Q: What is called c-peptide?
A: Proteins are polymers made of polymers of structural units called amino acids. Specific amino acids…
Q: Draw simple peptides from individual amino acids, and label the N- and C-terminal amino acids
A: Amino acids are the simplest building blocks found in proteins. They are linked together by amide or…
Q: What does the amino acid Alanine look like at PH =2 and PH=9?
A: Alanine: Alanine is a non-polar amino acid that belongs to Group I. The R group of these amino…
Q: which amino acid does every protein being with?
A: Protein is a macronutrient that is essential to building the muscle mass. It is commonly found in…
Q: What group is first removed from amino acids and what happens to that group and the carbon backbone?
A: Transamination:It is defined as an exchange of the functional groups present between any amino acid…
Q: Give the exact location of aminon.
A: Amnion is a type of membrane that surrounds the embryo and works as a shock absorbent to protect the…
Q: Is it possible to form cyclic peptides without bonds between side chains of the component amino…
A: A typical amino acid contains an amino group (-NHs), a hydrogen bond, a side chain (R group), and a…
Q: What are the seven precursors of the 20 amino acids?
A: Amino acid synthesis is the metabolic pathway that produces amino acids from the substrates which…
Q: Which amino acids are found less commonly in proteins?
A: Proteins are the polymers of the amino acids which are formed by the joining of carboxly group of…
Q: At what pH will you be able to separate the amino acids val, his and arg?
A: Amino acids are biomolecules with a central carbon bonded to 4 different groups. 3 of these 4 groups…
Q: What are the branched chain amino acids?
A: Amino acids are the polymers of proteins that are composed of the amino group, carboxyl group, and…
Q: Which amino acid sequence is likely to be found on the exterior of a soluble protein?
A: Proteins are polymers of amino acids linked by amide/peptide bonds. Amino acids are consist of amine…
Q: What is hydrophobic?
A: Hydrophobic word literally means the " fear of water " The molecules and surfaces which are…
Q: What is the distinguishing characteristics of a polar basic amino acid?
A: 20 amino acids are present in nature that forms protein. Amino acids contain and amino group and a…
Q: Which amino acids have side chains that are capable of forming isopeptidebonds?
A: The type of peptide bond that forms between the carboxyl group and the amino group of joining amino…
Q: What happens when we titrate an amino acid?
A: Proteins are organic biomolecules that play an important role in various biological cellular…
Q: hat is the 21st amino acid? Explain
A: The amino acid is generally 20 in numbers. These amino acid residues are incorporated into the…
Q: Identify the polar amino acids, the aromatic amino acids,and the sulfur-containing amino acids,…
A: The amino acids are the organic acids that contain alpha carboxyl group, alpha amino group, hydrogen…
Q: In general, is the pI of an amino acid equal to the physiological pH? Is this a good thing or a bad…
A: In the statistical mean, the isoelectric point (pI) is the pH at which a molecule bears no net…
Q: How do d-amino acids differ from lamino acids? What biological roles are played by peptides that…
A: An amino acid is an organic molecule that is made up of a basic amino group (-NH2), an acidic…
Q: Which amino acid is classified as neutral and non-polar?
A: Amino acids when joined together by a peptide bond synthesizes the protein molecules. Amino acids…
Q: Do the amine and the carboxyl groups attached to central carbons participate in the union between…
A: Amino acids are bonded together to form the long chains of polypeptides.
Q: How many different dipeptides can be synthesized from 20 amino acids?
A: Amino acids are organic molecules that combine together to form proteins. Thus, amino acids are…
Q: What do you name the binding between two amino acids?
A: An organic molecule comprised of a carboxyl and an amino group is known as amino acids. When amino…
Q: What are the Branch Chain Amino Acids?
A: Amino acids are organic compounds that combine to form protein. The structure of amino acids contain…
Q: Is this an L or a D amino acid? Explain.
A: Amino acids are the building blocks of proteins which are composed of amino group (NH3+), carboxyl…
Q: What is amino-acid?
A: Biomolecules can be outlined as the molecules that are present within the body of living organisms…
Q: Why is a string of bound amino acids called a polypeptide?
