1) These are changes in the structure of cells that makes them more efficient in doing their work. a) cell cycle b) cell modicfications c) cell types d) cell parts 2) 2. What modification occurs at the sides of the cell? a) A. Basal b) B. Apical c) C. Lateral d) D. Temporal 3) 3. What modification occurs at the bottom part of the cell? a) A. Basal b) B. Apical c) C. Lateral d) D. Temporal 4) 4. Which acts as barriers that regulate the movement of water and solutes between epithelial layers and prevent leakage?? a) A. Desmosomes b) B. Gap junctions c) C. Cell junctions d) D. Tight junctions 5) 5. A passageway between adjacent cells that allow the transfer of small molecules between adjacent cells. a) tight junction b) gap junction c) adhering junction 6) An anchoring junction on the basal surface of the cell and fasten cells to the basal lamina. a) Hemidesmosomes b) Plasmodesmata c) Desmosomes 7) An anchoring junction on the lateral surface of the cell and fasten cells to one another. a) Hemidesmosomes b) plasmodesmata c) Desmosomes 8) These are hair like structures that are often used in absorption, movement of laminar content, or in sensory functions. a) A. Villi b) C. Stereocillia c) B. Cillia d) D. Flagella 9) Which of the following modification allows for the flexible texture of animal tissues? a) A. cillia and stereocillia b) B. desmosomes and hemidesmosomes c) C. villi and microvilli d) D. flagella 10) Which of the following cell modification enable the epithelial cells of the intestines to efficiently absorb nutrients from digested food? a) cilia b) villi and microvilli c) dendrites d) stereo cilia

Cell Modifications

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