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Praxis Biology: Cell Structures and Functions 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!

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Question 1 1. Why does active transport require energy?

Question 2 2. Which is a membrane-bound organelle?

Question 3 3. What type of cell might have more smooth ER?

Question 4 4. What is the relationship between osmosis and the bacterial cell wall?

Question 5 5. Which part of the endomembrane system synthesizes lipids and steroids?

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Question 6 6. What is another term for the intracellular space?

Question 7 7. How do large proteins enter the cell?

Question 8 8. Which of the following makes up flagella?

Question 9 9. A sodium potassium pump is a type of...

Question 10 10. Which of the following is true of the lysosome?

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Question 11 11. Which process best describes the internalization of a specific protein outside the cell?

Question 12 12. Starting from inside the cell, what is the correct order of cell envelope components in Gram-negative bacteria?

Question 13 13. Which of the following helps maintain the shape of the nucleus?

Question 14 14. What type of transport uses membrane proteins to passively move solutes?

Question 15 15. The purpose of _____ is to provide separation and compartmentalization of processes in eukaryotes.

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Question 16 16. Which of the following is NOT a function of the cytoskeleton?

Question 17 17. Which process best describes nonspecific internalization of dissolved substances outside the cell?

Question 18 18. Which of the following functions is carried out by intermediate filaments but not microtubules?

Question 19 19. Which ribosomal site joins amino acids via a polypeptide bond?

Question 20 20. Carbohydrates in the cell membrane contribute to which of the following?

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Question 21 21. Active transport involves

Question 22 22. The following cellular compartment(s) contain a lumen created by their membranes:

Question 23 23. Which types of molecules will easily pass through the fatty acid chains in the middle of the bilayer?

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

Question 25 25. 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?

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Question 26 26. The Fluid Mosaic Model describes parts of the cell membrane such as proteins and phospholipids as _____.

Question 27 27. Protons pumped into the central vacuole can affect this space by making it:

Question 28 28. A plant cell in a hypertonic solution will respond by:

Question 29 29. What is the purpose of cholesterol in the cell membrane?

Question 30 30. What do both prokaryotes and eukaryotes have that is involved in translation?

Praxis Biology: Cell Structures and Functions 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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