Fundamentals of General, Organic, and Biological Chemistry (8th Edition)
8th Edition
ISBN: 9780134015187
Author: John E. McMurry, David S. Ballantine, Carl A. Hoeger, Virginia E. Peterson
Publisher: PEARSON
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Textbook Question
Chapter 20, Problem 20.71AP
What is the physiological purpose of starch in a seed or other plant tissue? What is the physiological purpose of glycogen in a mammal?
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Chapter 20 Solutions
Fundamentals of General, Organic, and Biological Chemistry (8th Edition)
Ch. 20.1 - Classify the following monosaccharides as an...Ch. 20.1 - Prob. 20.2PCh. 20.2 - Prob. 20.3PCh. 20.2 - Prob. 20.4PCh. 20.2 - Prob. 20.6PCh. 20.3 - D-Talose, a constituent of certain antibiotics,...Ch. 20.3 - Prob. 20.8PCh. 20.3 - Draw the structure that completes the mutarotation...Ch. 20.4 - Prob. 20.10KCPCh. 20.4 - Prob. 20.11P
Ch. 20.4 - Prob. 20.12PCh. 20.4 - Prob. 20.13PCh. 20.4 - Prob. 20.1CIAPCh. 20.4 - Prob. 20.2CIAPCh. 20.4 - All cells in your body contain glycoproteins...Ch. 20.5 - Draw the structure of the and anomers that...Ch. 20.6 - Prob. 20.15PCh. 20.6 - Prob. 20.16PCh. 20.6 - Prob. 20.17KCPCh. 20.7 - Prob. 20.4CIAPCh. 20.7 - Prob. 20.5CIAPCh. 20.7 - Prob. 20.6CIAPCh. 20.7 - Prob. 20.7CIAPCh. 20.7 - Prob. 20.18PCh. 20.7 - Prob. 20.19PCh. 20.7 - Prob. 20.8CIAPCh. 20.7 - Prob. 20.9CIAPCh. 20.7 - Prob. 20.10CIAPCh. 20 - During the digestion of starch from potatoes, the...Ch. 20 - Prob. 20.21UKCCh. 20 - Consider the trisaccharide A, B, C shown in...Ch. 20 - Hydrolysis of both glycosidic bonds in the...Ch. 20 - Prob. 20.24UKCCh. 20 - Are one or more of the disaccharides maltose,...Ch. 20 - Prob. 20.26UKCCh. 20 - Prob. 20.27UKCCh. 20 - Prob. 20.28APCh. 20 - What is the family-name ending for a sugar?Ch. 20 - Prob. 20.30APCh. 20 - Classify the four carbohydrates (a)(d) by...Ch. 20 - Prob. 20.32APCh. 20 - How many chiral carbon atoms are there in each of...Ch. 20 - Prob. 20.34APCh. 20 - Prob. 20.35APCh. 20 - Name four important monosaccharides and tell where...Ch. 20 - Prob. 20.37APCh. 20 - Prob. 20.38APCh. 20 - What is the structural relationship between...Ch. 20 - Prob. 20.40APCh. 20 - In Section 15.6, you saw that aldehydes react with...Ch. 20 - Sucrose and D-glucose rotate plane-polarized light...Ch. 20 - Prob. 20.43APCh. 20 - Prob. 20.44APCh. 20 - Prob. 20.45APCh. 20 - What is mutarotation? Do all chiral molecules do...Ch. 20 - What are anomers, and how do the anomers of a...Ch. 20 - What is the structural difference between the ...Ch. 20 - D-Gulose, an aldohexose isomer of glucose, has the...Ch. 20 - Prob. 20.50APCh. 20 - In its open-chain form, D-altrose has the...Ch. 20 - Prob. 20.52APCh. 20 - Prob. 20.53APCh. 20 - Prob. 20.54APCh. 20 - Prob. 20.55APCh. 20 - What is the structural difference between a...Ch. 20 - What are glycosides, and how can they be formed?Ch. 20 - Prob. 20.58APCh. 20 - Prob. 20.59APCh. 20 - Give the names of three important disaccharides....Ch. 20 - Lactose and maltose are reducing disaccharides,...Ch. 20 - Amylose (a form of starch) and cellulose are both...Ch. 20 - Prob. 20.63APCh. 20 - Prob. 20.64APCh. 20 - Prob. 20.65APCh. 20 - Gentiobiose, a rare disaccharide found in saffron,...Ch. 20 - Prob. 20.67APCh. 20 - Prob. 20.68APCh. 20 - Prob. 20.69APCh. 20 - Amylopectin (a form of starch) and glycogen are...Ch. 20 - What is the physiological purpose of starch in a...Ch. 20 - Prob. 20.72APCh. 20 - Prob. 20.73APCh. 20 - Prob. 20.74CPCh. 20 - Prob. 20.75CPCh. 20 - Prob. 20.76CPCh. 20 - Prob. 20.77CPCh. 20 - Prob. 20.78CPCh. 20 - Write the open-chain structure of the only...Ch. 20 - Prob. 20.80CPCh. 20 - Prob. 20.81CPCh. 20 - When a person cannot digest galactose, its reduced...Ch. 20 - Describe the differences between mono-, di-, and...Ch. 20 - Prob. 20.84CPCh. 20 - Prob. 20.85CPCh. 20 - Many people who are lactose intolerant can eat...Ch. 20 - Prob. 20.87GPCh. 20 - Prob. 20.88GPCh. 20 - Prob. 20.89GP
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biochemistry and related others by exploring similar questions and additional content below.Similar questions
