Cell Membrane Model, Components & Transport 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. Which part of a phospholipid is hydrophobic?

Question 2 2. Active transport involves

Question 3 3. Exocytosis can be used to secrete newly made proteins out of the cell. It can also be used to add _____ directly to the cell membrane.

Question 4 4. How is the phospholipid bilayer oriented?

Question 5 5. Which process best describes the internalization of a specific protein outside the cell?

Page 2

Question 6 6. Why does active transport require energy?

Question 7 7. Which of the following is NOT true of the phosphate group in a phospholipid? The phosphate group is…

Question 8 8. Which process best describes nonspecific internalization of dissolved substances outside the cell?

Question 9 9. Which of the following is true of the lysosome?

Question 10 10. What is the purpose of cholesterol in the cell membrane?

Page 3

Question 11 11. Which types of molecules will easily pass through the fatty acid chains of the bilayer?

Question 12 12. Which type of integral membrane protein helps molecules move across the cell membrane by binding and releasing them?

Question 13 13. 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 14 14. This type of integral membrane protein moves two substances in the same direction

Question 15 15. A sodium potassium pump is a type of...

Page 4

Question 16 16. What language does the word 'hydro' come from?

Question 17 17. Carbohydrates in the cell membrane contribute to which of the following?

Question 18 18. What type of transport uses membrane proteins to passively move solutes?

Question 19 19. Which of the following is involved in cell communication?

Question 20 20. What is another term for the intracellular space?

Page 5

Question 21 21. A foreign cell has entered your blood stream. Which process describes how it can be engulfed by one of the cells in your immune system?

Question 22 22. Diffusion of small, non-polar molecules across the cell membrane along a concentration gradient is...

Question 23 23. The Fluid Mosaic Model describes proteins _____.

Question 24 24. What is the fundamental unit of life?

Question 25 25. 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

Cell Membrane Model, Components & Transport 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!

Biology 101: Intro to Biology  /  Science Courses
Support