Concept explainers
(a)
Interpretation: The validation of the given structure for being a glycoside has to be identified.
Concept introduction: In a cyclic monosaccharide, the replacement of an
(b)
Interpretation: The validation of the given structure for being a glycoside has to be identified.
Concept introduction: In a cyclic monosaccharide, the replacement of an
(c)
Interpretation: The validation of the given structure for being a glycoside has to be identified.
Concept introduction: In a cyclic monosaccharide, the replacement of an
(d)
Interpretation: The validation of the given structure for being a glycoside has to be identified.
Concept introduction: In a cyclic monosaccharide, the replacement of an
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EBK GENERAL, ORGANIC, AND BIOLOGICAL CH
- Glycoproteins contain oligosaccharide chains covalently bonded to a polypeptide while proteoglycans have one or more glycosaminoglycan chains attached to the protein. True Falsearrow_forwardIdentify which of the following structural polysaccharides (amylopectin, amylose, glycogen, cellulose, and chitin fits the description given below. A specific description may apply to more than on of the polysaccharidesarrow_forwardHemoglobin is a tetramer consisting of two a and two b chains. What level of protein structure is described in the above statement?arrow_forward
- Describe the common structural features and the differences for eachof the following pairs: (a) cellulose and glycogen; (b) D-glucose and D-fructose; (c) maltose and sucrose.arrow_forwardDraw structures showing the reaction of glycerol with linoleic acid to form the triglyceride trilinolean. Would you expect this triglyceride to be a fat or an oil?arrow_forwardCellulose 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_forward
- arrange the following lipids in order of decreasing polarity: cholesterol, triglyceride, estradiol, fatty acid, phosphatidyl cholinearrow_forwardWhich of the following are a pair of structural isomers? Glucose and Mannose Galactose and Fructose Ribulose and Xylulose ribose and glucose The correct answer is Galactose and Fructose. Please explain why and discuss how to identify structural isomers.arrow_forwardDraw the skeletal structure of a triacylglycerol that contains three molecules of caprylic acid. Note: Reference the Selected fatty acids table for additional information. Click and drag to start drawing a structure.arrow_forward
- Lipids serve as all of the following exceptarrow_forwardDraw the skeletal structure of a triacylglycerol that contains three molecules of capric acid. Note: Reference the Selected fatty acids table for additional information. Click and drag to start drawing a structure.arrow_forwardDraw the zwitterion for each of the following amino acids: glycine threonine glutamic acid phenylalaninearrow_forward
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