Homework Answers
Part C
Part of amino acid which is always acidic
carboxyl functional group
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acidity is ability of loose a H+. The conjugate base formed after the loss of H from -COOH group is stabilized by resonance and thus H from carboxyl is most acidic.
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which part of amino acid is always acidic?
Which part of an amino acid is always...
Titrate an amino acid that isn’t acidic or basic and also doesn’t have a titratable group...
Titrate an amino acid that isn’t acidic or basic and also doesn’t have a titratable group on its R that will be ionized starting from ph 1-14 with the ionization of the side groups. When will they lose their protons, what are the weak acid of the carboxyl and discuss the titration of the carboxyl and amino groups. Illistrate the two charged groups on the amino acid at neutral, acidic and basic pH. whats the pH of charged groups when...
SHOW WORK 1. Why is an amino acid called an amino acid? Use the following structure...
SHOW WORK 1. Why is an amino acid called an amino acid? Use the following structure for questions 3-6. The circle contains the side chain of the amino acid Lysine (Lys). I 2 Is the side chain polar or nonpolar? 3. Is the side chain hydrophilic or hydrophobic? 4. Is the side chain acidic; basic, or neutral? 5. What is the name of the functional group in the side chain? 6 What is the strongest attractive force for the side...
5. Amino acid titration. The graph below shows a titration of an amino acid with NaOH....
5. Amino acid titration. The graph below shows a titration of an amino acid with NaOH. This experiment reveals several important features of this amino acid. A) What is the identity of the amino acid? [Write its full name.] B) Match the following points in the titration curve. [In the space beside each description (left), write a number (1-6) corresponding to a specific pH (right).] The amino acid is fully protonated. 1) pH=0.0 PH The amino acid is fully deprotonated....
Amino Acid Examples The following amino acid is leucine. Which of the following best describes the...
Amino Acid Examples The following amino acid is leucine. Which of the following best describes the properties its side chain has as part of a protein? side A) Acidic chain B) Basic C) Hydrophobic H2N D) Hydrophilic E) Special role LOH
Amino Acid Examples The following amino acid is aspartic acid. Which of the following best describes...
Amino Acid Examples The following amino acid is aspartic acid. Which of the following best describes the properties its side chain has as part of a protein? A) Acidic он B) Basic C) Hydrophobic D) Hydrophilic H2N E) Special role ОН
Amino Acid Examples The following amino acid is serine. Which of the following best describes the...
Amino Acid Examples The following amino acid is serine. Which of the following best describes the properties its side chain has as part of a protein? HO A) Acidic B) Basic C) Hydrophobic D) Hydrophilic E) Special role он H2N
Amino Acid Examples The following amino acid is proline. Which of the following best describes the...
Amino Acid Examples The following amino acid is proline. Which of the following best describes the properties its side chain has as part of a protein? ОН A) Acidic B) Basic C) Hydrophobic D) Hydrophilic E) Special role ZI only AA that is a 2º amine
At a pH of 4: Amino acid 1 OH Amino acid 2 NH OH HN NH,...
At a pH of 4: Amino acid 1 OH Amino acid 2 NH OH HN NH, OH pka Amino Amino Acid 1 Acid 2 9.82 9.18 Amino terminus Carboxy terminus 2.1 1.77 Side chain 3.86 6.1 O (Answer B) the R group (side chain) on amino acid 1 will be deprotonated A and B (Answer A) the amino terminus on amino acid OH HN OH pka Amino Acid 1 Amino Acid 2 Amino terminus 9.82 9.18 Carboxy terminus 2.1 1.77...
Amino Acid Examples The following amino acid is lysine. Which of the following best describes the properties its si...
Amino Acid Examples The following amino acid is lysine. Which of the following best describes the properties its side chain has as part of a protein? NH2 A) Acidic B) Basic C) Hydrophobic D) Hydrophilic E) Special role ОН H2N
Identify the structural components of an amino acid and understand the chemical diversity of amino acids...
Identify the structural components of an amino acid and understand the chemical diversity of amino acids Question Coo- Anch H₂N-CH2 H2C CH Proline Proline's structure has a unique feature not found in other amino acids. What is it? Select the correct answer below: O Proline is chiral. O The amino group is part of the side chain. O Proline is positively charged. O Proline is achiral. P FEEDBACK MORE INSTRUCTION SUBMIT Content attribution Understand protonation and deprotonation of carboxyl and...
SHOW WORK 1. Why is an amino acid called an amino acid? Use the following structure for questions 3-6. The circle contains the side chain of the amino acid Lysine (Lys). I 2 Is the side chain polar or nonpolar? 3. Is the side chain hydrophilic or hydrophobic? 4. Is the side chain acidic; basic, or neutral? 5. What is the name of the functional group in the side chain? 6 What is the strongest attractive force for the side...
5. Amino acid titration. The graph below shows a titration of an amino acid with NaOH. This experiment reveals several important features of this amino acid. A) What is the identity of the amino acid? [Write its full name.] B) Match the following points in the titration curve. [In the space beside each description (left), write a number (1-6) corresponding to a specific pH (right).] The amino acid is fully protonated. 1) pH=0.0 PH The amino acid is fully deprotonated....
Amino Acid Examples The following amino acid is leucine. Which of the following best describes the properties its side chain has as part of a protein? side A) Acidic chain B) Basic C) Hydrophobic H2N D) Hydrophilic E) Special role LOH
Amino Acid Examples The following amino acid is aspartic acid. Which of the following best describes the properties its side chain has as part of a protein? A) Acidic он B) Basic C) Hydrophobic D) Hydrophilic H2N E) Special role ОН
Amino Acid Examples The following amino acid is serine. Which of the following best describes the properties its side chain has as part of a protein? HO A) Acidic B) Basic C) Hydrophobic D) Hydrophilic E) Special role он H2N
Amino Acid Examples The following amino acid is proline. Which of the following best describes the properties its side chain has as part of a protein? ОН A) Acidic B) Basic C) Hydrophobic D) Hydrophilic E) Special role ZI only AA that is a 2º amine
At a pH of 4: Amino acid 1 OH Amino acid 2 NH OH HN NH, OH pka Amino Amino Acid 1 Acid 2 9.82 9.18 Amino terminus Carboxy terminus 2.1 1.77 Side chain 3.86 6.1 O (Answer B) the R group (side chain) on amino acid 1 will be deprotonated A and B (Answer A) the amino terminus on amino acid OH HN OH pka Amino Acid 1 Amino Acid 2 Amino terminus 9.82 9.18 Carboxy terminus 2.1 1.77...
Amino Acid Examples The following amino acid is lysine. Which of the following best describes the properties its side chain has as part of a protein? NH2 A) Acidic B) Basic C) Hydrophobic D) Hydrophilic E) Special role ОН H2N
Identify the structural components of an amino acid and understand the chemical diversity of amino acids Question Coo- Anch H₂N-CH2 H2C CH Proline Proline's structure has a unique feature not found in other amino acids. What is it? Select the correct answer below: O Proline is chiral. O The amino group is part of the side chain. O Proline is positively charged. O Proline is achiral. P FEEDBACK MORE INSTRUCTION SUBMIT Content attribution Understand protonation and deprotonation of carboxyl and...
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