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3. It turns out that, even if only the (R) enantiomer of thalidomide is taken, it racemizes under physiological conditi...
Table 1. Teratogenicity of the Optical Isomers of Thalidomide in New Zealand White Rabbits (based on...
Table 1. Teratogenicity of the Optical Isomers of Thalidomide in New Zealand White Rabbits (based on Fabro, Shill, Normal Fetuses Malformed Fetuses Optical form administered (150 mg#Rabbits drug/kg body weight) None 5 39 0 RS 6 25 10 R(+) 7 46 8 S(-) 8 56 9 These results were disputed by Kohler, et al. (5) in 1979. They claimed that the S-enantiomer was responsible for a 47% rate of malformation of fetuses in mice and a 92% malformation in rats....
4. This question is in reference to Table 1 found in Section 3 "Scientific Results in...
4. This question is in reference to Table 1 found in Section 3
"Scientific Results in Support of Thalidomide Victims." Based on
the results, what can you conclude about the teratogenicity of the
racemic mixture versus R/S enantiomers of thalidomide?
5. This question is in reference to Table 2 found in Section 3
"Scientific Results in Support of Thalidomide Victims." What can
you conclude about the inversion rate for the two
enantiomers?
6. The rate of inversion 0.5 (hr-1) corresponds...
4. (1 pt.) This question is in reference to Table 1 found in Section 3 "Scientific...
4. (1 pt.) This question is in reference to Table 1 found in Section 3 "Scientific Results in Support of Thalidome Victims". Based on the results, what can you conclude about the teratogenicity of the racemic mixture versus RA enantiomers of thalidomide? 5. (1 pt.) This question is in reference to Table 2 found in Section 3 "Scientific Results in Support of Thalidomide Victims". What can you conclude about the inversion rate for the two enantiomers? Table 1: Teratogenicity of...
because it is 3° carbon shouldnt it be an SN1 reaction? even though it is in...
because it is 3° carbon shouldnt it be an SN1 reaction? even though
it is in a aprotic solvent with a strong Nu?
Sodium Cyanide reacts with 2-bromobutane in dimethylsulfoxide to form a substitution product. Identify the configuration of the 2-bromobutane structure shown below. Then draw the substitution product formed when this enantiomer reacts with NaCN in DMSO, and indicate the stereochemistry of the product. O O (R)-2-bromobutane (S)-2-bromobutane Use wedge-and-dash bonds to show stereochemistry, and show explicitly the hydrogen...
CRITICAL THINKING EXERCISE 1. Speculate when would green plants carry out: a. Photosynthesis - only during...
CRITICAL THINKING EXERCISE 1. Speculate when would green plants carry out: a. Photosynthesis - only during the day, only at night, continuously, or never? Make sure to provide the rationale for your answer. b. Cellular respiration - only during the day, only at night, continuously, or never? Make sure to provide the rationale for your answer. 2. Formulate an experimental design to measure product formation in the Calvin Cycle? (Hint: There are assays using iodine to test for the product...
CHO 1. NH2OH 2. Ac2o 3. CH,O CHO OH H- HO H HO H HCN H...
CHO 1. NH2OH 2. Ac2o 3. CH,O CHO OH H- HO H HO H HCN H OH OH H- OH H- -OH H- CH2OH CH2OH The Wohl degradation is a series of reactions that shorten an aldose chain by one carbon, it is almost the exact opposite of the Kiliani In this reaction the aldose aldehyde carbonyl group is converted into a nitrile. The resulting cyanohydrin loses HCN under basic cone Conversion of the aldehyde to a nitrile is accomplished...
7. Despite Break-even analysis is a useful tool to find out the break-even point, it has...
7. Despite Break-even analysis is a useful tool to find out the break-even point, it has a number of assumptions. Which of the following is incorrect? Course teacher: Steve Lam Course Assessment 3 A Total costs and total revenues do not have linear functions of output B Assuming costs can be classified into either fixed or variable elements C The analysis only considers the decision at the relevant range D Volume is the only factor affecting costs, and all other...
part b Problem 4 (20 points) a) Samples of four bolts are taken every hour, and their and recorded. This data is Determine or the associated ž and R charts if only these five samples strength is m...
part b
Problem 4 (20 points) a) Samples of four bolts are taken every hour, and their and recorded. This data is Determine or the associated ž and R charts if only these five samples strength is measure in newsons s shown below. Determine the upper and lower coetrol limits were used Time 8:00 10:00 11:00 12:00 b) Every hour 80 transistors are taken at random from a production run. If the number of defects found in each sample over...
Outback out r ters sells recreational equipment. One of the company's products, a small camp stove,...
Outback out r ters sells recreational equipment. One of the company's products, a small camp stove, sells for $1 40 per unit Variable expenses are串98 per stove, anc fixed expenses associated with the stove tota $197,400 per month. Required: 1. Compute the company's break-even point in unit sales and in dollar sales. Polnt Number of stowes Total sales dollars 4,70 658,000 $ 2. If the variable expenses per stove increase as a percentage of the selling price, will it result...
4. (10 points) Samples of three (3) resistors are taken periodically, and the resistances in ohms,...
