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a carbohydrate can be hydrolyzed to form two moles of a
monosaccharide. when the carbohydrate is...
when the carbohydrate is reacted with basic solution if cu2+, a red precipitate forms A carbohydrate...
when the carbohydrate is reacted with basic solution if cu2+,
a red precipitate forms
A carbohydrate can be hydrolyzed to form two moles of a monosaccharide. When the carbohydrate is reacted with a basic solution of Cu2+, a red precipitate forms. Which statement is consistent with this information? The carbohydrate is a ... reducing disaccharide. non-reducing disaccharide. non-reducing glycoside. a sugar alcohol
1-10 help!!! 1) A carbohydrate that gives two molecules when it is completely hydrolyzed is known...
1-10 help!!!
1) A carbohydrate that gives two molecules when it is completely hydrolyzed is known as a A) monosaccharide. B) disaccharide. C) polysaccharide. D) starch. 2) A reducing sugar gives a precipitate of silver metal with Benedict's reagent. a. True b. False 3) Cellulose will give a positive Benedict's test. Sa TrueS b. False 4) The product of oxidation of an aldose is a carboxylic acid. Sa True b. False 5) Maltose is a reducing sugar. a. True b....
Carbohydrates, more commonly known as sugars, are made up of carbon, oxygen, and hydrogen atoms. The...
Carbohydrates, more commonly known as sugars, are made up of carbon, oxygen, and hydrogen atoms. The smallest unit of a carbohydrate is a monosaccharide. Two monosaccharides make up a disaccharide, and many monosaccharides make up a polysaccharide. Disaccharides and polysaccharides can be hydrolyzed back into the individual monosaccharide units. Part A Select the statement that is incorrect. Select the statement that is incorrect. Complex sugars are carbohydrates. All carbohydrates have the general formula Cn(H2O)n. Simple sugars are carbohydrates. Carbohydrates contain...
3. Given the chemical information below, determine the structure of the saccharide i. It is a non-reducing sugar, a...
3. Given the chemical information below, determine the structure of the saccharide i. It is a non-reducing sugar, and does not undergo mutarotation. ii. Upon acidic hydrolysis, one mole each of (D)-mannose, (L)-galactose, (D)-xylose, and (D) threitol (the alditol formed from threose) are produced. iii. Upon exhaustive methylation with dimethylsulfate and hydroxide, followed by acidic hydrolysis, 2,4-di-O-methyl-(D)-mannose, 2,3,4,6-tetra-O-methyl-(L)-galactose, 2,3,4-tri-o methyl-(D)-xylose, and 1,2,3-tri-O-methyl-(D)-threitol are formed iv. When all o-glycosidic linkages are enzymatically hydrolyzed, (L)-galactose, (D)-threitol, and a reducing disaccharide are formed...
1. (2 pts) What is produced when polysaccharides and disaccharides are hydrolyzed? 2. (2 pts) A...
1. (2 pts) What is produced when polysaccharides and disaccharides are hydrolyzed? 2. (2 pts) A monosaccharides can exist as an open chain or as a cyclic compound. Which form is more stable? 3. (4 pts) Sucrose is the only carbohydrate for which it is necessary to make a fresh solution (all of the other carbohydrates will already be prepared in solution for you). When performing the Benedict's test and the others), why is it necessary for YOU to make...
group on the 13. In double-stranded DNA, a pyrimidine group on one strand base pairs with...
group on the 13. In double-stranded DNA, a pyrimidine group on one strand base pairs with a other strand; the two strands are oriented in directions. a. purine, parallel b. purine, antiparallel c. pyrimidine, parallel d. pyrimidine, antiparallel Questions 14 and 15 refer to the following information: A disaccharide composed of arabinose and xylose gives arabinose and xylonic acid by reaction with Bry-water followed by hydrolysis. Reaction of its methyl glycoside with iodomethane under basic conditions followed by hydrolysis gives...
TIL. PRE-LAB QUESTIONS - Experiment 8 1. a) Complete the table below. X1/ Xy/ 2 14...
TIL. PRE-LAB QUESTIONS - Experiment 8 1. a) Complete the table below. X1/ Xy/ 2 14 8 25 16 b) On graph paper plot y vs. x (appropriately labeling all axes as well as graphing the best fitting line/curve to the data points). c) Is the relationship between the y and x data pairs linear or non-linear? d) Is the relationship between the y and x data pairs direct or inverse? e) Which expression of k (k=y/x or k=xy) corresponds...
Pre-Lab Questions (PLQ) for Exp. 9 Carbohydrates (sugars) Use the information in Exp. 9 to answer the following que...
Pre-Lab Questions (PLQ) for Exp. 9 Carbohydrates (sugars) Use the information in Exp. 9 to answer the following questions 1. (2 pts) What is produced when polysaccharides and disaccharides are hydrolyzed? 2. (2 pts) A monosaccharides can exist as an open chain or as a cyclic compound. Which form is more stable? 3. (4 pts) Sucrose is the only carbohydrate for which it is necessary to make a fresh solution (all of the other carbohydrates will already be prepared in...
