Provide Fischer projections of glucose and ribose in their acyclic forms, and note that one is...
Provide Fischer projections of glucose and ribose in their acyclic forms, and note that one is an aldehyde and one in a ketone.
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Provide Fischer projections of glucose and ribose in their
acyclic forms, and note that one is...
Draw Fischer-projections for the hexitols obtained by reducing a mixture of D-mannose, D-glucose, D-fructose and D-galactose.
Draw Fischer-projections for the hexitols obtained by reducing a mixture of D-mannose, D-glucose, D-fructose and D-galactose.
11 Which compound will notexhibit optical activity? (Note that these are all Fischer projections) Explain the...
11 Which compound will notexhibit optical activity? (Note that these are all Fischer projections) Explain the logic behind your choice CH, CH, OH OH OH OH -CH HO HO HO HO -CH HO HO H OH сн, OH Which of the molecules below is in the (R) configuration according to the Cahn-Ingold-Prelog 12. convention? CH2B H H3C CH2CI CH2CI 2 H CH2Br CH28 CH2B Нзс CH2F H3C CH2CI CHzBr HIIK
11 Which compound will notexhibit optical activity? (Note that these...
1. For D-glucose and D-fructose provide the following information: a) Molecular formula b) Fischer projection of...
1. For D-glucose and D-fructose provide the following information: a) Molecular formula b) Fischer projection of the open chain and specified cyclic structure c)Type of carbohydrate (Prefix: aldo or keto + number of carbons + "ose"; e.g. aldohexose) D-glucose Molecular formula: Type of carbohydrate: Fischer projection a- cyclic structure D-fructose Molecular formula: Type of carbohydrate: Fischer projection B-cyclic structure O
please do all. 7D. Complete the following Fischer projections for all 4 of your models and...
please do all.
7D. Complete the following Fischer projections for all 4 of your models and assign Rand S to all chiral carbons. Label the pairs of enantiomers and the pairs of diastereomers. COOH COOH COOH COOH НО- -Н Н- СН3 COOH Союн COOH соон 7A. Complete the following Fischer projections for the three tartaric acid isomers. Label the pair of enantiomers, a pair of diastereomers, and the meso isomer. Assign R or S designations to all chiral carbons. COOH...
ney lei. The synthesis lengths a monosaccharide chain by adding one carbon to the aldehyde end...
ney lei. The synthesis lengths a monosaccharide chain by adding one carbon to the aldehyde end of an aldose. acetals a-glycoside Glycosides are cyclic they are hydrolyzed with acid and water to and a molecule of alcohol. epimers ketose Monosaccharides containing an aldehyde are called contains a ketone. whereas anomers Kiliani-Fischer Two diastereomers that differ in configuration around one stereogenic center only are known as aldoses hemiacetals Starch is a polymer composed of repeating glucose units joined together with bonds...
Question 4: The Haworth projections of the furanose and pyranose forms of D-glucose are shown below:...
Question 4: The Haworth projections of the
furanose and pyranose forms of D-glucose are shown below:
a)
Make models of each and determine which is the most stable and what
types of strain are involved to make other forms less favored. Draw
these models.
b)
Can you see how the lone pairs of the hemi-acetal ring oxygen are
positioned to interact with the anti-bonding orbital of the
sp3 hybrid of the other C-O of the hemi-acetal (i.e. the
new OH...
12) Consider the conversion of pyruvate to lactate. Which statement is TRUE? OO OH 0 +...
12) Consider the conversion of pyruvate to lactate. Which statement is TRUE? OO OH 0 + CHU - C-CH0 pyruvate CH = CH-CH0 lactate a) It is the preparatory step to the creation of acetyl CoA and the release of CO2 b) It is the isomerization that allows glycolysis to occur (→ CH.CHOH + CO2). e) It is the only way to consume electrons under anaerobic conditions. d) It is a "fermentation step which makes ethanol as an alternative fuel....
1. Why do fats provide more energy per molecule than glucose? Explain your answer in terms...
1. Why do fats provide more energy per molecule than glucose? Explain your answer in terms of the electrons extracted during the process of cellular respiration. 2. A rare, frameshift genetic mutation can alter the structure of the Pyruvate Dehydrogenase Complex such that it no longer functions within the cell. Describe what parts of the process of cellular respiration would be impacted due to this non- functional enzyme. 3. The citric acid cycle functions to completely oxidize glucose in the...
Please complete for Tuesday, we will go through the questions and mark them in class. pg 156 - 4.23,...
