What two amino acids have more than one stereo-chemical center?
What two amino acids have more than one stereo-chemical center?
Homework Answers
ITS ISOLEUCINE.....IT HAS TWO STEREOCENTER
ITS NAME IS THREONINE
THIS ALSO HAS TWO STEREOCENTER
Choose three amino acids, no more than one of each of the following types: a. polar...
Choose three amino acids, no more than one of each of the following types: a. polar side group b. non-polar side group c. acidic side group d. basic side group Draw an unambiguous structure for each of the amino acids you chose, in the full propionate form (at pH=0). That is, all oxygen/sulfur sites should be neutral, and appropriate amino sites should have a+1 charge. For full credit, show all stereochemistry properly. a. b. c. CIRCLE the side groups for...
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...
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...
1. Amino acids are often broken down into two groups, essential and nonessential. Essential amino acids...
1. Amino acids are often broken down into two groups, essential and nonessential. Essential amino acids must be eaten in order to survive as we don’t make them. This is why intaking a certain amount of protein is so important to the body. In one of the greatest scientific finds of the 21st century, amino acids were discovered inside meteorites that had impacted the earth. Interestly, the amino acids contained different side chains and configurations than those found on earth....
Draw a peptide of two or more different amino acids. Circle the R group of each...
Draw a peptide of two or more different amino acids. Circle the R group of each amino acid. Put a box around each peptide bond. Identify each amino acid with the one-letter code.
Human Serum Albumin contains 585 amino acids, more than 50 of which are Lysine. If the pl of HSA is about 4.5, what...
Human Serum Albumin contains 585 amino acids, more than 50 of which are Lysine. If the pl of HSA is about 4.5, what do we know about the content of Asp and Glu? >50 O <50 O -50 O none of the above
Human Serum Albumin contains 585 amino acids, more than 50 of which are Lysine. If the pl of HSA is about 4.5, what do we know about the content of Asp and Glu? >50 O
d Give an example of two amino acids that could form a salt bridge (chemical structure...
d Give an example of two amino acids that could form a salt bridge (chemical structure or 3 letter code)
Question 1 (0.5 points) Saved Proteins are formed by joining together. carboxylic acids fatty acids amino...
Question 1 (0.5 points) Saved Proteins are formed by joining together. carboxylic acids fatty acids amino acids none of the above Question 2 (0.5 points) Which two functional groups does an amino acid contain? amine and carboxylic acid carboxylic acid and amide amide and heterocyclic ring heterocyclic ring and amine Question 3 (0.5 points) Do amino acids commonly exist in nature as neutral molecules with all uncharged atoms? Yes No Question 1 (0.5 points) What is a protein? A polymer...
Protein Structure A protein contains a string of amino acids (usually more than 50) that has...
Protein Structure A protein contains a string of amino acids (usually more than 50) that has a biological function. 15ecause proteins are so large, their structure has several levels, all of which are important for the proper functioning of the protein. Ultimately, the sequence of amino acids (ordering of polar and nonpolar amino acids) dictates the 3-dimensional shape of a protein and this dictates its primary function. Level 1: Primary (1") The amino acid sequence of a polypeptide Protein Backbone...
“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.
Choose three amino acids, no more than one of each of the following types: a. polar side group b. non-polar side group c. acidic side group d. basic side group Draw an unambiguous structure for each of the amino acids you chose, in the full propionate form (at pH=0). That is, all oxygen/sulfur sites should be neutral, and appropriate amino sites should have a+1 charge. For full credit, show all stereochemistry properly. a. b. c. CIRCLE the side groups for...
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...
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...
Human Serum Albumin contains 585 amino acids, more than 50 of which are Lysine. If the pl of HSA is about 4.5, what do we know about the content of Asp and Glu? >50 O <50 O -50 O none of the above
Human Serum Albumin contains 585 amino acids, more than 50 of which are Lysine. If the pl of HSA is about 4.5, what do we know about the content of Asp and Glu? >50 O
d Give an example of two amino acids that could form a salt bridge (chemical structure or 3 letter code)
Question 1 (0.5 points) Saved Proteins are formed by joining together. carboxylic acids fatty acids amino acids none of the above Question 2 (0.5 points) Which two functional groups does an amino acid contain? amine and carboxylic acid carboxylic acid and amide amide and heterocyclic ring heterocyclic ring and amine Question 3 (0.5 points) Do amino acids commonly exist in nature as neutral molecules with all uncharged atoms? Yes No Question 1 (0.5 points) What is a protein? A polymer...
Protein Structure A protein contains a string of amino acids (usually more than 50) that has a biological function. 15ecause proteins are so large, their structure has several levels, all of which are important for the proper functioning of the protein. Ultimately, the sequence of amino acids (ordering of polar and nonpolar amino acids) dictates the 3-dimensional shape of a protein and this dictates its primary function. Level 1: Primary (1") The amino acid sequence of a polypeptide Protein Backbone...
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