Suppose you increased the pH of the biotin solution from 7.0 to 9.0 -what would happen to the ionizable group on a molecule of biotin as the pH shifted from 7.0 to 9.0?

Q: Rank the indicated hydrogens from most acidic to least acidic: III H2 H,c-Co CHa II O A) I > I| > II…

A: Compounds that are made up of carbon are known as organic compounds. They also possess oxygen and…

Q: b. You have 100 mLs of a 2 M histidine solution at pH 6.0, how many mls of a 5 M KOH solution must…

A: Dissociation of a weak acid is mathematically described by the Henderson-Hasselbalch equation: pH =…

Q: 4. For the dipeptide Ala-Cys given below: „SH H,C H.N. LOH Ala-Cys dipeptide a. Draw a dingram of…

A: The isoelectric point of a protein is defined as the pH at which the net charge of a protein…

Q: A. What is the pH of a 0.15 M solution of acetic acid?

A: The pH of a solution is a measure of its acidity or basicity. It is a scale from 1-14. A lower value…

Q: 2. | Calculate the overall charge (pH 7) on the following three polypeptides and answer the…

A: Proteins or peptides are composed of twenty standard amino acids that differ from each other on the…

Q: When 50 grams of KCI is dissolved in 100 grams of water at 50 °C, the solution can be correctly…

A: Introduction: The solid substance that can be dissolved into a liquid is referred to as solute. On…

Q: b) What is the pH of each of the following solutions? i) [H] = 0.000001 [H*] = 10-3 ii)

A: Introduction :  The measurement of hydrogen ion concentration present in the solution is known as…

Q: 3. Consider the following acids and their dissociation constants: H:SO:(aq) + H20(1) = H:O-(aq) +…

A: a) If Ka value is less this means that ionisation is less and if Ka value is more this means that…

Q: 8) Define the following terms: a. Hydrophobic b. Hydrophillic

A: Introduction The cell membrane is a thin semi-permeable membrane that surrounds the cytoplasm of a…

Q: At pH=2.2, which of the following is true СООН ÇO0 Ç00 CO0 H,N-CH H3N-CH H,N-CH H2N-CH CH2 pK, CH2…

A: The given amino acid is glutamic acid. Glutamic acid is an acidic or negatively charged amino acid.…

Q: Draw 2,2‑dimethylbutane. Show all hydrogen atoms. 2.)Draw 3‑ethylhexanoic acid. Draw the structure…

A: Organic compounds are the compounds that contain carbon-hydrogen bonds. There are many different…

Q: Which is more likely to be changed by heating a protein, its primary structure or its tertiary…

A: When heating of the protein is done then primary structure of the protein does not get changed or…

Q: Detergents disrupt hydrophobic interactions by coating hydrophobic molecules with molecules that…

A: Hemoglobin is an oligomeric protein with four polypeptides. The individual polypeptides are joined…

Q: Suppose you adjusted the pH of the biotin solution to 4.5 - what effect would that have on the…

A: Biotin is a vitamin which is also called as Vitamin B7. Biotin is a polar compound with it's…

Q: Protein A interacts with biomolecule B and forms a complex AB, with a dissociation constant KD = 1…

A: Consider the following reaction:  P + L ⇌k2k1 PL  where P is the protein, L is the ligand and k1 and…

Q: Consider the following molecules. (a) Name the molecule and its function for letters: A, C, and E.…

A: C: the given molecule is DNA. It is deoxyrobonucleic acid.  It is an essential hereditary material…

Q: Determine the interactions shown in the figure at point P * M N R.. CH₂ O Hydrophobic interaction O…

A: the interactions shown in the figure at point P   a)Electrostatic interaction b)Covalent bonding…

Q: The dihedral or torsion angles of polypeptide backbone, the allowed values of which are summarized…

A: According to the Ramachandran plot, the torsion angles of the peptide backbone consist of phi (ϕ)…

Q: Milk is a solution, containing the dissolved solutes protein and sugar (the fat does not dissolve…

A: Milk constitutes more water about 87% than any other element. The major contents are water, fat,…

Q: Given a peptide chain that is composed of the following amino acids: (branched chain-- polar…

A: Chromatography is a separation technique by which amino acids dissolved in a mobile phase are…

Q: 2. You made a pH=9.8 buffer solution by mixing NaOH and glycine to give a solution that is 0.20 M in…

A: “Since you have posted a question with multiple sub parts, we will provide the solution only to the…

Q: At pH=2.2, which of the following is true COOH COO- Ç00 ÇO0* H3N-CH H,N-CH H&N-CH H2N-CH CH2 CH2 pK,…

A: The given amino acid is glutamic acid. Glutamic acid contains three ionizable groups in the form of…

Q: 2. Calculate the overall charge (pH 7) on the following three polypeptides and answer the questions…

