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E4postlab2 You have successfully placed a protecting group on the sugar....
Please answer all.... Thank you a.) a pentose sugar linked to a phosphate group b.) a...
Please answer all.... Thank you
a.) a pentose sugar linked to a phosphate group
b.) a pentose sugar linked to a nitrogenous base
c.) a hexose sugar linked to a nitrogenous base
d.) a nucleoside liked to a phosphate group
e.) none of the above are correct
85) The process by which donor bacterial genes are "absorbed" by the recipient cell from DNA fragments in the environment has been called transformation O conjugation transduction transversion O bacteriocinogenesis (1...
please answer 13-15 all of them thank you 13) What is the product of the reaction...
please answer 13-15 all of them thank you
13) What is the product of the reaction shown? pomid AD В) С CB D) 14) What is the product of the reaction shown below? Dew the structures of the intermediate A and product B. NOCN O. A) COH в сон AC BA C)D D) 15) Which of the reagents below will oxidize a secondary alcohol to a ketone? A) HgSO4, H2SO4/H20 B) HIO4 C) K2Cr207, H2SO4/H20 D) LIAIH4
IM HAVING DIFFICULTIES TO IDENTIFY NMR, can you please explain in details this answer and whats t...
IM HAVING DIFFICULTIES TO IDENTIFY NMR, can you please explain
in details this answer and whats the easiest way to read it
The reaction is worked up and compared to the starting material by NMR Staring material (methyl (S 2-methy-4-cxobutanoate) Product зн 러 зн H 24 3H 2H 10 PPM 2 PPM Question #14: Does it appear that the correct product has formed? Examine your reasoning type your text here For example, if you had an alcohol and an aldehyde...
please can u answer all of them? thanks 1. What is the IUPAC name for the...
please can u answer all of them? thanks
1. What is the IUPAC name for the following compound? a. a-Chlorovaleryl chloride b. 2-Chloropentanoyl chloride c. 1-Chloropentanoyl chloride d. 1,2-Dichloropentanal e. 1-Chloro-1-butanecarbonyl chloride 2. Which of the following would be the strongest acid? a. 2,3-dimethylhexanoic acid b. 3,3-diiodopentanoic acid c. 3-iodo-4-bromopentanoic acid d. 3-chloro-4-bromohexanoic acid e. 2-fluoro-4-bromopentanoic acid 3. Which of the following would not serve as a synthesis of benzoic acid? HO 1. Cl, NaOH 2. H30 Na Cr207 H2SO4...
You are growing cells in the lab and want them to express Protein X. You have...
You are growing cells in the lab and want them to express Protein X. You have added all necessary transcription factors (both general and specific and have checked all regulatory sequences for mutations (there are none). Still, transcription is not occurring. The best explanation for this would be... The cell is missing a HAT (histone acetyltransferase) O The cell is missing a DNA polymerase O The cell is missing an HMT (histone methyltransferase) The cell is missing an HDAC (histone...
Please answer all parts to this question, parts a through f... they are all part of...
Please answer all parts to this question, parts a through f...
they are all part of the same question so I could not post them
separately. Also please make sure they are correct! The last person
got them wrong.... Thanks! Will give thumbs up if they are all
answered :) Don't forget part f! thanks.
Here is a list of hypothetical acids with their pK 's. The pK, values are valid at 25 °C. Acid pK, A 3.44 B 5.12...
31. A sample of the sugar D-ribose of mass 0.727 g was placed in a calorimeter...
31. A sample of the sugar D-ribose of mass 0.727 g was placed in a calorimeter and then ignited in the presence of excess oxygen. The temperature rose by 0.910 K.. In a separate experiment in the same calorimeter, the combustion of 0.917 g of benzoic acid, for which the internal energy of combustion is - 3226 kJ mol-1, gave a temperature rise of 1.940 K. Calculate the enthalpy of formation of D-ribose. 33. The mean bond enthalpies of C-C,...
please answer ALL. select all answers that apply. will give a thumbs up rating. thank you!...
please answer ALL. select all answers that apply. will give a
thumbs up rating. thank you!
Which of the following molecules can be oxidized to a carboxylic acid with Na2Cr2O7 in aqueous H2SO4? Select all that apply. ОН ОН Н Loh А B с D E D ОА DE B Ос Which of the following substituted benzene rings is more activated towards electrophilic aromatic substitution than benzene? Select all that apply. CF3 Br NH2 OH B с E F B...
please answer ALL. select all answers that apply. will give a rating. thank you! Which of...
please answer ALL. select all answers that apply. will give a
rating. thank you!
Which of the following bonds in the tertiary amine shown, CANNOT be formed via reductive amination? Select all that apply. (A). (B) (C) Ос Ов ОА Acetal formation is an equilibrium reaction that doesn't favor the formation of the acetal product. What can you do to drive the reaction to completion? Select all that apply. Remove H20 Add more acid Add excess ROH Remove ROH Add...
You are instructed to create 400. mL of a 0.39 M phosphate buffer with a pH...
