You're examining an amino acid at position 3 in an alpha helix. Without knowing the specific amino acid. What do you already know? The amino acid will form bonds with its nitrogen. 4 The amino acid forms two H bonds There is not enough information This amino acid forms one H bond.
Q: 1. In a catabolic pathway, metabolite X gets converted into metabolite Y, metabolite X metabolite…
A: is the standard change in Gibbs free energy i.e. the change in Gibbs free energy under standard…
Q: 7) The figure below shows a B-barrel protein embedded in a hydrophobic membrane. The central cavity…
A: Beta barrels are known to be embedded in the membrane for various functions like transport of cargo.…
Q: Draw a diagram of a peptide bond in the cis and trans configurations. Show the contributing…
A: The amino group (NH2) of one amino acid and the carboxyl group (COOH) of another amino acid can join…
Q: Consider the second titration. PH 14.0 12.0 10.0 8.0 10 11 7 4 1 9 6.0 4.0 2.0 0.0 0.5 1.0 1.5 2.0…
A: Titration is used for determining the amount of acid in a solution. Sodium hydroxide is added to a…
Q: D The peptide KNYPEH N-terminal amino group has a pKa of 8.6 and the C-terminal carboxylate group…
A: A peptide is a short chain of amino acid residues linked together via a peptide bond. Amino acid…
Q: Thr-Lys-Pro-Ile-Val-Ala-Pro-Met-Glu-Tyr-Gly-Lys Write the sequence using one-letter abbreviations.…
A: Amino acid sequences are written with N-terminal amino acid on the left and C-terminal amino acid on…
Q: Which foods are better at slowing down the rate of alochol absorption into the bloodstream?.
A: When alcohol is ingested, it is not digested and metabolised by our body. Instead, it enters the…
Q: If the half-life for the decomposition of a drug is 4 hours, how long will it take for 225 mg of the…
A: In order to solve this problem, first we need to calculate the decay constant (). The half life…
Q: For the enthalpy (H) factor to become favorable, the enthalpy of the products should be O Higher…
A: The question is to identify the condition of enthalpy of product with respect to reactants when the…
Q: II. Give biomolecules found in the animal body, characterize its type, a) organic or inorganic; b)…
A: Biomolecules are organic compounds that are found in living things and are crucial to their…
Q: Which of the following amino acids or types of amino acids is rarely found in beta sheets? Polar…
A: Beta sheets are a common secondary structure in proteins, characterized by a sheet-like arrangement…
Q: 9. Name the following compounds using R.S designations: 'CH, a. HO H H₂ C CH₂CH, CH₂OH B. HỌ-CH,…
A: R-S system - The R / S system is an important nomenclature system for denoting enantiomers. This…
Q: Which of the following lists the stages of the Calvin cycle in order, starting with the stage where…
A: In the Calvin cycle, carbon atoms from CO2 are incorporated into organic molecules and used to build…
Q: Determine whether each of the examples or phrases describes an essential amino acid, a nonessential…
A: Amino acids are the building blocks of proteins, which are essential molecules in living organisms.…
Q: A weak acid, HA, has a pK₁ of 4.756. If a solution of this acid has a pH of 4.101, what percentage…
A: To calculate the percentage of the weak acid HA that is not ionized in a solution with a given pH,…
Q: Find the connection among the words below and choose the letter of the word which is different. O A.…
A: DNA fragment separation is accomplished using the agarose gel electrophoresis technique. It…
Q: For a reaction to be spontaneous, which of the following factors should have a negative sign? OA…
A: For any reaction to be spontaneous, the change in Gibb's free energy, must be negative (i.e less…
Q: The following reaction is catalyzed by this type of enzyme? COO™ COO™ HIC-H HIC-H COO™ succinate…
A: The conversion of succinate to fumarate is an important step in the citric acid cycle (also known as…
Q: If, in addition to the constraints on glucose concentration listed previously, we have in the liver…
A: To determine the theoretical concentration of glucose-6-phosphate at equilibrium in a liver cell…
Q: 3) After watching the video convert the monosaccharides from a Fischer to a Haworth Projection. a)…
A: Fischer and Haworth ProjectionsFischer and Haworth projections are two ways of representing the…
Q: Determine the relationship between compounds 1 and 2 Is it A - meso compounds b - enantiomers C-…
A: Stereoisomers are the isomers in which molecular formula are same for both the isomers but they…
Q: Q6: The answer bank for each is: (Pick one that fits best for each) - lyase - transferase - ligase -…
A: Enzymes are biocatalysts that speed up the chemical reactions.We have been given chemical…
Q: At what pH does peptide the His-Arg have a net charge of +1.7?
