Biochemistry: The Molecular Basis of Life
6th Edition
ISBN: 9780190209896
Author: Trudy McKee, James R. McKee
Publisher: Oxford University Press
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Chapter 7, Problem 22RQ
Summary Introduction
To review:
The three amino acids that are linked to carbohydrates most of the time in glycoproteins. The
Introduction:
Glycoproteins are the carbohydrates that linked with proteins through N- and O- linkages. Glycan is atype of glycoprotein thathasa large number of monosaccharide units linked with proteins through O-glycosidic linkages. Examples of glycoproteins are cellulose and chitin.
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Chapter 7 Solutions
Biochemistry: The Molecular Basis of Life
Ch. 7 - Prob. 1QCh. 7 - Prob. 2QCh. 7 - Prob. 3QCh. 7 - Prob. 4QCh. 7 - Prob. 5QCh. 7 - Prob. 6QCh. 7 - Prob. 7QCh. 7 - Prob. 1RQCh. 7 - Prob. 2RQCh. 7 - Prob. 3RQ
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- Cellulose and glycogen are both polymers of glucose, but they have very different functions. Select all of the statements below that are true (this is a multi-select question). One important difference between cellulose and glycogen is that the cellulose has a(1→6) branches, which greatly increases the "connectiveness" within the structure. One important difference between cellulose and glycogen is that cellulose is a B(14) linked glucan, while glycogen is an a(1→4) linked glucan. The major cause of the functional difference is that glycogen is stored in the cytosol, whereas cellulose is a component of the cell walls. Cellulose is flexible due to the noncovalent interactions between the B(1-4) linked strands of glucose: the polymer can bend without breaking covalent bonds. Cellulose is more "stretchy" than glycogen, since its structure is held together only by the relatively weak hydrogen bonds.arrow_forwardWhat product will accumulate if the there is a degradation defect involving the given amino acids?arrow_forwardMany eukaryotic enzymes, such as fatty acid synthase, are multifunctional proteins with multiple active sites covalently linked. What is the advantage of this arrangement?arrow_forward
- PKU is an abbreviation for what disorder? What are the symptoms of PKU? How can PKU be treated for a nearly normal life?arrow_forwardWhat is the chemical nature of the enzyme primase?arrow_forwardWhy is B-D-Glucopyranose in a chair conformation form is the most stable form of glucose present in our body?arrow_forward
- What is the complete name of the following sugar? но он носн он Write out the words alpha and beta. This question is case-sensitive. Capitalize only the configuration designation, D or L, example: beta-D-glucopyranose.arrow_forwardWhat are some advantages for a glycoprotein in having a large number of N-glycosylation sites?arrow_forwardWhat are the main structural features of the polysaccharides cellulose? How do this aid in its function?arrow_forward
- What are glycoproteins? What are some of their biochemical roles?arrow_forwardHow could you make the zwitterion of aspartic acid more soluble in water?arrow_forwardTrehalose, a disaccharide found in the blood of insects, has the following structure. What simple sugars would you obtain on hydrolysis of trehalose?arrow_forward
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