Multiple Choice - Choose correct answer 1 Which statement indicates the patient understands nutrition recommendations regarding carbohydrate...
Multiple Choice - Choose correct answer 1 Which statement indicates the patient understands nutrition recommendations regarding carbohydrate intake? a. “People with diabetes should avoid sugars and foods that contain sugars.” b. “It is important to consume the proper balance of starch, sugar, and fiber at each meal.” c. “It is important to consume the correct amount of carbohydrate at each meal and snack.” d. “Carbohydrates must be balanced in relation to the amount of protein and fat consumed.” 2 The client with...
Question 1 (0.5 points) Saved Proteins are formed by joining together. carboxylic acids fatty acids amino...
Question 1 (0.5 points) Saved Proteins are formed by joining together. carboxylic acids fatty acids amino acids none of the above Question 2 (0.5 points) Which two functional groups does an amino acid contain? amine and carboxylic acid carboxylic acid and amide amide and heterocyclic ring heterocyclic ring and amine Question 3 (0.5 points) Do amino acids commonly exist in nature as neutral molecules with all uncharged atoms? Yes No Question 1 (0.5 points) What is a protein? A polymer...
when the carbohydrate is reacted with basic solution if cu2+,
a red precipitate forms
A carbohydrate can be hydrolyzed to form two moles of a monosaccharide. When the carbohydrate is reacted with a basic solution of Cu2+, a red precipitate forms. Which statement is consistent with this information? The carbohydrate is a ... reducing disaccharide. non-reducing disaccharide. non-reducing glycoside. a sugar alcohol
1-10 help!!!
1) A carbohydrate that gives two molecules when it is completely hydrolyzed is known as a A) monosaccharide. B) disaccharide. C) polysaccharide. D) starch. 2) A reducing sugar gives a precipitate of silver metal with Benedict's reagent. a. True b. False 3) Cellulose will give a positive Benedict's test. Sa TrueS b. False 4) The product of oxidation of an aldose is a carboxylic acid. Sa True b. False 5) Maltose is a reducing sugar. a. True b....
3. Given the chemical information below, determine the structure of the saccharide i. It is a non-reducing sugar, and does not undergo mutarotation. ii. Upon acidic hydrolysis, one mole each of (D)-mannose, (L)-galactose, (D)-xylose, and (D) threitol (the alditol formed from threose) are produced. iii. Upon exhaustive methylation with dimethylsulfate and hydroxide, followed by acidic hydrolysis, 2,4-di-O-methyl-(D)-mannose, 2,3,4,6-tetra-O-methyl-(L)-galactose, 2,3,4-tri-o methyl-(D)-xylose, and 1,2,3-tri-O-methyl-(D)-threitol are formed iv. When all o-glycosidic linkages are enzymatically hydrolyzed, (L)-galactose, (D)-threitol, and a reducing disaccharide are formed...
1. (2 pts) What is produced when polysaccharides and disaccharides are hydrolyzed? 2. (2 pts) A monosaccharides can exist as an open chain or as a cyclic compound. Which form is more stable? 3. (4 pts) Sucrose is the only carbohydrate for which it is necessary to make a fresh solution (all of the other carbohydrates will already be prepared in solution for you). When performing the Benedict's test and the others), why is it necessary for YOU to make...
group on the 13. In double-stranded DNA, a pyrimidine group on one strand base pairs with a other strand; the two strands are oriented in directions. a. purine, parallel b. purine, antiparallel c. pyrimidine, parallel d. pyrimidine, antiparallel Questions 14 and 15 refer to the following information: A disaccharide composed of arabinose and xylose gives arabinose and xylonic acid by reaction with Bry-water followed by hydrolysis. Reaction of its methyl glycoside with iodomethane under basic conditions followed by hydrolysis gives...
TIL. PRE-LAB QUESTIONS - Experiment 8 1. a) Complete the table below. X1/ Xy/ 2 14 8 25 16 b) On graph paper plot y vs. x (appropriately labeling all axes as well as graphing the best fitting line/curve to the data points). c) Is the relationship between the y and x data pairs linear or non-linear? d) Is the relationship between the y and x data pairs direct or inverse? e) Which expression of k (k=y/x or k=xy) corresponds...
Pre-Lab Questions (PLQ) for Exp. 9 Carbohydrates (sugars) Use the information in Exp. 9 to answer the following questions 1. (2 pts) What is produced when polysaccharides and disaccharides are hydrolyzed? 2. (2 pts) A monosaccharides can exist as an open chain or as a cyclic compound. Which form is more stable? 3. (4 pts) Sucrose is the only carbohydrate for which it is necessary to make a fresh solution (all of the other carbohydrates will already be prepared in...
Question 1 (0.5 points) Saved Proteins are formed by joining together. carboxylic acids fatty acids amino acids none of the above Question 2 (0.5 points) Which two functional groups does an amino acid contain? amine and carboxylic acid carboxylic acid and amide amide and heterocyclic ring heterocyclic ring and amine Question 3 (0.5 points) Do amino acids commonly exist in nature as neutral molecules with all uncharged atoms? Yes No Question 1 (0.5 points) What is a protein? A polymer...
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