A: Recall that:Amino acid sequences are written with N-terminal amino acid on the left and C-terminal…
Q: 8. In terms of energy in chemical bonds, explain why eating food is necessary for increasing muscle…
A: “Since you have posted multiple questions, we will provide the solution only to the first question…
Q: Assign a number to each item to indicate the order of complexity, from least complex to the most…
A: The eukaryotic cell is constituted of several sub-cellular compartments and the cytosol, all of…
Q: A researcher isolates a new protein and finds that it contains 0.755% serine by weight upon amino…
A: A peptide is a short chain of amino acid residues linked together via a peptide bond. The peptide…
Q: 4. Ionic Forms of Aspartic Acid. Aspartic acid is a triprotic acid that can undergo three…
A: Aspartic acid is a triprotic acid, It can give 3 protons from 3 ionizable groups from the carboxylic…
Q: Please draw the structure of the amino acid Histidine at each ionization state and please also give…
A: a) Histidine has three ionizable groups and equilibrium equations for its three ionizations are…
Q: CH3 нно │ │ | wwN-C-C-N-C-C-N-C-Cmw H | | I нно serine leucine alanine Determine which amino acids…
A: Peptides are polymers of amino acids. Amino acids are simply an alpha-carbon bonded to 4 different…
Q: Does RCSB PDB contain structural details of other biomolecules like nucleic acids, lipids, and…
A: RCSB PDB (Protein Data Bank) is a widely recognized and comprehensive repository for structural data…
Q: Some characteristics of three proteins are listed in the table below: Protein Molecular Weight…
A: Chromatography is a separation technique that separates a mixture of analytes based on their…
Q: What is the hydrogen bonding pattern within an alpha helix? a. Lone pair on C=O of residue i to…
A: We have to determine the hydrogen bonding pattern within an alpha helix
Q: Beta-sheets are roughly planar structures, in which the backbone hydrogen bonding pattern defines…
A: Beta sheet is the secondary structure of a protein that is formed by the hydrogen bonds between the…
Q: 1.DNA helicase 2.SSBP 3.DNA ligase 4.Primase 5.DNA Polymerase III A. Synthesizes RNA primer B.…
A: Deoxyribonucleic Acid (DNA), is a complex organic molecule is the hereditary material that carries…
Q: The most abundant element, by mass, in living organisms is: a) C b) O c) N d) Na Which of these…
A: Living organisms are primarily composed of water (H2O), which is the solvent within the body of a…
Q: Which of the following can be directly influenced by activated G-proteins after a GPCR is activated?…
A: G Protein Coupled receptors are also called metabotropic receptors or heptahelical…
Q: Would you expect the pKa to be higher or lower than 8 if the group were buried in the hydrophobic…
A: PKa value is the measure of the tendency of a group to give up a proton. PK a is actually a…
Q: Recall from the central dogma that DNA codes for mRNA, which then codes for protein. Also recall…
A: As per the central dogma of molecular biology, the genetic information for protein synthesis is…
Q: Draw a diagram of a Ramachandran plot. Indicate the location on the plot of an amino acid residue…
A: There are four types of biological macromolecules- proteins, nucleic acids, lipids and…
Q: A buffer solution is composed of 1.00 mol of acid and 1.75 mol of the conjugate base. If the p pH of…
A: The pH of a buffer solution is determined by the balance between the concentration of the weak acid…
Q: Order the following cells in terms of the size of their receptive field, from smallest to largest:…
A: The size of receptive fields generally increases as you move from early sensory processing areas to…
Q: Select the choice that best describes the stereochemistry of the following amino acid, and rank the…
A: Cysteine is one of the aminoacids which contains a sulphur atom.it is the amino acid which forms…
Q: Use the chart below to help answer questions 9-12 Polar amino acids Nonpolar amino acids Serine,…
A: Polar amino acids are also called as hydrophilic amino acids as they have side chains that interact…
Q: How do you account for the differences in the amounts of proteins, lipids, carbohydrates, and…
A: Understanding the complex balance of proteins, lipids, carbohydrates, and nucleic acids in a…
Q: 7. A protein has a molecular mass of 400 kDa when measured by gel filtration. When subjected to gel…
A: As we know that the sodium dodecyl (SDS) sulfate is considered as the denaturing agent, which helps…
Q: What pairs of sugars represents constitutional isomers, stereoisomers, epimers, enantionmers,…
A: Carbohydrates are polyhydroxy aldehydes or ketones. Monosaccharides are simplest carbohydrates:…
Q: Use the polygon to draw the MO energy diagram for:
A: Here we can see the structure of Cyclotetraene with two lone pairs.The no. of pi electrons in…
Q: For the equilibrium below, pKa₁ = 7.9 and pKa2 = 10.1. At what pH is [HA] equal to [A²-]?
