TEST BANK PATHOPHYSIOLOGY THE BIOLOGIC BASIS FOR DISEASE IN ADULTS AND CHILDREN 8th Edition Kathryn L. McCance, Sue E. Huether

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• Cells can synthesize fats. AN S: C In metabolic absorption, all cells take in and use nutrients and other substances from their surroundings. The remaining options are not inclusive in their d... escriptions of cellular metabolic absorption. PTS: 1 DIF: Cognitive Level: Remembering • Where is most of a cell’s genetic information, including RNA and DNA, contained? • Mitochondria • Ribosome • Nucleolus • Lysosome AN S: C The nucleus contains the nucleolus, a small dense structure composed largely of RNA, most of the cellular DNA, and the DNA-binding proteins, such as the histones, which regulate its activity. The mitochondria are responsible for cellular respiration and energy production. Ribosomes’ chief function is to provide sites for cellular protein synthesis. Lysosomes function as the intracellular digestive system. PTS: 1 DIF: Cognitive Level: Remembering • Which component of the cell produces hydrogen peroxide (H2O2) by using oxygen to remove hydrogen atoms from specific substrates in an oxidative reaction? • Lysosomes • Peroxisomes • Ribosomes • Endosome AN S: B Peroxisomes are so named because they usually contain enzymes that use oxygen to remove hydrogen atoms from specific substrates in an oxidative [Show More]

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