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Understanding Cell Transportation Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

Page 1

Question 1 1. Why does active transport require energy?

Question 2 2. A sodium potassium pump is a type of...

Question 3 3. This type of integral membrane protein moves two substances in the same direction

Question 4 4. Chemical energy is required for active transport to establish a specific concentration gradient. In a sodium potassium-pump, chemical energy specifically serves to help the pump

Question 5 5. Why does the process of gas exchange need to be efficient?

Page 2

Question 6 6. The process that takes place in the lungs which involves the movement of oxygen and carbon dioxide is known as _____.

Question 7 7. Which of the following does NOT contribute to the efficiency of gas exchange?

Question 8 8. Which of the following best describes how gas exchange occurs?

Question 9 9. What are capillaries?

Question 10 10. In the process of capillary fluid exchange, what controls diffusion?

Page 3

Question 11 11. What is the result of fluid exchange where the capillaries meet the vein?

Question 12 12. As blood enters the capillary bed from the artery, what happens?

Question 13 13. _____ uses diffusion to cause waste products to leave the blood.

Question 14 14. Diffusion causes particles to move so that they have _____.

Question 15 15. Which of the following would NOT be an example of diffusion?

Page 4

Question 16 16. The goal of diffusion is for the particles to reach _____.

Question 17 17. What is the role of the alveoli in exchanging materials with the environment?

Question 18 18. Why are gills red?

Question 19 19. Why are thin leaves an adaptation of plants?

Question 20 20. Why are root hairs needed for nutrient absorption in plants?

Page 5

Question 21 21. What type of transport uses membrane proteins to passively move solutes?

Question 22 22. The inside of a cell contains more solutes than the outside of the cell. Which describes the inside of the cell and the direction of water?

Question 23 23. Which type of integral membrane protein helps molecules move across the cell membrane by binding and releasing them?

Question 24 24. Diffusion of small, non-polar molecules across the cell membrane along a concentration gradient is...

Question 25 25. ____ is the flow of water down its concentration gradient, across a semi-permeable membrane.

Page 6

Question 26 26. If you want to make cells burst, you should put them in a/an ____ solution.

Question 27 27. Which of the following statements is true?

Question 28 28. Osmosis is an example of ____, which is the tendency of molecules to distribute themselves evenly in a space.

Question 29 29. Active transport involves

Question 30 30. Why do we have millions of alveoli in each lung?

Understanding Cell Transportation Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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