Homework Answers
Which of the following is correct
Answer:(C)
Adenosine monophosphate (AMP)
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QUESTION 10 Which of the following is the correct structure of a nucleotide with a purine...
Question 15 (4 points) What is the correct structure of histidine at pH 1? The pKa...
Question 15 (4 points) What is the correct structure of histidine at pH 1? The pKa values are 1.8 (carboxylic acid), 9.2 (amine (conjugate acid)), and 6.0 (sidechain, the double bonded N in ring)? OH OC H2 NH CH NH, NH CH NH o NH CHC NH ON OH С NH H2 CH-C NH2 Question 16 (4 points) Which one is the major product of the following reaction sequence? NH2 1. excess CH31 2. Ag,0,H,O heat M my
48. Use the figure below to answer the following questions. TS.Cyelle nucleotide RNA 0 0 B...
48. Use the figure below to answer the following questions. TS.Cyelle nucleotide RNA 0 0 B O-POCHO 0 Н M 31 H NIE 0 HO 1 NH -0 H0 CH Ване ANI OPO H His 119 His 119 он -O-P- CH, 0-11 OPO 0- His 119 a. In the first step of the reaction. His 12 is acting as a and His 119 is acting as a a. General base, general acid b. General acid, general base c. Nucleophile, electrophile...
Question 7 (2 points) A compound with a molecular formula of C10H1202 has the following TH...
Question 7 (2 points) A compound with a molecular formula of C10H1202 has the following TH NMR spectrum. Which of the following structures is consistent with this spectrum? OCH CH.CH CH,CH.CH 1 OOH OH CH,CH,CH, CH2CH.CH IV Oa) III Ob) IV Oc) 11 od) Question 8 (2 points) Predict the product(s) for the following reaction: NH, 14H NH $ NH2 Oa) I and II ob) I, II and III Oc) III and I od) II and III
Question 27 А. consists of a sugar, an organic base, and phosphate(s). purine nucleoside O nucleotide...
Question 27 А. consists of a sugar, an organic base, and phosphate(s). purine nucleoside O nucleotide base-pair Question 28 The variable portion of DNA is the sequence of what? O ribose O deoxyribose ООО Ophophate nitrogen bases
Question 2 Which of the following is the weakest base? NH, CH,NH HN- H N- -...
Question 2 Which of the following is the weakest base? NH, CH,NH HN- H N- - - 0 = 0 = 0 2 0 Question 3 How is N- classified? A a quarternary ammonium ion B a quarternary amine oc a secondary amine OD. a primary amine O E a tertiary amine Question 4 What would be the final organic product of the following reaction? NaCN CH.CH,CI - organic 1) excess LiAlH product 2) H0 . C6H5CH2CH2C02H OB C6H5CH2CH2NH2 CH,CH,CHCN...
Question 6: 10 pts 5 pts (A) Draw the structure of: 1. Deoxyadenylic acid 2. Uridine...
Question 6: 10 pts 5 pts (A) Draw the structure of: 1. Deoxyadenylic acid 2. Uridine (B) Draw the two different dipeptides from L-tyrosine and L-alanine, showing the following in each structure. 1. the stereochemistry of the chiral centers 2. the N terminal 3. the C terminal 4, the peptide bond H3C OH OH NH2 NH2 HO L-alanine L-tyrosine ΝΗ, N pyrimidine purine NH O NH H,C, NH "NH NH NH H H H cytosine ( uracil (U; occurs in...
Question 10 3 pts Match the nucleotide with as either a Purine or a Pyrimidine Cytosine...
Question 10 3 pts Match the nucleotide with as either a Purine or a Pyrimidine Cytosine [Choose Adenosine Choose Thymine [Choose Guanine Choose Uracil [Choose
QUESTION 14 Which of the following mechanisms for the formation of the most stable imine is...
QUESTION 14 Which of the following mechanisms for the formation of the most stable imine is correct? HÆNER HNER А R H-0. R-NH --- PhCH Ph Ph Patch Ph CH, "CH PH CH, NH NH RH R HN-R HN-R HNER HANZA B -CH R-NH2 Ph Ph PH PACH Ph Ph Ph CH CH MY RH HN-R HN-R HNR HON-R c OH HO R-NH2 Ph Ph Ph CH Pt-CH Ph CH, Ph CH NH R R HN-R HN-R MNR HNER D...
Which of the following mechanisms for the formation of the most stable imine is correct? Which...
Which of the following mechanisms for the formation of the most
stable imine is correct?
Which of the following mechanisms for the formation of the most stable imine is correct? HNER HIN=R А OH йон, -cн, Ph (NH R-NH2 Ph Ph CH3 OH -CH3 Ph N-H- RH Ph CH3 Ph TCH NH R CH3 Ph CH3 R H2N-R H2N-R H2NER H2NER B o H- он, R-NH2 -CH3 Ph CH3 Ph CH3 * он -CH3 Ph NH RM H2N-R X CH₃...
