16. Describe the basic principles behind the functioning of an amino acid analyzer. What is it? W is it used for? How does it work (start to finish)? 17. In peptide, protein chemistry, what does the term 'sequence' mean? 18. About how many amino acid residues can be in a peptide in order to sequence it by Edman degradation?

Q: Devise a laboratory exercise based on the Ehlrich test for Proteins  1. write a 3 paragraph…

A: Ehlrich test  A biochemical test called the Ehrlich Test is used to find the amino acid tryptophan…

Q: Suggest a scheme you will follow to synthesis the dipeptide Ala-Gly Explanation of scheme should be…

A: In the synthesis of peptides, amino acids are having two functional groups so the shelf condensed…

Q: One of the most advanced methods for determining a protein sequence is tandem mass spectrometry…

A: Tandem mass spectroscopy includes the coupling of two or more mass analyzers to significantly…

Q: (b) Using alanine as an example, draw possible conformations of alanine in a peptide chain and…

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Q: When RNA is hydrolysed, there is no relationship among the quantities ofdifferent bases obtained.…

A: The full form of RNA is ribonucleic acid while the full form of DNA is deoxyribonucleic acid. Four…

Q: What is the amino terminal residue? What is the carboxyl terminal residue? How many amino acid…

A: as per the policy guidelines we are here to solve first three questions only. amino acids are the…

Q: Of the four sequences below, one can be that of a peptide, others can't. Which is the one that can…

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Q: Let us consider the name EMILY. Design a peptide using some of the amino acids found showing their…

A: All the amino acids that are abbreviated by the single alphabet E, M, I, L, and Y are shown below.…

Q: The use of salt bridges or hydrophobic interactions (or pockets) to stabilize interactions between…

A: The quaternary structure of a protein is the association of several protein chains or sub-units into…

Q: 1. Will both DNA and RNA give a positive test with nitric acid? Why?

A: DNA carries heridetary material, whereas RNA is known for making protien and genetic material source…

Q: Results and Discussion:   Schiff's Test: Samples: tyrosine, lysine, arginine Reagents:…

A: A question based on qualitative analysis, which is to be accomplished.

Q: 5. Arg and Lys Asp and Lys Pro and Glu Among these amino acid combinations listed above, only…

A: Answer: Only the combination of Asp and Lys have side chains with groups that have the greatest…

Q: Draw Tryptophan in a peptide bond. Explain all of the bonds using valence bond theory (VBT). Next,…

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Q: protein

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Q: III. Identify the amino acids in this peptide

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Q: What is a matching sequence of bases for ‘UTAG’ using Watson-Crick base pairing? Why is this…

A: In the Watson-Crick model, Adenine binds with Thymine (A-T) or Uracil (A-U) and Cytosine  bind with…

Q: The maximum number of amino acid side chains that can potentially form an ionic bond (+lil-…

A: Histidine is an amino acid with a imidazole ring attached as a substituent. The polarity of…

Q: Compounds X and Y are acidic amino acid and basic amino acid, respectively. While monomers A and B…

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Q: Complete the table below regarding the different laboratory tests done for Amino Acids and Proteins…

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Q: Draw the major chemical species (excluding solvent) that exist at pH=11.85 for a solution containing…

A: The pKa of a solution is the negative logarithm of the acid dissociation constant. Lower the value…

Q: Draw the hydrogen bonds between A and T that hold the double helix together. Show both molecules and…

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Q: How many mls of an aminophyllin solution (500mg/20ml) is needed to prepare 425mg aminophyllin in…

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Q: Consider a buffered solution with a pH of 11 that contains tyrosine as a free amino acid. W the net…

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Q: how would you isolate the glycosylated insulin from the unglhcosylated forms? can you come up with a…

A: In general, Insulin helps keep the glucose in your blood within a normal range by taking glucose out…

Q: 6. You are designing a protein, which needs to be stable at high temperatures. Which amino acids…

A: Amino acids are the monomeric units that are used in the synthesis of protein molecules. There are…

Q: Assuming you have four different bases, how many amino acids can you code for with two-base…

A: Class of organic compounds that contain both amine and carboxylic acid group in the single carbon…

Q: There are four amino acids shown in this problem: two are on this page, and two are on the following…

A: We are given 4 different amino acids in 3D diagram through ball and stick model. In ball and stick…

Q: Consider a double helix of DNA that has a total of 50 base pairs. If 32 of the bases are A…

A: Given: Total base pairs= 50 pairs = 100 bases Number of adenine bases= 32

Q: Reset Help The lipid bilayer consists of hydrophobic rows of with the forming the center of the…

A: We have given that  The lipid bilayer consists of             rows of              With the…

Q: Draw the structure of generic amino acid, using R for the side chain.

A: The structure of generic amino acid, using R for the side chain is to be drawn.

Q: A protein is a large polypeptide. Polypeptides are polymers of amino acids joined together through a…

A: Concept:  polypeptide bond is nothing but the amide linkage.

Q: Make 2 amino acids models and capture them. Write down their names and if their model is

A: The question is based on the concept of biomolecules. amino acid is a type of biomolecules. we have…

Q: (a) Why can’t two purine bases (A and G) form a base pair and hydrogen bond to each other on two…

A: (a)The two purine bases (A and G) cannot form a base pair and hydrogen bond to each other on two…

Q: . Polyglycine, a simple polypeptide, can form a helix with 6 = -80°, ự = +150°. From the…

A: In Ramchandran Plot (φ) represent Phi (ψ) represent psi - Dihydral angle  - dihydral angle is the…

Q: Why are Guanidins and Amidins such strong bases?

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Q: (i) A segment of DNA containing 20 base pairs includes 7 guanine residues. How many adenine residues…

A: The bases present in DNA are Adenine (A), Thymine (T), Cytosine (C), and Guanine (G). The…

Q: peptide has the sequence

A: peptide sequence is:…

Q: 1. How does real-time polymerase chain reaction work?  2. What does the melting point represent?

A: Real-time polymerase chain reaction This is also commonly known as RT PCR. It is a laboratory…

Q: Match the region A,B,C. Question 4 Below is the structure of a hypothetical photo-affinity probe…

A: 1. Cross-links with nearby proteins in the presence of UV light The answers is B.

Q: A solution of amino acid having carboxylic side chain was titrated against NaOH. If initial pH of…

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Q: Below which is false about determining protein three-dimensional structure?

A: X-ray crystallography is a non-destructive method to determine the crystal information of any pure…

Q: Modify isoleucine to show its structure at pH 1 and pH 13. Modify each amino acid by adding or…

A: Given : We have to predict the structure of given amino acid at different pH.

Q: E. Sketch an example of a hydrophobic interaction (hydrophobic pocket) that could be ound in a…

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Q: Given a sequence of amino acids explain the type of secondary structure you will expect the protein…

A: Amino acids are the biomolecules that contain both amino and carboxylic acid groups. Each amino acid…

Q: 4. Another peptide fragment that is 33 residues long is recognized as the most resistant to being…

A: In the given sequence of peptide, L, Q, P, F, and Y are five different amino acids.

Spectroanalytical Methods

Spectroanalytical methods measure the wavelength and intensity of radiations that are either emitted or absorbed by a molecular or atomic species. These methods are useful for evaluating the electronic or atomic arrangement of the molecules of a given analyte.