Homework Answers
AS ph is less than PI so protonation will occur. As more H+ specis is present. Hence the biomolecule will have net positive charge. So last option is correct.
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What is the structural formula of glutamic acid (pl = 3.2) at pH = 1? O...
Amino Acids SW C2 9. Which of the following is an L-amino acid? çoo coo coo...
Amino Acids SW C2 9. Which of the following is an L-amino acid? çoo coo coo HẠN |-R HANH, HẠN –H HÀNH R coo B. 10. The following questions refer to the structures A-E below: (a) Which represents the structure of an amino acid at very high pH? (b) Which is a zwitterion? (c) Which represents the structure of an amino acid at very low pH? (d) Which structure/(s) is/are) not possible? R-CH-COOR-CH-COOH R-CH-COOH R-CH-COOR -CH-COO NH2 NH2 *NH NH2...
Glutamic acid (shown below) has a pi of 3.2. What is the structure of glutamic acid...
Glutamic acid (shown below) has a pi of 3.2. What is the structure of glutamic acid at pH = 10? H3N H3N 02H H2CO2 CO2H لم CO2H HaN H2N Hanco 0H coo H₂N
m ical reactions 8) Which of the following represents an amino acid in a basic solution...
m ical reactions 8) Which of the following represents an amino acid in a basic solution (pH-11)? A) R-CH-COOR -CH-COOH ENH2 R--CH-COOH R-CH-coo C) NH3 D) 3NH3 9) Which of the following is a zwitterion? B) NH2 R-CH-Coo E) NH2 A) R-CH-COO R-ch-cool R-ca-cooH R-ch-coo H2B) NH2C) NH3 D) NH3 R-ca-coo E) NH2 10) Which of the following amino acids has the lowest isoelectric point? A) glutamic acid B) lysine C) valine D) glycine E) methionine 11) Calculate the isoelectric...
galotd broingo JansOrganic Compounds: Alkanes 2 Questions and Problems QS Draw the condensed structural formula for...
galotd broingo JansOrganic Compounds: Alkanes 2 Questions and Problems QS Draw the condensed structural formula for each of the following: a. 1,4-dichlorocyclohexane .b b. 2,3-dimethylpentane CHCH Write the correct name of the following alkanes: Q6 a. CH3-CH2-CH3 CH3 b. CH3-CH2- CH-CH-CH3. CH3 CH3 CH3 I CH- CH CH3 с. CH3 C. Functional Groups Classification Compound Classification Compound CH3-NH2 CH3-OH о CH3 C-O-H CH, -с — NH> CH, —о-CH, Н,С— Cн, O CH- С-Н CHy CН3 -C Classify each of the...
#1) For the following pentapeptide (Where pH =1): a) What would the net charge be for...
#1) For the following pentapeptide (Where pH =1):
a) What would the net charge be for the following pH?
pH 0 =
pH 3 =
pH 5 =
pH 7 =
pH 10 =
pH 13 =
b) Calculate the pl of the pentapeptide. (Cysteine: pK1 = 1.96,
pK2 = 10.128) ( Glutamine: pK1 = 2.17 , pK2 = 9.13) (Arginine: pK1
= 2.17. pK2 = 9.04) (Leucine: pK1 = 2.36 , pK2 = 9.60)
c) If you were to...
1. 2. 3. w a structural formula for the major ionie form of the amino acid...
1.
2.
3.
w a structural formula for the major ionie form of the amino acid shown below when in aqueous solution at pH 1.5 H2NCCH2CHCOH NH3 asparagine . You do not have to consider stereochemistry . You do not have to explicitly draw H atoms. . Do not include lone pairs in your answer. They will not be considered in the grading. Draw a structural formula for the major ionic form of the amino acid shown below when in...
How is this molecule classified? НО НО ОН ОН ОН O prostaglandin fatty acid Osphingosine steroid...
How is this molecule classified? НО НО ОН ОН ОН O prostaglandin fatty acid Osphingosine steroid glycerophospholipid The hydrolysis of an unknown lipid produces one glycerol molecule, two stearic acid molecules, choline, and an (unspecified) anion. What kind of lipid was the unknown? O a wax O a triacylglycerol O a glycerophospholipid O a fatty acid O a sphingomyelin What is the correct number for the ketone functional group in this structure? CH, NH, НО CH, | / NH7 Н-...
Homework Problems Give the name for each of the following: 9.1 COOH a. ОН CHy с....
Homework Problems Give the name for each of the following: 9.1 COOH a. ОН CHy с. CH,-сн-сн,-соон d. (CH,CH2),CCOOH Draw the structural formula for each of the following compounds: 9.2 a. sodium hexanoate b. potassium acetate c. zinc benzoate d. calcium propanoate 9.3 Complete the following reactions: HP CH3 -C-OH CH CH,CH,OH а. + b. (CH),CCH,CH,соон + (СH),СНОН [H COOH с. + CH,CH2OH d. CH,(CH),COOH HP Но- Draw a structural formula for each of the following esters: a. cyclohexyl propanoate...
