Cell Structure & Function Study Guide

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microtubule_________________________________________________________________________________actin microfilament___________________________________________________________________________intermediate filament_________________________________________________________________________centrioles__________________________________________________________________________________extracellular matrix___________________________________________________________________________7. Trace the path of protein production from a secretory cell, starting with the nucleus. (p.62, notes)(Label the organelles involved)8. How are adjoining cells arranged in plants and animals? How do they communicate? (p.66)________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________9. Describe the theory of endosymbiosis. Explain its relevance to eukaryotic cell structure. (notes)________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Part B. <strong>Cell</strong> Membrane1. Describe the fluid mosaic model of the plasma membrane. (p.80)____________________________________________________________________________________________________________________________________________________________________________________
2. What is membrane fluidity? In animal cells, how can fluidity be reduced? (p.80, notes)______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________3. Describe the plasma membrane in terms of its orientation of: proteins and lipids: (notes)a. peripheral _______________________________________________________________________________b. integral __________________________________________________________________________________c. phospholipids _____________________________________________________________________________4. What membrane structures are important for cell-cell recognition? (p.80)__________________________________________________________________________________________5. List and briefly define the roles of membrane proteins. (p.80-81, notes)a. ________________________________________________________________________________________b. ________________________________________________________________________________________c. ________________________________________________________________________________________d. ________________________________________________________________________________________e. ________________________________________________________________________________________f. ________________________________________________________________________________________6. What types of molecule easily cross the membrane? (p.81) ________________________________________7. How are molecules that do not easily cross the membrane transported? (p.82-84)__________________________________________________________________________________________8. Define the following:a. diffusion _________________________________________________________________________________b. osmosis ________________________________________________________________________________9. What is meant by facilitated diffusion? (p.82) _______________________________________________________________________________________________________________________________________________________________________________________________________________________________________10. How do active and passive transport differ? (p.84)____________________________________________________________________________________________________________________________________________________________________________________
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Cell Structure & Function Study Guide

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