- a) Describe the structure of a glycogen molecule. (you can explain without drawing) b) List the three enzymes involved in glycogen degradation and describe the type of reactions they catalyze c) Fill in the numbered blanks in the figure which is the list the source and fates of glucose-6- phosphate. Glycogen pentose phosphate pathway Glucose-6-phosphate Ribose-G-phosphate Glucose glycolysis 3 Amino acida |Lactate Citric acid cyclearrow_forwardWhat is/are the specific difference(s) between glucose and galactose? What is/are the specific difference(s) between glucose and fructose?arrow_forwardTriacylglycerol A contains 53% oleic acid, 29% linoleic acid, 9% palmitic acid, 4% stearic acid, 1% myristic acid and lesser amount of other fatty acids. Triacylglycerol B contains 39% oleic acid, 29% palmitic acid, 24% stearic acid, 2% myristic acid, 2% linoleic acid and lesser amounts of other fatty acids. Which of the two samples is expected to be solid at room temperature? Explain why.arrow_forward
- Glucose is stored as glycogen (a polymer) in some eukaryote cells (such as liver cells or muscle cells). This cellular storage is performed A) by an enzyme that causes dehydration synthesis in a specialized organelle, B) by a carbohydrate in a liposome, C) by a dehydration enzyme and stored as fat in an adipose cell, D) exocytosis of the glycogen, E) as glucose stored in the nucleus by special genes in the DNA.arrow_forwardDescribe the differences between lecithin and cephalin. Draw the structure of a glycerophospholipid containing two molecules of stearic acid and ethanolamine.arrow_forwardDuring intensive muscle work there is a large amount of ammonia produced in the muscles. What amino acid plays the main role in the transportation of ammonia to the liver and participates in gluconeogenesis reactions? A) Ornithine B) Alanine C) Arginine D) Aspartate E) Lysinearrow_forward
- In the preparation of sauces that involve mixing water and melted butter, egg yolks are added to prevent separation. How do egg yolks prevent separation? Hint: Egg yolks are rich in phosphatidyl choline (lecithin).arrow_forwardName the following pathways:(a) Pathway for synthesis of glycogen(b) Pathway for release of glucose from glycogen(c) Pathway for synthesis of glucose from lactatearrow_forwardGlucose 6-phosphate can be converted into a molecule of glucose 1-phosphate, which can undergo additional modification to eventually be added to a polymer of glycogen. Glycogen is simply a long, branched polysaccharide comprised of glucose subunits. The four major reactions of the glycogen synthesis pathway are listed below. Glucose 6-phosphate → Glucose 1-phosphate Glucose 1-phosphate + UTP → UDP-glucose + PPi PPi + H2O → 2 Pi UDP-glucose + Glycogenn → Glycogenn+1 + UDP glycogenn - a polymer of glycogen composed of n subunits of glucose glycogenn+1 - a polymer of glycogen composed of n+1 subunits of glucose PPi - pyrophosphate, which is an ion composed of two phosphate groups UTP - uridine triphosphate, a nucleic acid like ATP; it has three phosphate groups UDP - uridine diphosphate, identical to UTP but with two phosphate groups instead of three What is the net reaction for the four reactions shown above? Glucose 6-phosphate + UTP + Glycogenn + H2O → UDP-glucose +…arrow_forward
- 61. Degradation of glycogen in muscle fails to supply significant amounts of blood glucose because muscle lacks which of the following enzymes? A) Glucose-6-phosphatase B) Glucose-6-phosphate dehydrogenase C) Glycogen phosphorylase D) Phosphoglucomutase E) Phosphorylase kinasearrow_forwardcomplex allosteric regulation of the aspartate transcarbamoylase reaction is significant because it links? a) citric acid cycle and catecholamine biosynthesis b)glycolysis and lactic acid fermentation c) opiate with neurotransmitter d) glycolysis and fatty acid metabolism e) amino acid and nitrogenous base metabolismarrow_forwardIdentify the following: a. An oxidative process that releases energy b. Cellular localization of the electron transport chain during cellular respiration. c. The number of double bonds present in the metabolic precursor of all prostaglandins.arrow_forward
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