Ⓒ orrect G Question 42 If the pH of a solution is 8.1, then the solution is neutral HELP CENTER acidic

Q: Urea will always completely disrupt structure of proteins. (Select all that apply!) O Primary…

A: Protein is a macromolecule that is made up of amino acid building blocks. Normally, the association…

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: In order to solve (d), first we need to calculate (c). So, here is a brief and comprehensive…

Q: Which of the following statements concerning TAGS is FALSE? O They are classified as a saponifiable…

A: - Triacylglycerides (TAGs) are saponifiable lipids because they are made up of long chain carboxylic…

Q: 6. Why would a cell want to aggregate ions on one side of a cell membrane?

A: Cell membranes, additionally called plasma membranes, are found altogether cells and serve to…

Q: A solution of pH 5 contains--- -times more H + than the same amount of a solution at pH 8.

A:

Q: Q 1. To make 500 mL of 1x Buffer, measure ANSWER mL of 10x stock and add ANSWER mL water to make the…

A: Introduction  Dilution is the process of reducing the concentration of a solute in a solution by…

Q: Quèstion 9 What type of bond is(are) individually weakest? 01. hydrogen O 2. ionic O 3. covalent O…

A: Biomolecules are the biological molecules that are present inside the living organisms. These…

Q: 5. Change this amino acid from its nonionic form (pictured) to its ionic or Zwitterionic form. You…

A: Amino acids are the fundamental building blocks of proteins, which are essential for numerous…

Q: Find the pH of the equivalence points when 28.9 mL of 0.0850 M H₂SO3 is titrated with 0.0752 M NaOH.…

A: At the first equivalence point, all the H2SO3 is converted into its conjugate base, HSO3-. To…

Q: What is the isoelectric point of AA? [Select]

A: Isoelectric point (pI) of amino acid: Isoelectric point is the pH at which amino acid shows no…

Q: G H2N (F) OH ్రింద A NH H2N (E) N ND O NH но NH (H) 18. Name of base A: 19. Name of base D: 20. Base…

A: Nucleic acid is one of the major cellular biomolecules. Nucleic acids are of two types. DNA and RNA…

Q: Level QI Level Q2 1 Identify the following macromolecule: Identify the following macromolecule:…

A: 99% of substances found in all living things are made up of four, elements namely: hydrogen ,oxygen,…

Q: The PH of a buffer solution should be at ... * Ka value PKa value O 7 14 7.4 ООО

A: A buffer solution is a solution that changes pH slightly on the addition of a small amount of strong…

Q: a. To make a 300mL of 1% NaCl, weigh cylinder, and add water to make the total volume b. To make a…

A:

Q: Question 1 Why is water considered "the universal solvent"? a. Water is considered the universal…

A: Water: a. It is a molecule made of two hydrogens and a central oxygen atom. b. It is the solvent of…

Q: Which of the following is true about a peptide bond: Electron delocalization occurs between the…

A: Electron delocalization reaction in the peptide bond is given below.

Q: The effective buffering range for the amino acid in the acidic region.

A: Amino acids are the compounds that contain both amino and carboxylic acid as functional groups.…

Q: Table 2. Data for Experiment Estimating Osmolarity by Change in Weight

A: Osmotic concentration, earlier known as osmolarity, is the proportion of solute fixation,…

Q: V-A. Which of the following amino acids will elute first in a cation-exchange column using a buffer…

A: Ion exchange chromatography is a technique in which proteins are separated on the basis of charge.…

Q: 6. Complete the following table: SOLUTE NaCl Urea CaCl₂ CaCl₂ MOLARITY (mole/L) 3 0.2 OSMOLARITY…

A: In healthcare settings and biology labs, it’s frequently useful to consider how answers will have an…

Q: You have a0.5 g/mL stock solution of protein.  To make 100ml of 5g/mL solution, add ______ of stock…

A: The concentration and the volume of the stock solution in an experiment were measured by using the…

Q: Identify the solution or solutions with the highest concentration of water. Justify your answer.…

