Homework Answers
1) Sucrose and fructose are ketohexose
2)Aldehyde
On treatment with weak oxidising agent, - CHO group oxidised to -COOH group.
3)Lactose and fructose are reducing sugar
Sugars that reduce Fehling's and Tallen's reagent are reducing sugar.
4)lactose contain a free anameric carbon which can be oxidized when the ring is opened.
--in sucrose anomeric carbon of both monosachharide are invaived in acetal farmation.
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Question 1 (1.25 points) Which of the following carbohydrates contain ketohexoses? (Select all that apply.)...
1, whuxh of the folowing carbohydrates contain ketohexoses? a. Sucrose b. Lactose c. Cellulose d. Starch...
1, whuxh of the folowing carbohydrates contain ketohexoses? a. Sucrose b. Lactose c. Cellulose d. Starch e. Fructose 2.Which of the following functional groups in a carbohydrates are able to be oxidized to carboxylic acids? a. Kentones that are rearranged in solution b. Ketones that are rearranged in solution c. Alcohols d. Aldehydes 3. Which of the follwoing crbohydrates were reducing sugars?(select all that apply) a. Cellulose b.STArch c. Sucrose c. lactose e. Fructose 4. Why does lactose give a...
1. Which of the following carbohydrates contain ketohexoses? a. starch b. sucrose c. cellulose d. fructose...
1. Which of the following carbohydrates contain ketohexoses? a. starch b. sucrose c. cellulose d. fructose d. lactose 2. Which of the following functional groups in a carbohydrate are able to be oxidized to carboxylic acids? a. ketones that are rearranged in solution b. ketones that are not rearranged in solution c. aldehydes d. alcohols 3. Which of the following carbohydrates were reducing sugars? a. lactose b. sucrose c. fructose d. starch e. cellulose 4. Why does lactose give a...
Question 5 (1.25 points) Which of the following carbohydrates should be able to be broken down into smaller pieces...
Question 5 (1.25 points) Which of the following carbohydrates should be able to be broken down into smaller pieces in a hydrolysis reaction? (Select all that apply.) Fructose Cellulose Lactose Sucrose Starch Question 6 (1.25 points) The following sugar would exhibit positive tests for which of the following tests? (Select all that apply.) CH,он н H OH ОН но lodine None of the these tests would be positive. Benedict Seliwanoff
3. Ribose isan) Carbohydrates a) aldotetrose b) aldopentose c) ketotriose 1. The monosaccharide that is also...
3. Ribose isan) Carbohydrates a) aldotetrose b) aldopentose c) ketotriose 1. The monosaccharide that is also called blood sugar 4. In the following Fischer projection, which chiral carbon is used to determine whether the sugar is。er L? a) ribulose b) galactose c) glucose d) bose a) The green carbon b) The yellow carbon c) The blue carbon d) The red carbon он но но CH2OH 2. All of the following monosaccharides are aldoses &. In the following Flscher projection, is...
Chapter 7 - Carbohydrates (20 points) 1. (15 points) Answer each part of the following question...
Chapter 7 - Carbohydrates (20 points) 1. (15 points) Answer each part of the following question regarding a polysaccharide that consists of the following repetitive toisaccharide unit. A. (10 points) Draw a Haworth projection for one unit of the repetitive trisaccharide described. i. It is a trimer composed of N-acetyl-D-glucosamine (1"position) and D-fructose (2nd position) and L-mannose (3rd position). ii. The linkage between N-acetyl-D-glucosamine and D-fructose is a 1+4). iii. The linkage between D-fructose and L-mannose is Fru(a2B1) Man B....
QUESTION 14. 2 POINTS Which alcohol will oxidize to an aldehyde? Select all that apply: 1-propanol...
QUESTION 14. 2 POINTS Which alcohol will oxidize to an aldehyde? Select all that apply: 1-propanol O 2-butanol 2-propanol 1-pentanol
Question 3 (10 points) Which statements are true in the following choice? Select all that apply....
Question 3 (10 points)
Which statements are true in the following choice? Select all
that apply.
Question 3 options:
A.
Lecture Notes topic: "Percent Composition
Textbook section: 3.8".
The percent by weight composition shows the density of a
component inside 100 g of a whole item. Its expression is as
follows:
% by weight = (weight of component x weight of whole set) /
100
B.
Lecture Notes topic: "Percent Composition
Textbook section: 3.8".
