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Praxis Middle School Science: Cell Biology 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. What part of the mitochondria creates more space for cellular respiration?

Question 2 2. Which of the following cells might have the most mitochondria?

Question 3 3. When does reception occur during cell signaling?

Question 4 4. Which part of a phospholipid is hydrophobic?

Question 5 5. Which of the following is NOT true of the endomembrane system

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Question 6 6. The Fluid Mosaic Model describes parts of the cell membrane such as proteins and phospholipids as _____.

Question 7 7. Which of the following functions is carried out by intermediate filaments but not microtubules?

Question 8 8. Where is the starting point of ribosome synthesis?

Question 9 9. The following cytoskeleton component(s) can be dynamic, shrinking and growing by adding and subtracting subunits:

Question 10 10. What are ribosomes comprised of?

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Question 11 11. On the following diagram, which number indicates where DNA is located?

Question 12 12. What type of cell might have more smooth ER?

Question 13 13. Which of the following makes up flagella?

Question 14 14. Which part of the endomembrane system is a site for protein synthesis?

Question 15 15. Carbohydrates in the cell membrane contribute to which of the following?

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Question 16 16. Which of the following is NOT true of the phosphate group in a phospholipid? The phosphate groups are…

Question 17 17. Which of the following does NOT take place in the nucleus?

Question 18 18. How do large proteins enter the cell?

Question 19 19. What is the fundamental unit of life?

Question 20 20. How do we know that cell signaling is an ancient process?

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Question 21 21. Which ribosomal site joins amino acids via a polypeptide bond?

Question 22 22. Which of the following is NOT a function of the cytoskeleton?

Question 23 23. Where are the A, P, and E sites located?

Question 24 24. The following cellular compartment(s) contain a lumen created by their membranes:

Question 25 25. Which part of the endomembrane system synthesizes lipids and steroids?

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Question 26 26. What language does the word 'hydro' come from?

Question 27 27. How is the phospholipid bilayer oriented?

Question 28 28. Which of the following is involved in cell communication?

Question 29 29. Which of these terms best describes the nonspecific internalization of dissolved substances outside the cell?

Question 30 30. Which of the following first binds to the mRNA message?

Praxis Middle School Science: Cell Biology 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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