Question 17 (4 points) What is the correct structure of histidine at pH 1? The pKa...
Question 17 (4 points) What is the correct structure of histidine at pH 1? The pKa values are 1.8 (carboxylic acid). 9.2 (amine (conjugate acid)), and 6.0 (sidechain, the double bonded N in ring)? OH NH H2 СНС NH С NH H2 CHC 뿔 NH OH H2 NH CH-C NH2 ON 0 NH 42 CH-C NH3
Question 15 (4 points) What is the correct structure of histidine at pH 1? The pKa values are 1.8 (carboxylic acid), 9.2 (amine (conjugate acid)), and 6.0 (sidechain, the double bonded N in ring)? OH OC H2 NH CH NH, NH CH NH o NH CHC NH ON OH С NH H2 CH-C NH2 Question 16 (4 points) Which one is the major product of the following reaction sequence? NH2 1. excess CH31 2. Ag,0,H,O heat M my
48. Use the figure below to answer the following questions. TS.Cyelle nucleotide RNA 0 0 B O-POCHO 0 Н M 31 H NIE 0 HO 1 NH -0 H0 CH Ване ANI OPO H His 119 His 119 он -O-P- CH, 0-11 OPO 0- His 119 a. In the first step of the reaction. His 12 is acting as a and His 119 is acting as a a. General base, general acid b. General acid, general base c. Nucleophile, electrophile...
Question 7 (2 points) A compound with a molecular formula of C10H1202 has the following TH NMR spectrum. Which of the following structures is consistent with this spectrum? OCH CH.CH CH,CH.CH 1 OOH OH CH,CH,CH, CH2CH.CH IV Oa) III Ob) IV Oc) 11 od) Question 8 (2 points) Predict the product(s) for the following reaction: NH, 14H NH $ NH2 Oa) I and II ob) I, II and III Oc) III and I od) II and III
Question 27 А. consists of a sugar, an organic base, and phosphate(s). purine nucleoside O nucleotide base-pair Question 28 The variable portion of DNA is the sequence of what? O ribose O deoxyribose ООО Ophophate nitrogen bases
Question 2 Which of the following is the weakest base? NH, CH,NH HN- H N- - - 0 = 0 = 0 2 0 Question 3 How is N- classified? A a quarternary ammonium ion B a quarternary amine oc a secondary amine OD. a primary amine O E a tertiary amine Question 4 What would be the final organic product of the following reaction? NaCN CH.CH,CI - organic 1) excess LiAlH product 2) H0 . C6H5CH2CH2C02H OB C6H5CH2CH2NH2 CH,CH,CHCN...
Question 6: 10 pts 5 pts (A) Draw the structure of: 1. Deoxyadenylic acid 2. Uridine (B) Draw the two different dipeptides from L-tyrosine and L-alanine, showing the following in each structure. 1. the stereochemistry of the chiral centers 2. the N terminal 3. the C terminal 4, the peptide bond H3C OH OH NH2 NH2 HO L-alanine L-tyrosine ΝΗ, N pyrimidine purine NH O NH H,C, NH "NH NH NH H H H cytosine ( uracil (U; occurs in...
Question 10 3 pts Match the nucleotide with as either a Purine or a Pyrimidine Cytosine [Choose Adenosine Choose Thymine [Choose Guanine Choose Uracil [Choose
QUESTION 14 Which of the following mechanisms for the formation of the most stable imine is correct? HÆNER HNER А R H-0. R-NH --- PhCH Ph Ph Patch Ph CH, "CH PH CH, NH NH RH R HN-R HN-R HNER HANZA B -CH R-NH2 Ph Ph PH PACH Ph Ph Ph CH CH MY RH HN-R HN-R HNR HON-R c OH HO R-NH2 Ph Ph Ph CH Pt-CH Ph CH, Ph CH NH R R HN-R HN-R MNR HNER D...
Which of the following mechanisms for the formation of the most
stable imine is correct?
Which of the following mechanisms for the formation of the most stable imine is correct? HNER HIN=R А OH йон, -cн, Ph (NH R-NH2 Ph Ph CH3 OH -CH3 Ph N-H- RH Ph CH3 Ph TCH NH R CH3 Ph CH3 R H2N-R H2N-R H2NER H2NER B o H- он, R-NH2 -CH3 Ph CH3 Ph CH3 * он -CH3 Ph NH RM H2N-R X CH₃...
Question 17 (4 points) What is the correct structure of histidine at pH 1? The pKa values are 1.8 (carboxylic acid). 9.2 (amine (conjugate acid)), and 6.0 (sidechain, the double bonded N in ring)? OH NH H2 СНС NH С NH H2 CHC 뿔 NH OH H2 NH CH-C NH2 ON 0 NH 42 CH-C NH3
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