5. What is the pl of the following amino acid? a) 1.2 b) 3.2 c) 5.5...
5. What is the pl of the following amino acid? a) 1.2 b) 3.2 c) 5.5 d) 6.2 e) 7.0 NH2 pKal 2.4pKa2-10.0 pKa3-4.0 R group α-NH
help with 1 & 2 please 1. Draw the condensed structural formula for the triacylglycerol containing...
help with 1 & 2 please
1. Draw the condensed structural formula for the triacylglycerol containing three molecules of palmitic acid (16.0). (5 pts) 2. Consider the condensed structural formula for linolenic acid shown below. (10 pts) CH, CH2CH- CH3-CHT-CH2-=CH-CH-COOH a) Why is this molecule an acid? b) How many total carbon atoms are in linolenic acid? c) Is linolenic acid a saturated, monounsaturated, or polyunsaturated fatty acid? d) Is linolenic acid likely to be a solid or liquid at...
Amino Acids SW C2 9. Which of the following is an L-amino acid? çoo coo coo HẠN |-R HANH, HẠN –H HÀNH R coo B. 10. The following questions refer to the structures A-E below: (a) Which represents the structure of an amino acid at very high pH? (b) Which is a zwitterion? (c) Which represents the structure of an amino acid at very low pH? (d) Which structure/(s) is/are) not possible? R-CH-COOR-CH-COOH R-CH-COOH R-CH-COOR -CH-COO NH2 NH2 *NH NH2...
Glutamic acid (shown below) has a pi of 3.2. What is the structure of glutamic acid at pH = 10? H3N H3N 02H H2CO2 CO2H لم CO2H HaN H2N Hanco 0H coo H₂N
m ical reactions 8) Which of the following represents an amino acid in a basic solution (pH-11)? A) R-CH-COOR -CH-COOH ENH2 R--CH-COOH R-CH-coo C) NH3 D) 3NH3 9) Which of the following is a zwitterion? B) NH2 R-CH-Coo E) NH2 A) R-CH-COO R-ch-cool R-ca-cooH R-ch-coo H2B) NH2C) NH3 D) NH3 R-ca-coo E) NH2 10) Which of the following amino acids has the lowest isoelectric point? A) glutamic acid B) lysine C) valine D) glycine E) methionine 11) Calculate the isoelectric...
galotd broingo JansOrganic Compounds: Alkanes 2 Questions and Problems QS Draw the condensed structural formula for each of the following: a. 1,4-dichlorocyclohexane .b b. 2,3-dimethylpentane CHCH Write the correct name of the following alkanes: Q6 a. CH3-CH2-CH3 CH3 b. CH3-CH2- CH-CH-CH3. CH3 CH3 CH3 I CH- CH CH3 с. CH3 C. Functional Groups Classification Compound Classification Compound CH3-NH2 CH3-OH о CH3 C-O-H CH, -с — NH> CH, —о-CH, Н,С— Cн, O CH- С-Н CHy CН3 -C Classify each of the...
#1) For the following pentapeptide (Where pH =1):
a) What would the net charge be for the following pH?
pH 0 =
pH 3 =
pH 5 =
pH 7 =
pH 10 =
pH 13 =
b) Calculate the pl of the pentapeptide. (Cysteine: pK1 = 1.96,
pK2 = 10.128) ( Glutamine: pK1 = 2.17 , pK2 = 9.13) (Arginine: pK1
= 2.17. pK2 = 9.04) (Leucine: pK1 = 2.36 , pK2 = 9.60)
c) If you were to...
1.
2.
3.
w a structural formula for the major ionie form of the amino acid shown below when in aqueous solution at pH 1.5 H2NCCH2CHCOH NH3 asparagine . You do not have to consider stereochemistry . You do not have to explicitly draw H atoms. . Do not include lone pairs in your answer. They will not be considered in the grading. Draw a structural formula for the major ionic form of the amino acid shown below when in...
How is this molecule classified? НО НО ОН ОН ОН O prostaglandin fatty acid Osphingosine steroid glycerophospholipid The hydrolysis of an unknown lipid produces one glycerol molecule, two stearic acid molecules, choline, and an (unspecified) anion. What kind of lipid was the unknown? O a wax O a triacylglycerol O a glycerophospholipid O a fatty acid O a sphingomyelin What is the correct number for the ketone functional group in this structure? CH, NH, НО CH, | / NH7 Н-...
Homework Problems Give the name for each of the following: 9.1 COOH a. ОН CHy с. CH,-сн-сн,-соон d. (CH,CH2),CCOOH Draw the structural formula for each of the following compounds: 9.2 a. sodium hexanoate b. potassium acetate c. zinc benzoate d. calcium propanoate 9.3 Complete the following reactions: HP CH3 -C-OH CH CH,CH,OH а. + b. (CH),CCH,CH,соон + (СH),СНОН [H COOH с. + CH,CH2OH d. CH,(CH),COOH HP Но- Draw a structural formula for each of the following esters: a. cyclohexyl propanoate...
5. What is the pl of the following amino acid? a) 1.2 b) 3.2 c) 5.5 d) 6.2 e) 7.0 NH2 pKal 2.4pKa2-10.0 pKa3-4.0 R group α-NH
help with 1 & 2 please
1. Draw the condensed structural formula for the triacylglycerol containing three molecules of palmitic acid (16.0). (5 pts) 2. Consider the condensed structural formula for linolenic acid shown below. (10 pts) CH, CH2CH- CH3-CHT-CH2-=CH-CH-COOH a) Why is this molecule an acid? b) How many total carbon atoms are in linolenic acid? c) Is linolenic acid a saturated, monounsaturated, or polyunsaturated fatty acid? d) Is linolenic acid likely to be a solid or liquid at...
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