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Unformatted text preview: syed (sms3768) HW5 sathasivan (48475) 1 This print-out should have 10 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. 001 10.0 points Which of the following pairs does not match? 1. nucleolus : ribosomal RNA 2. nucleus : DNA replication 3. cell membrane : lipid bilayer 4. cytoskeleton : microtubules 5. lysosome : protein synthesis correct Explanation: Lysosome and protein synthesis do not match; lysosome has different functions and does not take part in protein synthesis. It con- tains hydrolytic enzymes that hydrolyze pro- teins, polysaccharides, fats and nucleic acids. 002 10.0 points Which of the following structures is directly involved in the transport of ions from one animal cell to the cytoplasm of an adjacent cell? 1. tight junctions 2. desmosomes 3. gap junctions correct 4. plasmodesmata 5. intermediate filaments Explanation: Only gap junctions are directly involved in the transport of ions from one cell to the cytosol of the adjoining cell....
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