A: Proteins or peptides are composed of twenty standard amino acids that differ from each other on the…

Q: HO Но stearic acid oleic acid The chemical structures of two naturally occurring substances, stearic…

A: Biochemistry is a branch of science that deals with the study of chemical processes related to the…

Q: 1. What class of biomolecules does this compound belong to? Explain why. 2. Break this compound down…

A: A biomolecule is any of the numerous substances that are produced by the cells and living organisms.…

Q: Draw an approximate titration curve for lysine, given that its pKa(COOH) = 2.18, its pKa(NH3*) =…

A: Amino acid has a typical structure. It has a central Carbon atom called (Cα). To it 4 groups are…

Q: Explain 3 benefits of proteins forming higher oligomeric states.

A: Protein is a macronutrient needed to build muscle mass. It is found in animal products, even though…

Q: Using octahedral symmetry, match each ligand SALC with its most likely interaction with a meta…

A:

Q: A student titrated a 250 mL solution of an unknown amino acid with 1.0 M sodium hydroxide and drew…

A: 1 M NaOH has 1 mole of NaOH in 1000mL (i.e. 1 liter). So 1 mL has 1/1000 = 10-3 moles of NaOH . So,…

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

A: Proteins are unbranched polymers constructed from 20 standard α-amino acids. They have four levels…

Q: Which of the following shows the structure of aspartic acid at pH 11? a H₂N. ОН ОН b H₂N ОН с H₂N ОН…

A: Aspartic acid (Asp or D); ionic form is known as aspartate, is an α-amino acid that is used for the…

Q: a. What is isoelectric point? (Round your answer to two decimal places, for example: 0.13 or 1.45 or…

A: The isoelectric point (pI) is the pH at which net electrical charge is zero for a molecule. It is…

Q: 3.) A mixture of amino acids was subjected to paper chromatography with six amino acid standards in…

A: Paper chromatography is an in expensive powerful analytical technique to separate the solute…

Q: HO HH C-N-C -C- OH R +H20 H H C-N-C N-C OH OH H. R. The chemical reaction illustrated in the…

A:

Q: In an experiment to determine the degree of saturation in 0.43 g of an unknown lipid, the following…

A: The fatty acids in triglycerides can have one or more double bonds in the hydrocarbon chain. Fatty…

Q: Hypoxanthine is an unusual nitrogenous base that can be formed from adenosine; it is not normally…

A: Functional groups of amino acids in enzymes present have the capacity to easily ionize. The…

Q: Unk

A: Answer Titration is a common technique to know the concentration of the analyte.

Q: Consider the following molecules. (a) Name the molecule and its function for letters: A, C, and E.…

A: All living beings are made up of cells, which are the most fundamental and important units. A cell…

Q: Calculate the Rf values for each of the amino acids and enter your data in the table. Based on your…

A: To calculate the Rf (retention factor) values for each amino acid, we use the formula:Rf value =…

Q: Consider a mixture comprised of the proteins attached: Protein that will most strongly bind to an…

A: Anion exchange chromatography is a type of ion exchange chromatography, used to separate molecules…

Q: 1.0.1 mL of a protein solution of concentration of 11 mg/mL was diluted to a total volume of 4.0 mL…

A: The four types of biological macromolecules are nucleic acids proteins lipids and carbohydrates.…

Q: What is the pH of a grapefruit that contains 0.007 M citric acid solution (CHgO7)? C6H307(aq) +…

A: Acids are substances that are capable of donating a proton to the aqueous solution. Weak acids…

Q: 2. You made a pH=2.5 buffer solution by mixing NaOH and glycine to give a solution that is 0.20 M in…

A: Dissociation of a weak acid is mathematically described by the Henderson-Hasselbalch equation: pH =…

Q: 1. Isoelectric point of polypeptide: (1) is pH at which the o-carboxyl and o-amino groups are…

A: Proteins are polymers made of monomers called amino acids, mostly L-amino acids. There are different…

Q: Match the following terms to the correct definition: disulfıde bonds V ( Choose ] molecular force…

A: Proteins are important biomolecules that play essential functions inside a cell. Proteins are made…

Q: 1. Draw the tetrapeptide Met-Ala-Thr-Thr at a ph of 7?  2. Draw the tetrapeptide Met-Ala-Thr-Thr at…

A: The pKa values of amino acid side chains determines the pH-dependent net charge of an amino acid in…

Q: 3. A. As the bulk solvent in biological systems, water exerts a huge effect on protein structure and…

A: Proteins are the building blocks of life. Proteins are made up of amino acids. Amino acids when they…

Q: 2. Calculate the overall charge (pH 7) on the following three polypeptides and answer the questions…

A: Peptides are composed of amino acids and amino acids have ionizable groups. The alpha-amino (NH3+)…