
Quiz 1 Test 1
Quiz by Raja Challa
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11 questions
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- Q1Sulfur is in the same column of the periodic table as oxygen, but has electronegativity similar to carbon. Compared to water molecules, molecules of H2Swill ionize more readily.will not form hydrogen bonds with each other.will have greater cohesion to other molecules of H2S.will have a greater tendency to form hydrogen bonds with each other.60s
- Q2How many structural isomers are possible for a substance having the molecular formula C4H10?134260s
- Q3Which functional groups can act as acids?ketone and aminocarboxyl and phosphateamino and carbonylcarboxyl and carbonyl60s
- Q4Molecules with which functional groups may form polymers via dehydration reactions?either hydroxyl or carboxyleither carbonyl or carboxylhydroxylcarboxyl60s
- Q5The molecular formula for glucose is C6H12O6. What would be the molecular formula for a molecule made by linking three glucose molecules together by dehydration reactions?C18H36O18C18H10O15C18H32O16C18H30O1560s
- Q6Which modifications of fatty acids will best keep triglycerides solid at warmer temperatures?adding hydrogens to the fatty acidscreating trans double bonds to the fatty acidsadding cis double bonds and trans double bonds to the fatty acidsadding hydrogens and trans double bonds to the fatty acids60s
- Q7The R group or side chain of the amino acid serine is –CH2–OH. The R group or side chain of the amino acid leucine is –CH2–CH–(CH3)2. Where would you expect to find these amino acids in a globular protein in aqueous solution?Serine would be in the interior, and leucine would be on the exterior of the globular protein.Both serine and leucine would be in the interior and on the exterior of the globular protein.Leucine would be in the interior, and serine would be on the exterior of the globular protein.Both serine and leucine would be in the interior of the globular protein.60s
- Q8Humans can digest starch but not cellulose becausehumans have enzymes that can hydrolyze the β glycosidic linkages of starch but not the α glycosidic linkages of cellulose.the monomer of starch is glucose, while the monomer of cellulose is glucose with a nitrogen-containing group.humans have enzymes that can hydrolyze the α glycosidic linkages of starch but not the β glycosidic linkages of cellulose.the monomer of starch is glucose, while the monomer of cellulose is galactose.60s
- Q9All of the following are polysaccharides exceptlactoseamylopectinchitinglycogen60s
- Q10How many molecules of water are needed to completely hydrolyze a polymer that is 11 monomers long?910121160s
- Q11The enzyme amylase can break glycosidic linkages between glucose monomers only if the monomers are the α form. Which of the following could amylase break down?chitinglycogenglycogen, cellulose, and chitincellulose60s