The percent by weight composition shows...
select all that apply please Question Completion Status: QUESTION 1 Which of the following are rings?...
select all that apply please
Question Completion Status: QUESTION 1 Which of the following are rings? 7Z Z/18Z QC/2) = (a + bv2 : 0,5 € Q} QCV2, V3) = {a + b 2 + c/3 +0V6: 2,6,c,d E QI ZIV3] = {a + bv3: a, b € Z} R= {a + b2 : a,b e Q} Z[i] = {a + bi: a,b E Z} 2/3) = (a + b3 + c3V9:0,b,c E Q] QUESTION 2
Question 29 (2 points) Which of the following is/are true for Pasteurization (Select all that apply):...
Question 29 (2 points) Which of the following is/are true for Pasteurization (Select all that apply): Pasteurization increases spoilage organisms and pathogens Different products require different temperatures and times CD Equivalent treatments are: 63?C for 30 sec, 72?C for 15 min, and 140+C for <1 min Thermoduric organisms do not survive Pasteurization Save Question 30 (2 points) Which of the following is/are true for different bands of the electromagnetic spectrum and how it kills microorganisms (Select all that apply) It...
Question 6 (10 points) Which of the following describe designated market makers? Select all that apply....
Question 6 (10 points) Which of the following describe designated market makers? Select all that apply. maintain a fair and orderly market receive an advance look at the limit order book make markets at all times, even when trading at a loss participate in the market during times of volatility Question 7 (10 points) Investment banks assume no risk when working on a firm's IPO. True False
Question 5 (1.25 points) Which of the following carbohydrates should be able to be broken down into smaller pieces in a hydrolysis reaction? (Select all that apply.) Fructose Cellulose Lactose Sucrose Starch Question 6 (1.25 points) The following sugar would exhibit positive tests for which of the following tests? (Select all that apply.) CH,он н H OH ОН но lodine None of the these tests would be positive. Benedict Seliwanoff
3. Ribose isan) Carbohydrates a) aldotetrose b) aldopentose c) ketotriose 1. The monosaccharide that is also called blood sugar 4. In the following Fischer projection, which chiral carbon is used to determine whether the sugar is。er L? a) ribulose b) galactose c) glucose d) bose a) The green carbon b) The yellow carbon c) The blue carbon d) The red carbon он но но CH2OH 2. All of the following monosaccharides are aldoses &. In the following Flscher projection, is...
Chapter 7 - Carbohydrates (20 points) 1. (15 points) Answer each part of the following question regarding a polysaccharide that consists of the following repetitive toisaccharide unit. A. (10 points) Draw a Haworth projection for one unit of the repetitive trisaccharide described. i. It is a trimer composed of N-acetyl-D-glucosamine (1"position) and D-fructose (2nd position) and L-mannose (3rd position). ii. The linkage between N-acetyl-D-glucosamine and D-fructose is a 1+4). iii. The linkage between D-fructose and L-mannose is Fru(a2B1) Man B....
QUESTION 14. 2 POINTS Which alcohol will oxidize to an aldehyde? Select all that apply: 1-propanol O 2-butanol 2-propanol 1-pentanol
Question 3 (10 points)
Which statements are true in the following choice? Select all
that apply.
Question 3 options:
A.
Lecture Notes topic: "Percent Composition
Textbook section: 3.8".
The percent by weight composition shows the density of a
component inside 100 g of a whole item. Its expression is as
follows:
% by weight = (weight of component x weight of whole set) /
100
B.
Lecture Notes topic: "Percent Composition
Textbook section: 3.8".
The percent by weight composition shows...
select all that apply please
Question Completion Status: QUESTION 1 Which of the following are rings? 7Z Z/18Z QC/2) = (a + bv2 : 0,5 € Q} QCV2, V3) = {a + b 2 + c/3 +0V6: 2,6,c,d E QI ZIV3] = {a + bv3: a, b € Z} R= {a + b2 : a,b e Q} Z[i] = {a + bi: a,b E Z} 2/3) = (a + b3 + c3V9:0,b,c E Q] QUESTION 2
Question 29 (2 points) Which of the following is/are true for Pasteurization (Select all that apply): Pasteurization increases spoilage organisms and pathogens Different products require different temperatures and times CD Equivalent treatments are: 63?C for 30 sec, 72?C for 15 min, and 140+C for <1 min Thermoduric organisms do not survive Pasteurization Save Question 30 (2 points) Which of the following is/are true for different bands of the electromagnetic spectrum and how it kills microorganisms (Select all that apply) It...
Question 6 (10 points) Which of the following describe designated market makers? Select all that apply. maintain a fair and orderly market receive an advance look at the limit order book make markets at all times, even when trading at a loss participate in the market during times of volatility Question 7 (10 points) Investment banks assume no risk when working on a firm's IPO. True False
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