The following questions (23-27) are from these sources Nursing School Entrance E
ID: 1046456 • Letter: T
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The following questions (23-27) are from these sources Nursing School Entrance Exam 2005, Learning Express, LLC Cliffs Test Prep: Nursing School Entrance Exams by Fred N. Grayson Inc. 2004, Wiley Publishing. 23. The molecular formula for glucose is, and the molecular formula for fructose is. Which of the following describe glucose and fructose? b ) isomers c) hexoses d) anomers 24. Which polysaccharide is a branched polymer of glucose found in the liver and muscle cells? a. amylase b. cellulose c. glycogen d. amylopectin 25. Steroids are classified as: b. nucleic acids, c. lipids. d. proteins. 26. Identify each of the following characteristics as describing an unsaturated fatty acid or a saturated fatty acid: Circle one a. Contains more hydrogen atoms b. Is more healthy c. More plentiful in plant sources d. Is usually a solid at room temperaturesaturated/ unsaturated fatty acid / unsaturated fatty acid / unsaturated fatty acid saturated/ unsaturated fatty acid 27. Cholesterol, in spite of its bad reputation, is an essential component of b. cytosol c. Microtubules d. Cell membraneExplanation / Answer
23) option b that is isomers , explanation: Two or more compounds with the same formula but a different arrangement of atoms in the molecules are knows as isomers. 24) option c is correct that is glycogen explanation :In the human body, glycogen is a branched polymer of glucose stored mainly in the liver and the skeletal muscle that supplies glucose to the blood stream during fasting periods and to the muscle cells during muscle contraction. 25) option c is correct that is lipds , explanation :Steroids are lipids because they are hydrophobic and insoluble in water. 27 ) option D is correct that is cell membrane .
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