Which of the following isare essential function of

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1. Which of the following is/are essential function of the cell membrane? I. barrier II. passage of waste products III. protection of the subcellular organelle IV. allowing transport of essential nutrients A. I and II only B. II and III only C. I, II and III only D. I, II, III and IV
2. How is the arrangement of layers in the cell membrane is formed by the arrangement of phospholipids in a manner that their head regions (which are hydrophilic) face external environment as well as the internal cytosolic environment.
3. Which of the following BEST describes the term hydrophilic?
4. Which of the following BEST describes the term hydrophobic?
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5. How does the hydrophilic and hydrophobic layers function for the cell? A. It forbids Carbohydrates and protein. B. It permits ions to pass through the bilayer. C. It prohibits the entry of amino acids and nucleic acid. D. All of the above
6. Which of the following structure in the membrane that communicates to the inside of the cell about what is happening outside the cell. I. Marker proteins II. Receptor proteins III. Transport proteins IV. Phospholipid bilayer for items 7 to 1. choices. How cell membrane allows substances to pass through in
these diagrams?
7. 9. 9. Elvina is science teacher. She wants to show to her students the process of diffusion on how cell membrane allows substance to pass through. Which illustration should she use to correctly show diffusion?
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10. Teacher John let her students to make an illustration showing the process of diffusion and osmosis. Below are the illustrations of his students. Student A Osmosis Diffusion Student B Diffusion Osmosis Based on the works of his students, who shows the correct illustration? A. Student A B. Student B C. Both A and B D. None of the students got the correct illustration

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