Chapter 11 Carbohydrates 4 6 The enzyme that digests amylopectin. A) a-amylase D) All of the above. B) amylose E) None of the above. C) cellulose Ans:A Section:11.2 7 To which amino acid residues in glycoproteins are the sugars commonly linked? A) tyrosine and asparagine D) serine and threonine B) serine,threonine,and asparagine E) a and d C)serine,tyrosine,and asparagine Ans:B Section:11.3 8 Glycoproteins are normally A)found on membranes. D) a and b. B) secreted as extracellular proteins E) All of the above. C) found inside organelles. Ans:D Section:11.3 9 At what sites in a cell are proteins glycosylated? A)ribosome D) b and c B) endoplasmic reticulum E) a,b,and c C) Golgi complex Ans:D Section:11.3 10 Which of the following is the anomer of B-D-glucopyranose? A) CH2OH c) CH2OH E) CH2OH OH 0. OH 0 -0 OH OH OH OH OH OH OH OH OH OH 乡 CH2OH D) 0 CHOH OH OH OH OH OH OH Ans:C Section:11.2 11 Glycoforms refers to A)a single protein type that can have forms that vary in glycosylation. B) glycoproteins from the same gene family. C) a common core of sugars that can be found on many different proteins. D) all of the above. E) none of the above. Ans:A Section:11.3Chapter 11 Carbohydrates 4 6 The enzyme that digests amylopectin. A) -amylase D) All of the above. B) amylose E) None of the above. C) cellulose Ans: A Section: 11.2 7 To which amino acid residues in glycoproteins are the sugars commonly linked? A) tyrosine and asparagine D) serine and threonine B) serine, threonine, and asparagine E) a and d C) serine, tyrosine, and asparagine Ans: B Section: 11.3 8 Glycoproteins are normally A) found on membranes. D) a and b. B) secreted as extracellular proteins. E) All of the above. C) found inside organelles. Ans: D Section: 11.3 9 At what sites in a cell are proteins glycosylated? A) ribosome D) b and c B) endoplasmic reticulum E) a, b, and c C) Golgi complex Ans: D Section: 11.3 10 Which of the following is the anomer of β-D-glucopyranose? E) D) C) B) A) O OH OH O CH2OH OH OH CH2OH OH OH OH O OH CH2OH OH OH OH O OH CH2OH OH OH O OH OH OH CH2OH OH OH Ans: C Section: 11.2 11 Glycoforms refers to A) a single protein type that can have forms that vary in glycosylation. B) glycoproteins from the same gene family. C) a common core of sugars that can be found on many different proteins. D) all of the above. E) none of the above. Ans: A Section: 11.3