Homework Answers
hemiacetal - 1 ( in which C contains OR, OH, R, H)
hemiketal-0 (in which C contain Or, OH, R, R)
acetal-1 (in which C contain OR, OR, R, H)
ketal-0 (in which C contain OR, OR, R, R)
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3. Cellobiose is a disaccharide from malt and starch. It is used as a sweetening agent...
3. a) Cellobiose is a disaccharide with two glucopyranose rings connected with a B1-4 linkage. Based...
3. a) Cellobiose is a disaccharide with two glucopyranose rings connected with a B1-4 linkage. Based on this information, draw cellobiose at right: b) This linkage is similar to which polysaccharide? c) Give a balanced reaction for the hydrolysis of cellobiose. Draw all structures: 4. What type of linkage is in each disaccharide below? Give the number of the each carbon linked in the glycosidic bond, and the a or ß chirality for each anomeric carbon (e.g., a1-4) НО. А...
D-Glucose RC +HO-R = H----OH HOP! H -OH нон CH, OH "CH, OH OH HOROR R-C-OR...
D-Glucose RC +HO-R = H----OH HOP! H -OH нон CH, OH "CH, OH OH HOROR R-C-OR R -C-OR + HOH H HO-R Hemiacetal Acetal Aldehyde Alcohol OR 3-436- OHHO- --OR = R'--0 + HO- R R RC-OR + HOH HOR Ketone Alcohol Hemiketal Ketal ch Wired Company CH, OH Сен,он 5. Label the functional group as acetal, ketal, hemiacetal or hemiketal. KOH OH нон a-D-Glucopyranose B-D-Glucopyranose
CARBOHYDRATE REACTIONS NAME: QUESTIONS: (You may have to consult a textbook or Google) 1. Which o...
CARBOHYDRATE REACTIONS NAME: QUESTIONS: (You may have to consult a textbook or Google) 1. Which of the following is a D-aldopentose? 2. Which of the following is an L-saccharide? a. glycogen b. amylopectin e. amylose d. cellobiose 3. Unlike sucrose, most disaccharides are reducing sugars. This is because they contain "hemiacetal or Themiketal" groups which readily hydrolyze to give a free aldehyde. DisaccharidesJlike sucrose which contain only "acetal" or "ketal" groups are non-reducing sugars. cach of the following disaccharides as...
2. Complete the following oxidation-reaction: (3 points) 1+ CH2 1H 3. Label each of the following...
2. Complete the following oxidation-reaction: (3 points) 1+ CH2 1H 3. Label each of the following structures as a hemiacetal, hemiketal, acetal, ketal or none of these. (3 points) a. b. O CH2CH3 OCH CH3 CHCH-OH d. 6. Match the structural formula with the correct functional group: (4 points) A) aldehyde a CH3CH,OH B) ether C) ketone e. CH3OH D) alcohol
b.) OH 3. This antibiotic contains one or more of the functional groups listed in the...
b.) OH 3. This antibiotic contains one or more of the functional groups listed in the box below. Circle each functional group it possesses. Circle all correct answers. a.) acetal НО. HO b.) hemiacetal OH c.) acetyl d.) formy
2. Enzymes are important biological molecules and they act as catalysts for specific chemical reactions. Their...
2. Enzymes are important biological molecules and they act as catalysts for specific chemical reactions. Their biological function is determined by their 3 dimensional shape and the functional groups present in the active site. (a) What are the main mechanisms by which an enzyme increase the rate of a reaction? (b) What is a cofactor in an enzyme mediated reaction? (c) Give the name of a cofactor (structure if possible) and indicate the type of reaction that it facilitates. 3....
Which is the correct name for 1 a-3-iodopentan-2-al b-2-Iodopentan-3-one c-3-lodopentan-2-one 0-2-lodopentan-3-al Which is the correct name...
Which is the correct name for 1 a-3-iodopentan-2-al b-2-Iodopentan-3-one c-3-lodopentan-2-one 0-2-lodopentan-3-al Which is the correct name for a. 2-iodobutan-3-al b-3-jodobutan-2-one c-2-iodobutan-3-one d-3-iodobutan-2-al Which is the correct name for? a d-methylpropanal ethylpropanalb-propanone o-butanone 9. Which is the correct name for CH3CH2COCH2CH32 a diethyl ketone b-pentan-4-one c-pentan-3-ald-pentan-3-one e-pentan-2-one '' Which is the correct name for CH3CHO, a. Ethone b-ethanol c-vinger d-ketanal e-ethanal 11 ICH 2 -CH2-C-CH2-CH3 Which is the correct name for a. 5-jodopentan-2-one b- 1-iodopentan-2-one c-1-iodopentan-3-one d-5-iodopentan-3-one 12-Which of the following...
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...
Which is the correct name for 2-3-iedopentan-2-alb-2-ledopeatan-3-one .B.Iodopentan-2-one 4-2-iodopentanal FLED THIS Which is the correct name...
Which is the correct name for 2-3-iedopentan-2-alb-2-ledopeatan-3-one .B.Iodopentan-2-one 4-2-iodopentanal FLED THIS Which is the correct name for a 2-lodobutan-3-al b-3-lodobutan-2-one c-2-lodobutan-3-one d-3-lodobutan-2-al Which is the correct name for? -butanone d-methylpropanal a ethylpropanalb-propanone 9. Which is the correct name for CH3CH2COCH2CH32 diethyl ketone b-pentan-4-one c-pentan-3-al d-pentan-3-one c.pentan-2-one 10 Which is the correct name for - CH3CH03 -ethanal a. Ethone b-ethanol c-vinger d-ketanal ICH-CH2-C-CH2-CH3 Which is the correct name for a. 5-iodopentan-2-one b. 1-iodopentan-2-one c-1-iodopentan-3-one d-5-iodopentan-3-one 12. Which of the following properly...