A: Greek sources give the term protein, meaning first or primary. The most numerous and varied…
Q: For the amino acids listed below, what tertiary/quaternary interaction can each of the amino acids…
A: Tertiary structure is the three dimensional conformation of a protein. Proteins with more than one…
Q: What are the backbone functional groups for amino acids?
A: Amino acids are organic compounds having a group of organic molecules that consist of a basic amino…
Q: Which amino acids have carboxyl groups in their side chains?
A: Amino acids are the building blocks of proteins. where each amino acid is composed of the…
Q: How do D-amino acids differ from L-amino acids and what are the biological roles that are played by…
A: Amino acids are monomers of protein they are linked with each other by forming peptide…
Q: What is an amino acid family?
A: The amino acid family involves similar chemical properties and intermediate compounds that are…
Q: How does the hydrophobic effect drive the formation of globular proteins?
A: Globular proteins are spherical in shape and are the most abundant proteins. All the globular…
Q: Identify the 20 amino acids and their corresponding three-letter and one-letter abbreviations
A: Amino acids are the building units of proteins. Each amino acid has a central carbon atom which is…
Q: Whats the difference between sickle amino acid and normal amino acid?
A: In case of Sickle Cell Anemia,RBC appears in sickle shape.This is becasuse of point mutation in the…
Q: What is the Quarternary structure of leptin
A: Leptin is a protein hormone released from the adipose fat tissues. This hormone is secreted in…
Q: Which amino acids have nonpolar side chains?
A: Non-polar side chains : It consist mainly of hydrocarbon. Any functional groups they contain are…
Q: What is the binding between two amino acids called?
A: Protein is a polymer formed from amino acid joined by peptide bond. It is abundantly found in the…
Q: What are Globular proteins ?
A: Proteins are macromolecules that are present in each living organism. Proteins carry out a vast…
Q: How many are the known amino acids that form proteins in living beings?
A: Biomolecules are organic compounds found in living organisms. All living organism will have these…
Q: Does amino acid sequence or amino acid composition have more of an impacts the protien structure?
A: Amino acids are compounds containing carbon, hydrogen, oxygen and nitrogen. They serve as monomers…
Q: What is the pI, and how is it determined for amino acids that have noninionizable R groups?
A: pI is the isoelectric point at which no net charge on a protein molecule,i.e, the charge is zero.
Q: How is the sequence of amino acids specified?
A: Proteins or peptides are made up of 20 different amino acids which are arranged to form a myriad…
Q: How Is the Amino Acid Analysis of ProteinsPerformed?
A: Amino acids are biomolecules that are joined together to form proteins. Amino acids can be either…
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- Shown below are three amino acids: ČH, ÓH Tyrosine Tyr Y Phenylalanine Phe F Alanine Ala A 1. Which amino acid is the least hydrophobic? 2. Which amino acid is most hydrophobic? 3. Which amino acid is intermediate? 4. Explain why (2) is more hydrophobic than (3). 5. Explain why (3) is more hydrophobic than (1).A polypeptide is shown below. Please answer the following questions. OH В A H;N E a. Match the letter labels to the appropriate components of a polypeptide. carbonyl group [ Select ] amide [ Select ] alpha amino group [ Select ] alpha carboxylic group [ Select ] peptide bond [Select] b. How many peptide bonds are in this polypeptide? [ Select ] V Residues? [ Select ] c. If the second residue were replaced with glutamic acid would the pl increase or decrease? [ Select ] >Which of these amino acids is a hydrophobic amino acid? (Select all that apply, if necessary.) A. B. C. D. E. iº H₂N-CH-C CH₂ T CH₂ CH₂ NH C=NH2 NH₂ amino acid E amino acid D amino acid B amino acid C amino acid A 200 H₂N-CH-C CH₂ C=O I OO H₂N-CH-C- CH₂ CH₂ T C=O T NH₂ 0 H₂N-CH- CH₂ CH-CH3 CH3 H₂N-CH-C CH₂ I OH -0
