Bundle: Introduction to General, Organic and Biochemistry, 11th + OWLv2, 4 terms (24 months) Printed Access Card
11th Edition
ISBN: 9781305705159
Author: Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher: Cengage Learning
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Question
Chapter 20, Problem 20.85P
Interpretation Introduction
Interpretation:
The structural formula of
Concept Introduction:
The covalent bond which is formed by the removal of water molecule from two molecules of sugar or between one molecule of sugar and an alcohol is known as a glycosidic linkage. The compounds containing glycosidic linkage are known as glycosides.
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Students have asked these similar questions
Vanillin (4-hydroxy-3-methoxybenzaldehyde), the principal component of vanilla, occurs in vanilla beans and other natural sources as a b-d-glucopyranoside. Draw a structural formula for this glycoside, showing the d-glucose unit as a chair conformation.
Lactose is a disaccharide in which a glycosidic linkage
connects the monosaccharides galactose and glucose.
OH
НО
OH
(a) Identify the glycosidic linkage and the acetal carbon
in lactose.
(b) What type of glycosidic linkage does lactose have
(i.e., is it 1,1'-, 1,2'-, etc., and is it a or B)?
(c) People who are lactose intolerant are deficient in
the enzyme lactase, and therefore cannot efficiently
break down the disaccharide into its monosaccharides. When lactose is treated with aqueous acid, however, this
hydrolysis can take place, though relatively slowly. Draw the complete, detailed mechanism and the products of the
acid-catalyzed hydrolysis of lactose.
Но
ОН
НО
ОН
ОН
Lactose
Are a-d-glucose and b-d-glucose enantiomers? Explain
Chapter 20 Solutions
Bundle: Introduction to General, Organic and Biochemistry, 11th + OWLv2, 4 terms (24 months) Printed Access Card
Ch. 20.1 - Prob. 20.1PCh. 20.2 - Prob. 20.2PCh. 20.2 - Prob. 20.3PCh. 20.3 - Prob. 20.4PCh. 20.4 - Prob. 20.5PCh. 20 - Prob. 20.6PCh. 20 - Prob. 20.7PCh. 20 - Prob. 20.8PCh. 20 - Prob. 20.9PCh. 20 - Prob. 20.10P
Ch. 20 - Prob. 20.11PCh. 20 - Prob. 20.12PCh. 20 - Prob. 20.13PCh. 20 - Prob. 20.14PCh. 20 - Prob. 20.15PCh. 20 - Prob. 20.16PCh. 20 - Prob. 20.17PCh. 20 - Prob. 20.18PCh. 20 - .19 What is an amino sugar? Name the three amino...Ch. 20 - Prob. 20.20PCh. 20 - Prob. 20.21PCh. 20 - Prob. 20.22PCh. 20 - Prob. 20.23PCh. 20 - Prob. 20.24PCh. 20 - Prob. 20.25PCh. 20 - Prob. 20.26PCh. 20 - Prob. 20.27PCh. 20 - Prob. 20.28PCh. 20 - Prob. 20.29PCh. 20 - Prob. 20.30PCh. 20 - Prob. 20.31PCh. 20 - Prob. 20.32PCh. 20 - Prob. 20.33PCh. 20 - Prob. 20.34PCh. 20 - Prob. 20.35PCh. 20 - Prob. 20.36PCh. 20 - Prob. 20.37PCh. 20 - Prob. 20.38PCh. 20 - Prob. 20.39PCh. 20 - Prob. 20.40PCh. 20 - Prob. 20.41PCh. 20 - Prob. 20.42PCh. 20 - Prob. 20.43PCh. 20 - Prob. 20.44PCh. 20 - Prob. 20.45PCh. 20 - 6 Where is glycogen stored in the human body?Ch. 20 - Prob. 20.47PCh. 20 - 8 How is it possible that cows can digest grass...Ch. 20 - Prob. 20.49PCh. 20 - Prob. 20.50PCh. 20 - 1 Hyaluronic acid acts as a lubricant in the...Ch. 20 - 2 The anticlotting property of heparin is partly...Ch. 20 - Prob. 20.53PCh. 20 - Prob. 20.54PCh. 20 - Prob. 20.55PCh. 20 - Prob. 20.56PCh. 20 - Prob. 20.57PCh. 20 - Prob. 20.58PCh. 20 - Prob. 20.59PCh. 20 - Prob. 20.60PCh. 20 - Prob. 20.61PCh. 20 - 2 In making candy or sugar syrups, sucrose is...Ch. 20 - Prob. 20.63PCh. 20 - Prob. 20.64PCh. 20 - Prob. 20.65PCh. 20 - Prob. 20.66PCh. 20 - Prob. 20.67PCh. 20 - Prob. 20.68PCh. 20 - Prob. 20.69PCh. 20 - 0 What are the structural differences between...Ch. 20 - Prob. 20.71PCh. 20 - Prob. 20.72PCh. 20 - Prob. 20.73PCh. 20 - Prob. 20.74PCh. 20 - Prob. 20.75PCh. 20 - Prob. 20.76PCh. 20 - Prob. 20.77PCh. 20 - Prob. 20.78PCh. 20 - Prob. 20.79PCh. 20 - Prob. 20.80PCh. 20 - Prob. 20.81PCh. 20 - Prob. 20.82PCh. 20 - Prob. 20.83PCh. 20 - Prob. 20.84PCh. 20 - Prob. 20.85PCh. 20 - Prob. 20.86PCh. 20 - Prob. 20.87PCh. 20 - Prob. 20.88PCh. 20 - Prob. 20.89P
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- Why are carbon atoms 1 and 3 of glyceraldehyde not considered chiral?arrow_forwardThe structure of D-glucose is shown below. Predict the number of the OH groups (not CH₂OH) that occupy equatorial positions in the most stable chair conformation of D- glucose. HO,, HO OH "OH OH D-glucosearrow_forwardClassify the structures as being either an enantiomer, diastereomer or diastereomer/epimer of D-glucose. Structure A: CH H- -OH Structure B: но- H- H- OH Structure C: H- он H- -H D-Glucose: OH || CH CH CH он H- он но -H H- он но он но но- H- но H- OH OH но -- H- -H H -Ç-H Structure A: OH Structure B: OH Structure C: OHarrow_forward
- Are alpha-glucose and beta-glucose enantiomers?arrow_forwardThe tea leaves that contain the caffeine to be isolated are predominantly composed of cellulose, a natural and extremely abundant polymer of glucose. Look up the chair structure of B-D-glucose (B-D-glucopyranose, the monomer from which the cellulose polymer is composed). Draw this structure, draw the flipped chair, and indicate which conformer you think is more stable, if either. BRIEFLY explain your choice.arrow_forward(g) Using appropriate prefixes/infixes/suffixes (ketoheptose, aldoheptose, etc.), classify each of the monosaccharides shown below. CHO CH2OH Но IH но- HO- HO- HO H. CH2OH CH2OH I II (h) Identify B-D-altrose and a-D-altrose from the monosaccharides shown below. CH2OH CH2OH CH2OH CH2OH OH OH OH ОН OH ОН ОН OH OH OH OH OH OH OH OH OH I II II IV (i) Identify B-D-altrose and a-D-altrose from the monosaccharides shown below. VI I CH2OH O CH2OH II H V ОН, III IV OH OH Harrow_forward
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