PATHOPHYSIOLOGY FOR DISEASE IN ADULTS AND CHILDREN 8 TH EDITION BY MCCANCE HUETHER (TEST BANK)

PATHOPHYSIOLOGY FOR DISEASE IN ADULTS AND CHILDREN 8 TH EDITION BY MCCANCE HUETHER (TEST BANK) ❖ BEST FOR BIOLOGY REVHOPISION GUIDE ❖ ANSWERS WITH EXPLANATION ❖ CHAPTER1-50 Chapter 1: Cellular Biology MULTIPLE CHOICE 1. Which statement best describes the cellular function of metabolic absorption? a. Cells can produce proteins. c. Cells can take in and use nutrients. b. Cells can secrete digestive enzymes. d. Cells can synthesize fats. ANS: C In metabolic absorption, all cells take in and use nutrients and other substances from theirsurroundings. The remaining options are not inclusive in their descriptions of cellular metabolic absorption. PTS: 1 REF: Page 2 2. Most of a cell’s genetic information, including RNA and DNA, is contained in the: a. Mitochondria c. Nucleolus b. Ribosome d. Lysosome ANS: 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 other options do not contain most of a cell’s genetic information. PTS: 1 REF: Page 2 3. Which component of the cell prodNuUceRsSIhNyGdTroBg.CenOMperoxide (H2O2) by using oxygen to remove hydrogen atoms from specific substrates in an oxidative reaction? a. Lysosomes c. Ribosomes b. Peroxisomes d. Oxyhydrosomes ANS: B Peroxisomes are so named because they usually contain enzymes that use oxygen to remove hydrogen atoms from specific substrates in an oxidative reaction that produces H2O2, which is a powerful oxidant and p...

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