You are instructed to create 400. mL of a 0.39 M phosphate buffer with a pH of 6.2. You have phosphoric acid and the sodium salts NaH2PO4, Na2HPO4, and Na3PO4 available. (Enter all numerical answers to three significant figures.) H3PO4(s) + H20(I) =H30+ (aq) + H2PO4 (aq) Kai = 6.9x10-3 H2PO4 (aq) + H20(1) =H30+ (aq) + HPO42-(aq) Ka2 = 6.2 x 10-8 HPO42-(aq) + H20(1) = H30+(aq) + PO43-(aq) Ka3 = 4.8x10-13 Which of the available chemicals will you...
Please answer all.... Thank you
a.) a pentose sugar linked to a phosphate group
b.) a pentose sugar linked to a nitrogenous base
c.) a hexose sugar linked to a nitrogenous base
d.) a nucleoside liked to a phosphate group
e.) none of the above are correct
85) The process by which donor bacterial genes are "absorbed" by the recipient cell from DNA fragments in the environment has been called transformation O conjugation transduction transversion O bacteriocinogenesis (1...
please answer 13-15 all of them thank you
13) What is the product of the reaction shown? pomid AD В) С CB D) 14) What is the product of the reaction shown below? Dew the structures of the intermediate A and product B. NOCN O. A) COH в сон AC BA C)D D) 15) Which of the reagents below will oxidize a secondary alcohol to a ketone? A) HgSO4, H2SO4/H20 B) HIO4 C) K2Cr207, H2SO4/H20 D) LIAIH4
IM HAVING DIFFICULTIES TO IDENTIFY NMR, can you please explain
in details this answer and whats the easiest way to read it
The reaction is worked up and compared to the starting material by NMR Staring material (methyl (S 2-methy-4-cxobutanoate) Product зн 러 зн H 24 3H 2H 10 PPM 2 PPM Question #14: Does it appear that the correct product has formed? Examine your reasoning type your text here For example, if you had an alcohol and an aldehyde...
please can u answer all of them? thanks
1. What is the IUPAC name for the following compound? a. a-Chlorovaleryl chloride b. 2-Chloropentanoyl chloride c. 1-Chloropentanoyl chloride d. 1,2-Dichloropentanal e. 1-Chloro-1-butanecarbonyl chloride 2. Which of the following would be the strongest acid? a. 2,3-dimethylhexanoic acid b. 3,3-diiodopentanoic acid c. 3-iodo-4-bromopentanoic acid d. 3-chloro-4-bromohexanoic acid e. 2-fluoro-4-bromopentanoic acid 3. Which of the following would not serve as a synthesis of benzoic acid? HO 1. Cl, NaOH 2. H30 Na Cr207 H2SO4...
You are growing cells in the lab and want them to express Protein X. You have added all necessary transcription factors (both general and specific and have checked all regulatory sequences for mutations (there are none). Still, transcription is not occurring. The best explanation for this would be... The cell is missing a HAT (histone acetyltransferase) O The cell is missing a DNA polymerase O The cell is missing an HMT (histone methyltransferase) The cell is missing an HDAC (histone...
Please answer all parts to this question, parts a through f...
they are all part of the same question so I could not post them
separately. Also please make sure they are correct! The last person
got them wrong.... Thanks! Will give thumbs up if they are all
answered :) Don't forget part f! thanks.
Here is a list of hypothetical acids with their pK 's. The pK, values are valid at 25 °C. Acid pK, A 3.44 B 5.12...
please answer ALL. select all answers that apply. will give a
thumbs up rating. thank you!
Which of the following molecules can be oxidized to a carboxylic acid with Na2Cr2O7 in aqueous H2SO4? Select all that apply. ОН ОН Н Loh А B с D E D ОА DE B Ос Which of the following substituted benzene rings is more activated towards electrophilic aromatic substitution than benzene? Select all that apply. CF3 Br NH2 OH B с E F B...
please answer ALL. select all answers that apply. will give a
rating. thank you!
Which of the following bonds in the tertiary amine shown, CANNOT be formed via reductive amination? Select all that apply. (A). (B) (C) Ос Ов ОА Acetal formation is an equilibrium reaction that doesn't favor the formation of the acetal product. What can you do to drive the reaction to completion? Select all that apply. Remove H20 Add more acid Add excess ROH Remove ROH Add...
You are instructed to create 400. mL of a 0.39 M phosphate buffer with a pH of 6.2. You have phosphoric acid and the sodium salts NaH2PO4, Na2HPO4, and Na3PO4 available. (Enter all numerical answers to three significant figures.) H3PO4(s) + H20(I) =H30+ (aq) + H2PO4 (aq) Kai = 6.9x10-3 H2PO4 (aq) + H20(1) =H30+ (aq) + HPO42-(aq) Ka2 = 6.2 x 10-8 HPO42-(aq) + H20(1) = H30+(aq) + PO43-(aq) Ka3 = 4.8x10-13 Which of the available chemicals will you...
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