Aspartame (trade name NutraSweet) is a widely used substitute sweetener, 180 times sweeter than table sugar....
Aspartame (trade name NutraSweet) is a widely used substitute sweetener, 180 times sweeter than table sugar. Identify the functional groups in aspartame. (3) CECH.CH HNN+CHCH2 OCH aspartame 3 attempts left Check my work Be sure to answer all parts. For each amino acid: [1] Complete the amino acid and [2] classify the amino acid as neutral, acidic, or basic. a. leucine b. tryptophan c. lysine d. aspartic acid [1] R Group [2] Classification Oo (select) finish structure ...
3. a) Cellobiose is a disaccharide with two glucopyranose rings connected with a B1-4 linkage. Based on this information, draw cellobiose at right: b) This linkage is similar to which polysaccharide? c) Give a balanced reaction for the hydrolysis of cellobiose. Draw all structures: 4. What type of linkage is in each disaccharide below? Give the number of the each carbon linked in the glycosidic bond, and the a or ß chirality for each anomeric carbon (e.g., a1-4) НО. А...
D-Glucose RC +HO-R = H----OH HOP! H -OH нон CH, OH "CH, OH OH HOROR R-C-OR R -C-OR + HOH H HO-R Hemiacetal Acetal Aldehyde Alcohol OR 3-436- OHHO- --OR = R'--0 + HO- R R RC-OR + HOH HOR Ketone Alcohol Hemiketal Ketal ch Wired Company CH, OH Сен,он 5. Label the functional group as acetal, ketal, hemiacetal or hemiketal. KOH OH нон a-D-Glucopyranose B-D-Glucopyranose
CARBOHYDRATE REACTIONS NAME: QUESTIONS: (You may have to consult a textbook or Google) 1. Which of the following is a D-aldopentose? 2. Which of the following is an L-saccharide? a. glycogen b. amylopectin e. amylose d. cellobiose 3. Unlike sucrose, most disaccharides are reducing sugars. This is because they contain "hemiacetal or Themiketal" groups which readily hydrolyze to give a free aldehyde. DisaccharidesJlike sucrose which contain only "acetal" or "ketal" groups are non-reducing sugars. cach of the following disaccharides as...
2. Complete the following oxidation-reaction: (3 points) 1+ CH2 1H 3. Label each of the following structures as a hemiacetal, hemiketal, acetal, ketal or none of these. (3 points) a. b. O CH2CH3 OCH CH3 CHCH-OH d. 6. Match the structural formula with the correct functional group: (4 points) A) aldehyde a CH3CH,OH B) ether C) ketone e. CH3OH D) alcohol
b.) OH 3. This antibiotic contains one or more of the functional groups listed in the box below. Circle each functional group it possesses. Circle all correct answers. a.) acetal НО. HO b.) hemiacetal OH c.) acetyl d.) formy
2. Enzymes are important biological molecules and they act as catalysts for specific chemical reactions. Their biological function is determined by their 3 dimensional shape and the functional groups present in the active site. (a) What are the main mechanisms by which an enzyme increase the rate of a reaction? (b) What is a cofactor in an enzyme mediated reaction? (c) Give the name of a cofactor (structure if possible) and indicate the type of reaction that it facilitates. 3....
Which is the correct name for 1 a-3-iodopentan-2-al b-2-Iodopentan-3-one c-3-lodopentan-2-one 0-2-lodopentan-3-al Which is the correct name for a. 2-iodobutan-3-al b-3-jodobutan-2-one c-2-iodobutan-3-one d-3-iodobutan-2-al Which is the correct name for? a d-methylpropanal ethylpropanalb-propanone o-butanone 9. Which is the correct name for CH3CH2COCH2CH32 a diethyl ketone b-pentan-4-one c-pentan-3-ald-pentan-3-one e-pentan-2-one '' Which is the correct name for CH3CHO, a. Ethone b-ethanol c-vinger d-ketanal e-ethanal 11 ICH 2 -CH2-C-CH2-CH3 Which is the correct name for a. 5-jodopentan-2-one b- 1-iodopentan-2-one c-1-iodopentan-3-one d-5-iodopentan-3-one 12-Which of the following...
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...
Which is the correct name for 2-3-iedopentan-2-alb-2-ledopeatan-3-one .B.Iodopentan-2-one 4-2-iodopentanal FLED THIS Which is the correct name for a 2-lodobutan-3-al b-3-lodobutan-2-one c-2-lodobutan-3-one d-3-lodobutan-2-al Which is the correct name for? -butanone d-methylpropanal a ethylpropanalb-propanone 9. Which is the correct name for CH3CH2COCH2CH32 diethyl ketone b-pentan-4-one c-pentan-3-al d-pentan-3-one c.pentan-2-one 10 Which is the correct name for - CH3CH03 -ethanal a. Ethone b-ethanol c-vinger d-ketanal ICH-CH2-C-CH2-CH3 Which is the correct name for a. 5-iodopentan-2-one b. 1-iodopentan-2-one c-1-iodopentan-3-one d-5-iodopentan-3-one 12. Which of the following properly...
Aspartame (trade name NutraSweet) is a widely used substitute sweetener, 180 times sweeter than table sugar. Identify the functional groups in aspartame. (3) CECH.CH HNN+CHCH2 OCH aspartame 3 attempts left Check my work Be sure to answer all parts. For each amino acid: [1] Complete the amino acid and [2] classify the amino acid as neutral, acidic, or basic. a. leucine b. tryptophan c. lysine d. aspartic acid [1] R Group [2] Classification Oo (select) finish structure ...
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