4. (10 points) Samples of three (3) resistors are taken periodically, and the resistances in ohms, are measured. The following table presents the sample means (R), and sample standard deviations (s) for 25 consecutive samples. (X) ), ranges Sample R 5.114 0.146 0.077 0.085 0.031 1 0.158 2 5.144 3 5.220 0.057 0.081 0.099 5.196 0.158 5 5.176 0.172 0.030 0.017 0.059 0.099 0.053 6 5.222 7 5.209 5.212 0.118 0.157 0.085 9 5.238 10 0.104 0.054 5.152 11 5.163...
Table 1. Teratogenicity of the Optical Isomers of Thalidomide in New Zealand White Rabbits (based on Fabro, Shill, Normal Fetuses Malformed Fetuses Optical form administered (150 mg#Rabbits drug/kg body weight) None 5 39 0 RS 6 25 10 R(+) 7 46 8 S(-) 8 56 9 These results were disputed by Kohler, et al. (5) in 1979. They claimed that the S-enantiomer was responsible for a 47% rate of malformation of fetuses in mice and a 92% malformation in rats....
4. This question is in reference to Table 1 found in Section 3
"Scientific Results in Support of Thalidomide Victims." Based on
the results, what can you conclude about the teratogenicity of the
racemic mixture versus R/S enantiomers of thalidomide?
5. This question is in reference to Table 2 found in Section 3
"Scientific Results in Support of Thalidomide Victims." What can
you conclude about the inversion rate for the two
enantiomers?
6. The rate of inversion 0.5 (hr-1) corresponds...
4. (1 pt.) This question is in reference to Table 1 found in Section 3 "Scientific Results in Support of Thalidome Victims". Based on the results, what can you conclude about the teratogenicity of the racemic mixture versus RA enantiomers of thalidomide? 5. (1 pt.) This question is in reference to Table 2 found in Section 3 "Scientific Results in Support of Thalidomide Victims". What can you conclude about the inversion rate for the two enantiomers? Table 1: Teratogenicity of...
because it is 3° carbon shouldnt it be an SN1 reaction? even though
it is in a aprotic solvent with a strong Nu?
Sodium Cyanide reacts with 2-bromobutane in dimethylsulfoxide to form a substitution product. Identify the configuration of the 2-bromobutane structure shown below. Then draw the substitution product formed when this enantiomer reacts with NaCN in DMSO, and indicate the stereochemistry of the product. O O (R)-2-bromobutane (S)-2-bromobutane Use wedge-and-dash bonds to show stereochemistry, and show explicitly the hydrogen...
CRITICAL THINKING EXERCISE 1. Speculate when would green plants carry out: a. Photosynthesis - only during the day, only at night, continuously, or never? Make sure to provide the rationale for your answer. b. Cellular respiration - only during the day, only at night, continuously, or never? Make sure to provide the rationale for your answer. 2. Formulate an experimental design to measure product formation in the Calvin Cycle? (Hint: There are assays using iodine to test for the product...
CHO 1. NH2OH 2. Ac2o 3. CH,O CHO OH H- HO H HO H HCN H OH OH H- OH H- -OH H- CH2OH CH2OH The Wohl degradation is a series of reactions that shorten an aldose chain by one carbon, it is almost the exact opposite of the Kiliani In this reaction the aldose aldehyde carbonyl group is converted into a nitrile. The resulting cyanohydrin loses HCN under basic cone Conversion of the aldehyde to a nitrile is accomplished...
7. Despite Break-even analysis is a useful tool to find out the break-even point, it has a number of assumptions. Which of the following is incorrect? Course teacher: Steve Lam Course Assessment 3 A Total costs and total revenues do not have linear functions of output B Assuming costs can be classified into either fixed or variable elements C The analysis only considers the decision at the relevant range D Volume is the only factor affecting costs, and all other...
part b
Problem 4 (20 points) a) Samples of four bolts are taken every hour, and their and recorded. This data is Determine or the associated ž and R charts if only these five samples strength is measure in newsons s shown below. Determine the upper and lower coetrol limits were used Time 8:00 10:00 11:00 12:00 b) Every hour 80 transistors are taken at random from a production run. If the number of defects found in each sample over...
Outback out r ters sells recreational equipment. One of the company's products, a small camp stove, sells for $1 40 per unit Variable expenses are串98 per stove, anc fixed expenses associated with the stove tota $197,400 per month. Required: 1. Compute the company's break-even point in unit sales and in dollar sales. Polnt Number of stowes Total sales dollars 4,70 658,000 $ 2. If the variable expenses per stove increase as a percentage of the selling price, will it result...
4. (10 points) Samples of three (3) resistors are taken periodically, and the resistances in ohms, are measured. The following table presents the sample means (R), and sample standard deviations (s) for 25 consecutive samples. (X) ), ranges Sample R 5.114 0.146 0.077 0.085 0.031 1 0.158 2 5.144 3 5.220 0.057 0.081 0.099 5.196 0.158 5 5.176 0.172 0.030 0.017 0.059 0.099 0.053 6 5.222 7 5.209 5.212 0.118 0.157 0.085 9 5.238 10 0.104 0.054 5.152 11 5.163...
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