Cytology

1. Inhibitors that prevent ATP production in cells would MOST likely affect the
 ribosomes.
 mitochondria.
 Golgi apparatus.
 rough endoplasmic reticulum.

2. Cells lacking rough endoplasmic reticulum would NOT likely be able to produce
 vesicles.
 any proteins.
 steroid hormones.
 enzymes for secretion.

3. Which organelles give off oxygen and use up carbon dioxide?
 Lysosomes.
 Chloroplasts.
 Mitochondria.
 Endoplasmic reticulum.

4. Which of the following BEST describes a function of smooth endoplasmic reticulum?
 Protein storage.
 Communication.
 Energy distribution.
 Intracellular transport.

5. Which of the following organelles are rich in RNA?
 ribosomes.
 lysosomes.
 mitochondria.
 transport vesicles.

6. Vesicles which fuse with the cell membrane for exocytosis are MOST likely produced by the
 ribosomes.
 Golgi apparatus.
 nuclear membrane.
 endoplasmic reticulum.

7. Which of the following BEST describes traffic through a nuclear pore?
 Enzymes in; nucleic acids in.
 Enzymes out; nucleic acids in.
 Enzymes in; nucleic acids out.
 Enzymes out; nucleic acids out.

8. Where in a cell are steroids produced?
 Nucleus.
 Cytoplasm.
 Rough endoplasmic reticulum.
 Smooth endoplasmic reticulum.

9. Which of the following MOST correctly identifies the sequence of organelles involved in the production and secretion of a protein?
 Ribosome, Golgi apparatus, vesicle, rough ER, cell membrane.
 Ribosome, rough ER, Golgi apparatus, vesicle, cell membrane.
 Rough ER, ribosome, vesicle, Golgi apparatus, cell membrane.
 Cell membrane, vesicle, ribosome, rough ER, Golgi apparatus.

10. Which of the following BEST describes the function of Golgi apparatus?
 Phagocytosis.
 Protein synthesis.
 Intracellular digestion.
 Modifying cellular products for secretion.

11. Which of the following is LEAST likely a role of RER?
 Producing vesicles.
 Intracellular transport.
 Detoxification of cytoplasm.
 Synthesis of membrane phospholipids.

12. Lysosomes are produced by the
 nucleus.
 cell membrane.
 Golgi apparatus.
 endoplasmic reticulum.

13. The interconnected nature of RER and SER may facilitate
 greater distribution of ribosomes throughout the cytoplasm.
 steroid producing enzymes to move from the RER to the SER.
 vesicle movement from the endoplasmic reticulum to the Golgi apparatus.
 the movement of phospholipids from SER to vesicle-producing sections of RER.

Use the following diagram to answer the next two questions.



14. Which of the following is synthesized by structure V?
 ATP.
 proteins.
 vesicles.
 ribosomes.

15. Which of the organelles in the diagram synthesizes the subunits of ribosomes?
 W
 X
 Y
 Z

16. When secretory products are being transported to the cell membrane for export, they
 move through the ER.
 are enclosed in a vesicle.
 are transported by carrier molecules.
 diffuse freely through the cytoplasm.

17. Which of the following is FALSE?
 The contents of a lysosome could destroy a cell.
 The Golgi apparatus is a packaging area for cell products.
 RER is associated with the production and distribution of proteins.
 When RER loses its ribosomes, it begins to manufacture steroid hormones.

18. Cells that engulf and digest foreign bacterial cells could be expected to have lots of
 nuclei.
 nucleoli.
 ribosomes.
 lysosomes.

19. Which of the following structures are NOT membranous organelles?
 Vesicles.
 Ribosomes.
 Lysosomes.
 Mitochondria.

20. Which of the following structures contains genetic information?
 Polysomes.
 Ribosomes.
 Lysosomes.
 Chromosomes.

21. What type of biochemical are flagella and cilia composed of?
 Lipids.
 Proteins.
 Nucleic acid.
 Carbohydrates.

22. Cells with lots of vesicles could logically be expected to contain
 Golgi apparatus.
 Rough endoplasmic reticulum.
 Smooth endoplasmic reticulum.
 All of these answers could be correct.

23. Which sequence of cell parts given below is most closely associated with protein secretion?

1. Vesicle
2. Cell membrane
3. Golgi apparatus
4. RER

 4, 1, 2, 1, 3
 2, 1, 3, 1, 4
 4, 1, 3, 1, 2
 4, 3, 1, 2, 1

24. Chose the FALSE statement from among the following.
 Photosynthesis takes place in chloroplasts.
 Ribosomes are the centers of protein synthesis.
 Mitochondria are the sites of cellular respiration.
 The nuclear envelope is a non-porous barrier between the nucleoplasm and cytoplasm.

25. Which sequence of these cell parts is correctly associated with intracellular digestion?

1. Food vacuole
2. Cell membrane
3. Lysosome

 2, 1, 3
 1, 2, 3
 2, 3, 1
 1, 2, 3

26. The regulation of the movement of materials into and out of a cell is the function of the
 vesicles.
 cell wall.
 cell membrane.
 Golgi apparatus.

Use the following diagram to answer the next two questions.



27. A function of the organelle labeled X is to
 make ATP.
 synthesize proteins.
 manufacture glucose.
 prepare secretory vesicles.

28. A function of the structure labeled Y is
 enzyme storage
 lysosome production
 detoxify the cytoplasm.
 steroid manufacture and packaging.

29. The presence of an inner membrane that is folded to form cristae is characteristic of
 lysosomes.
 chloroplasts.
 mitochondria.
 Golgi apparatus.

30. Where are the chemical substances contained within lysosomes actually produced?
 Outside the cell.
 Golgi apparatus.
 Rough endoplasmic reticulum.
 Ribosomes embedded in RER.

31. A function of the Golgi apparatus is
 synthesizing RNA.
 manufacturing ATP.
 preparing cell secretions.
 controlling genetic variation.

32. Cells that produce large numbers of steroid hormones are expected to have
 fatty deposits.
 extra-large vacuoles.
 a great many ribosomes.
 smooth endoplasmic reticulum.

The next question refers to the following set of diagrams.



33. Which of the following is the correct sequence of the events and organelles involved in the production and secretion of a protein? (Note: CM = cell membrane.)
 Z, Y, W, X
 Y, X, Z, W
 W, Z, X, Y
 Z, W, X, Y

34. Which of the following is true for SER, but NOT for RER?
 Produce vesicles.
 Intracellular transport.
 Detoxify substances for the cell.
 Associated with the synthesis of hormones.

35. Which of the following organelles most likely has the function of enzyme storage?
 Lysosome.
 Chloroplast.
 Mitochondria.
 Golgi apparatus.