Please complete for Tuesday, we will go through the questions and mark them in class. pg 156 - 4.23, 4.24, 4.26 pg 170 - 4.29, 4.31, pg 171-4.36 pg 175 - 4.59 pg 176- 4.74, 4.75, 4.80 pg 177-4.81, 4.82 pg 188- 5.1, 5.4, 5.5, 5.6, 5.11 - Using Table 5.1 pg 198-5.22, 5.25 pg 203 - 5.29 pg 206 - 5.37 pg 209 - 5.39 pg 2.14 5.61 pg 235-6.11, 6.14, 6.16 156 CHAPTER 4 Introduction to Organic Compounds...
11 Which compound will notexhibit optical activity? (Note that these are all Fischer projections) Explain the logic behind your choice CH, CH, OH OH OH OH -CH HO HO HO HO -CH HO HO H OH сн, OH Which of the molecules below is in the (R) configuration according to the Cahn-Ingold-Prelog 12. convention? CH2B H H3C CH2CI CH2CI 2 H CH2Br CH28 CH2B Нзс CH2F H3C CH2CI CHzBr HIIK
11 Which compound will notexhibit optical activity? (Note that these...
1. For D-glucose and D-fructose provide the following information: a) Molecular formula b) Fischer projection of the open chain and specified cyclic structure c)Type of carbohydrate (Prefix: aldo or keto + number of carbons + "ose"; e.g. aldohexose) D-glucose Molecular formula: Type of carbohydrate: Fischer projection a- cyclic structure D-fructose Molecular formula: Type of carbohydrate: Fischer projection B-cyclic structure O
please do all.
7D. Complete the following Fischer projections for all 4 of your models and assign Rand S to all chiral carbons. Label the pairs of enantiomers and the pairs of diastereomers. COOH COOH COOH COOH НО- -Н Н- СН3 COOH Союн COOH соон 7A. Complete the following Fischer projections for the three tartaric acid isomers. Label the pair of enantiomers, a pair of diastereomers, and the meso isomer. Assign R or S designations to all chiral carbons. COOH...
ney lei. The synthesis lengths a monosaccharide chain by adding one carbon to the aldehyde end of an aldose. acetals a-glycoside Glycosides are cyclic they are hydrolyzed with acid and water to and a molecule of alcohol. epimers ketose Monosaccharides containing an aldehyde are called contains a ketone. whereas anomers Kiliani-Fischer Two diastereomers that differ in configuration around one stereogenic center only are known as aldoses hemiacetals Starch is a polymer composed of repeating glucose units joined together with bonds...
Question 4: The Haworth projections of the
furanose and pyranose forms of D-glucose are shown below:
a)
Make models of each and determine which is the most stable and what
types of strain are involved to make other forms less favored. Draw
these models.
b)
Can you see how the lone pairs of the hemi-acetal ring oxygen are
positioned to interact with the anti-bonding orbital of the
sp3 hybrid of the other C-O of the hemi-acetal (i.e. the
new OH...
12) Consider the conversion of pyruvate to lactate. Which statement is TRUE? OO OH 0 + CHU - C-CH0 pyruvate CH = CH-CH0 lactate a) It is the preparatory step to the creation of acetyl CoA and the release of CO2 b) It is the isomerization that allows glycolysis to occur (→ CH.CHOH + CO2). e) It is the only way to consume electrons under anaerobic conditions. d) It is a "fermentation step which makes ethanol as an alternative fuel....
1. Why do fats provide more energy per molecule than glucose? Explain your answer in terms of the electrons extracted during the process of cellular respiration. 2. A rare, frameshift genetic mutation can alter the structure of the Pyruvate Dehydrogenase Complex such that it no longer functions within the cell. Describe what parts of the process of cellular respiration would be impacted due to this non- functional enzyme. 3. The citric acid cycle functions to completely oxidize glucose in the...
Please complete for Tuesday, we will go through the questions and mark them in class. pg 156 - 4.23, 4.24, 4.26 pg 170 - 4.29, 4.31, pg 171-4.36 pg 175 - 4.59 pg 176- 4.74, 4.75, 4.80 pg 177-4.81, 4.82 pg 188- 5.1, 5.4, 5.5, 5.6, 5.11 - Using Table 5.1 pg 198-5.22, 5.25 pg 203 - 5.29 pg 206 - 5.37 pg 209 - 5.39 pg 2.14 5.61 pg 235-6.11, 6.14, 6.16 156 CHAPTER 4 Introduction to Organic Compounds...
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