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Question 20 The structural formula of amino acids are the same except for the: O side...
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- HIN— -H CH2 COO- Aspartate In the amino acid aspartate, the highlighted CH2 - COO portion represents Select the correct answer below: O the amino group common to all amino acids O the carboxyl group common to all amino acids O the side chain that is unique to aspartate O the portion common to all amino acids a FEEDBACK P FEEDBACK MORE...
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...
Question 2 1 pts Amino acids are classified by their Rgroup (side chain) carboxylic acid group...
Question 2 1 pts Amino acids are classified by their Rgroup (side chain) carboxylic acid group peptide bond alpha carbon amine group
1. There are a total of amino acids are called natural amino acids that are found...
1. There are a total of amino acids are called natural amino acids that are found in proteins. These according to the older Greek letter nomenclature system for designating carboxylic acid structures. 2. True/ False The alpha carbon is the carbonyl carbon of the carboxylic acid functional group of the amino acid. 3. Which of the following are functional groups in an amino acid? (choose all that apply) a. amine b. amide c. carbonyl d. carboxylic acid e. alcohol f....
Understand protonation and deprotonation of carboxyl and amino groups in amino acids Question Which of the following st...
Understand protonation and deprotonation of carboxyl and amino groups in amino acids Question Which of the following statements are NOT true regarding the ionization of nonacidic and nonbasic amino acids? Select all that apply: O The amino and carboxyl groups are both ionized at the isoelectric point. U The amino group will be ionized when the pH is above the isoelectric point. The carboxyl group will be ionized when the pH is below the isoelectric point. The amino group will...
Understand alpha helices and beta pleated sheets Question How is it possible for the a-helix to have amino acids with b...
Understand alpha helices and beta pleated sheets Question How is it possible for the a-helix to have amino acids with bulky side chains while the B-pleated sheets cannot? Select the correct answer below: O The R groups in the a-helix stabilize the structure, while they interfere with the hydrogen bonds in a B-pleated sheet. The R groups are contained inside the a-helix structure, while they interfere with the hydrogen bonds in a B- pleated sheet. O The R groups lie...
D Question 47 Identify this biomolecule O fatty acid O trighyceride O steroid O Nucleoside O...
D Question 47 Identify this biomolecule O fatty acid O trighyceride O steroid O Nucleoside O Nucleotide O Carbohydrate O Amino acid D Question 48 An alpha amino acid contains O an amino group on the carbon next to the carboxylate group O two amino groups O two carboxyl groups an amino group on the end carbon
“Amino acids used in making a polypeptide have an amino group and carboxyl group, and these...
“Amino acids used in making a polypeptide have an amino group and carboxyl group, and these groups can be present on any carbon atoms.” Is that a correct statement? Why so? What is the basis for classification of amino acids to non-polar (but not aromatic), polar, and two oppositely charged (at physiological pH) amino acids? Provide examples with their exact name, three letter and single letter codes.
60) Lipids are composed of: c) fatty acids and glycerol amino acids and glycerol nucleic acids...
60) Lipids are composed of: c) fatty acids and glycerol amino acids and glycerol nucleic acids and glycerol fatty acids and water fatty acids and sugar e) 61) The bond between two amino acids is a: a) hydrogen bond b) covalent bond c) peptide bond d) b and c e) none of the above 62) Hemoglobin has which tertiary structure: a) fibrous b) globular c) four subunits--two alpha chains, two beta chains d) alpha helix e) none of the above...
1 Proteins are long chains of amino acids. There are 4 parts to each amino acid. Which part is responsible for st...
1 Proteins are long chains of amino acids. There are 4 parts to each amino acid. Which part is responsible for structural variation in proteins? The side chain The carboxylic acid group The amino group The alpha carbon 2. Why is it important to examine the shapes of complex biological molecules and drugs? All of the choices given So scientists can explain biochemical reactions So scientists can design medications So scientists can determine how molecules fit together 3. Determine the...
Identify the structural components of an amino acid and understand the chemical diversity of amino acids Question COO- HIN— -H CH2 COO- Aspartate In the amino acid aspartate, the highlighted CH2 - COO portion represents Select the correct answer below: O the amino group common to all amino acids O the carboxyl group common to all amino acids O the side chain that is unique to aspartate O the portion common to all amino acids a FEEDBACK P FEEDBACK MORE...
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...
Question 2 1 pts Amino acids are classified by their Rgroup (side chain) carboxylic acid group peptide bond alpha carbon amine group
1. There are a total of amino acids are called natural amino acids that are found in proteins. These according to the older Greek letter nomenclature system for designating carboxylic acid structures. 2. True/ False The alpha carbon is the carbonyl carbon of the carboxylic acid functional group of the amino acid. 3. Which of the following are functional groups in an amino acid? (choose all that apply) a. amine b. amide c. carbonyl d. carboxylic acid e. alcohol f....
Understand protonation and deprotonation of carboxyl and amino groups in amino acids Question Which of the following statements are NOT true regarding the ionization of nonacidic and nonbasic amino acids? Select all that apply: O The amino and carboxyl groups are both ionized at the isoelectric point. U The amino group will be ionized when the pH is above the isoelectric point. The carboxyl group will be ionized when the pH is below the isoelectric point. The amino group will...
Understand alpha helices and beta pleated sheets Question How is it possible for the a-helix to have amino acids with bulky side chains while the B-pleated sheets cannot? Select the correct answer below: O The R groups in the a-helix stabilize the structure, while they interfere with the hydrogen bonds in a B-pleated sheet. The R groups are contained inside the a-helix structure, while they interfere with the hydrogen bonds in a B- pleated sheet. O The R groups lie...
D Question 47 Identify this biomolecule O fatty acid O trighyceride O steroid O Nucleoside O Nucleotide O Carbohydrate O Amino acid D Question 48 An alpha amino acid contains O an amino group on the carbon next to the carboxylate group O two amino groups O two carboxyl groups an amino group on the end carbon
60) Lipids are composed of: c) fatty acids and glycerol amino acids and glycerol nucleic acids and glycerol fatty acids and water fatty acids and sugar e) 61) The bond between two amino acids is a: a) hydrogen bond b) covalent bond c) peptide bond d) b and c e) none of the above 62) Hemoglobin has which tertiary structure: a) fibrous b) globular c) four subunits--two alpha chains, two beta chains d) alpha helix e) none of the above...
1 Proteins are long chains of amino acids. There are 4 parts to each amino acid. Which part is responsible for structural variation in proteins? The side chain The carboxylic acid group The amino group The alpha carbon 2. Why is it important to examine the shapes of complex biological molecules and drugs? All of the choices given So scientists can explain biochemical reactions So scientists can design medications So scientists can determine how molecules fit together 3. Determine the...
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