Homework Answers
Amino acids are grouped on the basis of side chains.
a. Amino acids have side chains that are polar- tyrosine comes under polar amino acids. They are found on the surface of protein .
b. leucine amino acid have hydrophobic side chain. These side chains are made up of carbon & hydrogen , have very small dipole moments & tend to be repelled from water. They are found in the interior of a protein.
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Problem 3 Side Chains in Tertiary Structure Predict whether each of the following amino acid side...
Identify the preferred orientation of amino acid side chains in the tertiary structure of a protein...
Identify the preferred orientation of amino acid side chains in the tertiary structure of a protein in an aqueous environment. A. The hydrophobic side chains will prefer to be on the interior where they can interact with water molecules in the aqueous environment. B. The hydrophilic side chains will prefer to be on the exterior where they can interact with water molecules in the aqueous environment. C. The hydrophilic side chains will prefer to be on the interior where they...
please answer! 3) Protein structure and amino acid side chains a) Give examples of the types...
please answer!
3) Protein structure and amino acid side chains a) Give examples of the types if attractive forces found between the side chains of the following amino acid residue pairs at pH 7.4 00 Leu and Phe (ii) Two Cys (ii) Asp and Thr (iv) Asp and Arg b) Of the 4 levels of protein structure, which ones are stabilized by interactions between amino acid side chains? c) Identify the two regular types of secondary structures and describe the...
which of the following is not a way in which amino acid structure in sequence might...
which of the following is not a way in which amino acid structure in sequence might affect the properties of a protein a) Amino acid side chains form peptide bonds with each other causing the molecule to twist into a secondary structure b) Amino side chains interact with each other causing polypeptides to bend into a tertiary structure c) Hydrogen bonding between every fourth amino acid results in the formation of a coil called an a helix d) Hydrogen bonding...
Consider a protein with the acidic side chains, Amino Acid side-chain Arginine pKa = 12.48 Aspartic...
Consider a protein with the acidic side chains, Amino Acid side-chain Arginine pKa = 12.48 Aspartic Acid PKa = 3.90 Cysteine pKa = 8.33 Glutamic acid pKa = 4.07 Histidine pKa = 6.04 Lysine pKa =10.79 Tyrosine pKa =10.13 Given that the pH of blood is about 7.3, how many of the above side chains would be mostly in their ionic form (A-) in blood? 2 3 4 5
Describe the four categories of amino acid side chains. What types of interactions are the members...
Describe the four categories of amino acid side chains. What types of interactions are the members of each of these categories likely to make? Now describe and explain the four levels of protein structure, giving a specific example of each an how amino acids are involved.
1. Amino acids are considered to be either hydrophobic or hydrophilic as described by the relative...
1. Amino acids are considered to be either hydrophobic or hydrophilic as described by the relative polarity of their side chain. Consider a folded protein in an aqueous environment; where would the hydrophobic amino acids likely be found? -Tucked away in the middle of the folded protein -Randomly distributed throughout the protein -Exposed on the exterior surface of the folded protein 2. All proteins exhibit a primary, secondary, and tertiary structure, but not all proteins exhibit a quaternary structure. Describe...
You may want to reference (Page) Section 10.3 while completing this problem. Determine whether each of...
You may want to reference (Page) Section 10.3 while completing this problem. Determine whether each of the following statements describes the primary, secondary tertiary, or quaternary structure of a protein. Part A Side chains interact to form disulfide bonds Check all that apply. primary protein structure secondary protein structure tertiary protein structure quaternary protein structure Submit Previous Answers Request Answer What type of interaction would you expect between the side chains of each of the following pairs of amino acids...
9) What type of attraction would you expect between the R groups of each of the following amino acids in a tertiary str...
9) What type of attraction would you expect between the R groups of each of the following amino acids in a tertiary structure of a protein? (see Table 16.2) a) proline and phenylalanine b) Aspartate and arginine c) Tyrosine and water d) Cysteine and cysteine e) Serine and tyrosine f) Leucine and alanine 2
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Question 3 (1 point) An amino acid's side chain (R-group) is capable of which of the...
Question 3 (1 point) An amino acid's side chain (R-group) is capable of which of the following? The charge of the R-group can affect primary structure of the folded protein The charge of the R-group can affect tertiary structure of the folded protein The R-group can provide a catalytic site in the folded proteirn A and B only B and C only Save
6) Proteins are composed of amino acids polymerized into long chains. The structure of a protein...
6) Proteins are composed of amino acids polymerized into long chains. The structure of a protein - that is, its overall shape and how the chains are "folded” around each other - is very important for its function. In an aqueous environment, in an active, folded state the hydrophilic amino acids in the protein are facing outwards exposed to the water and the hydrophobic amino acids are hidden away from the water in the core of the protein. In a...
please answer!
3) Protein structure and amino acid side chains a) Give examples of the types if attractive forces found between the side chains of the following amino acid residue pairs at pH 7.4 00 Leu and Phe (ii) Two Cys (ii) Asp and Thr (iv) Asp and Arg b) Of the 4 levels of protein structure, which ones are stabilized by interactions between amino acid side chains? c) Identify the two regular types of secondary structures and describe the...
You may want to reference (Page) Section 10.3 while completing this problem. Determine whether each of the following statements describes the primary, secondary tertiary, or quaternary structure of a protein. Part A Side chains interact to form disulfide bonds Check all that apply. primary protein structure secondary protein structure tertiary protein structure quaternary protein structure Submit Previous Answers Request Answer What type of interaction would you expect between the side chains of each of the following pairs of amino acids...
9) What type of attraction would you expect between the R groups of each of the following amino acids in a tertiary structure of a protein? (see Table 16.2) a) proline and phenylalanine b) Aspartate and arginine c) Tyrosine and water d) Cysteine and cysteine e) Serine and tyrosine f) Leucine and alanine 2
9) What type of attraction would you expect between the R groups of each of the following amino acids in a tertiary structure of a protein?...
Question 3 (1 point) An amino acid's side chain (R-group) is capable of which of the following? The charge of the R-group can affect primary structure of the folded protein The charge of the R-group can affect tertiary structure of the folded protein The R-group can provide a catalytic site in the folded proteirn A and B only B and C only Save
6) Proteins are composed of amino acids polymerized into long chains. The structure of a protein - that is, its overall shape and how the chains are "folded” around each other - is very important for its function. In an aqueous environment, in an active, folded state the hydrophilic amino acids in the protein are facing outwards exposed to the water and the hydrophobic amino acids are hidden away from the water in the core of the protein. In a...
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