which of these characteristics of water would suggest it cannot penetrate the lipid bilayer?
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Question 9 of 19
9. Question
What does simple diffusion rely on?
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Question 10 of 19
10. Question
What happens to the rate of diffusion as temperature increases?
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Question 11 of 19
11. Question
What happens to the rate of diffusion as diffusion distance decreases
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Question 12 of 19
12. Question
What happens to the rate of diffusion as the surface area increases?
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Question 13 of 19
13. Question
Which of these is used to increase surface area?
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Question 14 of 19
14. Question
What happens to the rate of diffusion as molecule size increases?
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Question 15 of 19
15. Question
Which of these molecules will not have to pass through a protein channel?
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Question 16 of 19
16. Question
What is found in membranes to reduce the permeability to small water-soluble molecules?
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Question 17 of 19
17. Question
What must glucose bind to, to be able to pass through a plasma membrane?
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Question 18 of 19
18. Question
What must neurone membranes have many of?
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Question 19 of 19
19. Question
What must the membranes of epithelial cells in your airways have many of?
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