4. When viewing a specimen through a light microscope, scientists use the indivi

Question

4. When viewing a specimen through a light microscope, scientists use the individual components of cells. a. the ribosomes b. the vesicles c. the cytoplasm d. the nucleoplasm to distinguish a. a beam of electrons b. radioactive isotopes c. special stains d. high temperatures 10. Peroxisomes got their name because hydrogen peroxide is: a. used in their detoxification reactions b. produced during their oxidation reactions c. incorporated into their membranes d. a cofactor for the organelles' enzymes 5. The is the basic unit of life. a. organism b. cell c. tissue d. orgarn 11. In plant cells, the function of the lysosomes is carried out by 6. Prokaryotes depend on materials and to get rid of wastes. to obtain some a. vacuoles b. peroxisomes c. ribosomes d. nuclei a. ribosomes b. flagella c. cell division d. diffusion 12. Which of the following is both in eukaryotic and prokaryotic cells? 7. Bacteria that lack fimbriae are less likely to a. nucleus b. mitochondrion c. vacuole d. ribosomes a. adhere to cell surfaces b. swim through bodily fluids c. synthesize proteins d. retain the ability to divide 13. Tay-Sachs disease is a genetic disorder that results in the destruction of neurons due to a buildup of sphingolipids in the cells. Which organelle is malfunctioning in Tay-Sachs? 8. Which of the following organisms is a prokaryote? a. amoeba b. influenza A virus c. charophyte algae d. E. coli a. lysosome b. endoplasmic reticulum c. peroxisome d. mitochondria 9. Which of the following is surrounded by two phospholipid bilayers? 14. Which of the following is not a component of the endomembrane system?

Explanation / Answer

4.C

5.B

6.D

7.A

8.D

9.D

10.B

11.B

12.D

13.A

14.A

15.B

16. C

17.C

18.A

19.B

20.D

21.C

22.C

23.C

24.D

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