Biology – Cell Structure

1. Ribosomes are made up of ____ subunits.


2. A gram-positive bacterium is stained _______________ by the gram stain


3. The bacterial cell wall is composed of


4. In bacteria, some of the functions of eukaryotic cells are performed by


5. Glycoproteins and glycolipids assembled in Golgi bodies are packaged for distribution in


6. Proteins synthesized by the rough ER are


7. Oxidative metabolism is carried out ____ of mitochondria.


8. A gram-negative bacterium is enclosed by


9. Which of the following is not a characteristic of prokaryotes?


10. The cytoplasm of a bacterium


11. Plants differ from animals in that plants have


12. The term “nuclear envelope” is more correct than the term “nuclear membrane” because


13. With which of the following are basal bodies not associated?


14. Bacteria may be propelled by


15. Depolymerization of microtubules is inhibited by


16. The arrangement of microtubules in eukaryotic flagella is referred to as


17. Unlike those of prokaryotes, eukaryotic cell walls are composed of


18. Within chloroplasts, light is captured by


19. The rough ER is so named because it has an abundance of _______________ on it.


20. Passage through pores in the nuclear envelope is restricted primarily to


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