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Unformatted text preview: huynh (hph268) HW 4 Sathasivan (49810) 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 does not contain ac- tive ribosomes that are involved in protein synthesis? 1. a prokaryotic cell 2. a plant mitochondrion 3. a chloroplast 4. an animal mitochondrion 5. a nucleolus correct Explanation: In the nucleolus, ribosomal RNA is synthe- sized but while inside the nucleolus, rRNA is not active and does not take part in protein synthesis. 002 10.0 points Which of the following pairs does not match? 1. cytoskeleton : microtubules 2. cell membrane : lipid bilayer 3. nucleus : DNA replication 4. nucleolus : ribosomal RNA 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.teins, polysaccharides, fats and nucleic acids....
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