A: pH of any acid or base tells us its hydrogen ion concentration.PKa- it is that pH when the 50%…
Q: In the lab where you work, a graduate student has created a K+ leak channel that is mutated in such…
A: Membrane potential is the difference in electrical charge between the inside and the outside of a…
Q: 2. A. If 100 mls of 0.03 M HCI is added to 400 mls of 0.5 M glycine buffer at pH 10.4, what is the…
A: The pH of our glycine buffer is 10.4. At this pH, it will be the alpha-amino group of glycine (that…
Trending now
This is a popular solution!
Step by step
Solved in 3 steps
- If the polypeptide chain DFRYHWSA were in an alpha helix, then the alpha amino group of amino acid S would be in a hydrogen bond with the C=O of Please write letter of amino acid as answer. Amino Acid pKac pKan pKar 2.4 9.8 Glycine Alanine 2.4 9.9 2.3 9.7 9.7 Valine 2.3 Leucine 9.8 2.3 Luoleucine 10.6 2.0 2.2 9.2 91 84What part of the structure of one a helix interacts with (binds to) the adjacent helix in a coiled coil structure? Side chains (R groups) from one helix interact with side chains on the other helix. The amino and carboxyl ends of one helix interact end-to-end with the ends of the other helix. None is correct. O Alpha carbons from one helix interact with the alpha carbons on the other helix. Backbone carbonyl oxygens and amide N-H groups on one helix interact with the backbone groups on the other helix.Which of the following linkages/bonds is NOT found in the primary structure of DNA and RNA molecules? A phospho anhydride bond B phosphoester bond (c) N-C glycosidic bond phosphodiester bond
- When a polypeptide is made, which of the following parts of the monomer are NOT part of the "backbone." Amino group R group Alpha carbon Carboxyl groupWhich of the following is incorrect about the alpha-helix? It can be easily identified in the "ribbon" representation Ob. It is stabilized by hydrophobic interactions between the side chains of nonpolar residues OC. It is right-handed Od. Its H-bonds are formed between a C=O group and a N-H group four residues farther along a.The R-group of lysine has an overall positive charge. The R-group of glutamic acid has an overall negative charge. Within the structure of a protein molecule, these two amino acids will: O attract each other O repel each other O form a disulfide bridge O form a pure covalent bond
- Which of the following is/are least likely to be found in an alpha helix because it has an inappropriate Phi angle. a Polar charged amino acids b Proline c Nonpolar amino acids d Glycine e Polar uncharged amino acidsIf the polypeptide chain GHREAQNF were in an alpha helix, then the alpha amino group of amino acid N would be in a hydrogen bond with the C=O of Please write letter of amino acid as answer.Draw the structure of the following polypeptide at physiological pH. You do not need to indicate the names or abbreviations. Also highlight the phi and psi bonds around the third amino acid. Protein sequence: PARTICLE Protein sequence: NEDSTARK
- Draw one of the 20 amino acids and label the aminogroup, the carboxyl group, the R group (side chain), andthe a carbon.Draw a polypeptide chain with the following sequence of amino acids: M-A-N-A-N-D-G-E-N-EChoose the best statement regarding the R groups of amino acids in an alpha helix. Group of answer choices They are located in the interior of the helix. They stick out from the axis of the helix. They participate in H-bonds that stabilizes the helix. They are completely incompatible with helix formation.