- Given the following peptide, answer following questions 1-5: CO CH2 O || CH2 O H3N-CH-C-NH- CH-c-OCH3 | 1. Is this a dipeptide or tripeptide? 2. How many amino acid components/residues are there? 3. Name these amino acids. 4. What kind of bond links these amino acids? 5. The above structure represents the major ingredient in some commercial product(s). Identify the name of this major ingredient or the commercial product(s). Given that the hemagglutininin protein in influenza virus contains a remarkably long a-helix with 53 residues, answer questions 6-7. 6. How long is this a-helix (in nm)? Show all calculations. 7. How many turns does this helix have? Show all calculations.Select the choice that best describes the stereochemistry of the following amino acid, and rank the priority of the four groups surrounding the alpha carbon (in DESCENDING order: 1-highest 4-lowest) NH₂ CO₂II CH₂SH Cysteine H D and S, (1-NH2, 2-CH2SH, 3-COOH, 4-H) Land R, (1-NH2, 2-COOH, 3-CH2SH, 4-H) OL and R, (1-NH2, 2-CH2SH, 3-COOH, 4-H) D and S, (1-CH2SH, 2-COQH, 3-NH2, 4-H) HDraw the oligopeptides' structure and provide the corresponding name for each oligopeptide 1. Dipeptide Ala-His 2. Tripeptide Glu-Pro-Cys Note: First residue is the N-terminal amino acid
- 7. Draw and give the full names of the amino acids in the following dipeptides. ČHS HN- OH CH, CH- OH CH2The structure of the dipeptide Gly-Asn is given by . The structures of the amino acids Gly and Asn are given below. NH2 H. ČH2 H3N-C-CO H. H3N-C-CO H. Asn Gly NH2 CH2 H H H2 C COO 2. H3N-C -C H. 1. H&N C C-NH C COO NH, NH2 CH2 H. H2 C C NH2 3. H3N-C C- -C COO 4. 0OC-C NH3" Click Save and Submit to save and submit. Click Save All Ansuwers to save all answers. MacBook Air esc 吕0 DII DD F1 F2 F3 F4 F5 F6 F7 F8 F9 @ 2$ & 1 2 4 5 7 8 Q W E R Y | A S D F G K C V N M < CO # 3 HICH29. Amino Acid Chemistry: Using the amino acid chart provided..Ala-Lys-Cys & give the isoelectric point for the tripeptide. Table 23.2 The pK, Values of Amino Acids pk, a-COOH a-NH3* Amino acid side chain Alanine 2.34 9.69 2.17 9.04 12.48 Arginine Asparagine 2.02 8.84 3.86 Aspartic acid Cysteine 2.09 9.82 1.92 10.46 8.35 Glutamic acid 2.19 9.67 4.25 Glutamine 2.17 9.13 Glycine 2.34 9.60 1.82 9.17 6.04 Histidine 2.36 9.68 Isoleucine Leucine 2.36 9.60 2.18 $ 95 10.79 Lysine 2.28 9.21 Methionine 16 9.18 Phenylalanine 1.99 10.60 Proline 2.21 9.15 Serine 2.63 9.10 Threonine 2.38 9.39 Tryptophan Tyrosine 9.11 10.07 2.20 2.32 9.62 Valine O something else! 5.14 O 8.65 something else! 5.81 9.02 9.57
- Exercise A: Amino Acid Functional Groups Figure 1 below shows one of the 20 amino acids that make up proteins. Recall that carbon can form four covalent bonds. Amino acids consist of a central carbon, called the a-carbon, that is bonded to four different chemical groups. H + CH2 OH Figure 1. Structure of an amino acid Answer the below questions in your own document. • On the amino acid shown in Figure 1, label the a-carbon. • The a-carbon of each of the 20 amino acids is bonded to one hydrogen atom, one amino group, one carboxyl group, and one R group (more on that below). You should recognize the amino and carboxyl groups from our discussion of functional groups in organic molecules. Circle and label* the amino group and the carboxyl group in Figure 1. *Note: our goal in this question, and in similar questions throughout this lab, is for you to be able to identify specific structures. You can do this circling/labeling in whatever way is easiest for you. You might want to draw the…2) What is glycoside ? In neutral and basic solutions, glycosides do not show mutarotation. However, if the solutions are made acidic, glycosides show mutarotation. Explain why? And write a mutarotation mechanism.The structures of three amino acids are given as below. Glycine -H Cysteine - CH2 - SH Glutamate - CH2 CH2 (i) Describe the properties of each of these amino acids. (ii) Draw the tripeptide Glu-Cys-Gly.