A: Osmolarity: Osmolarity is a measure of the concentration of a solution expressed as the number of…

Q: QUESTION 7 If the concentration of OH- ions in a solution is 10^-2 M, pH of that solution will be O…

A: pH refers to the concentration of hydrogen ions in a solution. pH measures the acidity of a…

Q: Which of the following O The capacity of a buffer increases with increasing (Acid) and (Base) Ohe pH…

A: An acid is a chemical substance that donates a proton or hydrogen ion (H+) to another substance or…

Q: please answer 3 b and c. i need a detailed explanation about each molecule including the water.…

A: Diffusion is defined as movement of molecules from an area of high concentration to the area of low…

Q: When an acid is added to an amino acid in its zwitterionic form, amino acid carboxylate anion gains…

A: Zwitterion: An amino acid has both a positive ( on the amino group -NH3+) and a negative charge (on…

Q: gradient exists in a solution when the concentration of solutes in the solution is Da less than the…

A: A concentration gradient occurs when the concentration of particles is higher in one area than…

Q: Compared to a solution of pH 9, a solution of pH 7 is Multiple Choice 2 times more acidic 20 times…

A: pH is a measure of acidity of a solution. A solution with high pH is more basic and a solution with…

Q: Dialysis bag in beaker Cell in beaker 2M Na+ 2M Na+ 2M CI- 2M glucose 2M starch 2M CI- 2M glucose 2M…

A: a) At the beginning the osmotic concentration of dialysis bag is (2+2+2+2)=8M. And the osmotic…

Q: What is the osmolarity of a solution containing 1.5 g/L of MgCl2? Answer to 3 decimal places. MW…

A: Molarity represents the number of solutes present in one liter of solution. Osmolarity is the number…

Q: 1. What does the tea bag represent? [ Select] 2. If the teabag is a cell, the water is considered to…

A: Multiple subparts asked. I will answer the 1st 3 subparts, following guidelines.  Please repost…

Q: 1. What is the possible identity of the amino acid? 2. What is the isoelectric point of AA? [Select]…

A: The amino acids are composed of a central carbon, an alpha-amino group, an alpha-carboxylic group,…

Q: A 100 mL solution of 0.1 M amino acid (AA) at pH 1.0 was titrated with 1.0 M NaOH solution. The pH…

A: Amino Acids: All amino acids have an amine and a carboxylic acid functional group with acid/base…

Q: Descrive hydrophobic tails, and explain the importance of hydrophobic tails for the phospholipids…

A: Introduction Phospholipids Are Biological Compounds Found In The Membranes Of Many Cells And…

Q: A hydrogen bond can form between adjacent to each other. two oxygen atoms O negative charges O a…

A: According to our guidelines we can only answer the first question and rest of the question can be…

Q: Define the term buffer capacity and explain if the amino acid phenylalanine would be a good buffer…

A: A buffer is a chemical that can resist pH changes even upon adding acid or alkali in small amounts.…

Q: Y WX WX W In the diagram, which represents a catalyst? O W O WX

A: Enzymes are catalysts which catalyze the biological reactions. Enzymes are protein molecule having a…

Q: There are _ times less _ ions in solution with a pH 3 than in a solution with a pH6.

A: Introduction In a chemical reaction, a solution can be acidic or basic which depends on the…

Q: Enough of a monoprotic acid is dissolved in water to produce a 1.83 M solution. The pH of the…

A: First, the pH can be used to determine the amount of H+ ions present in the solution:…

Q: Answer the following, 3-5 sentences. Describe hydrophobic heads, and explain the importance of…

A: Water "loves" the head (hydrophilic), while water "hates" the tails (hydrophobic). The water-hating…

Q: Many characteristics of water make life possible. Which of the following is NOT one of the reasons…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Jack was given a solution and asked to find out the pH number and the type of solution. Describe the…

A: The chemicals that we deal with in the laboratories are either acidic, basic or neutral in nature.…

Q: Click on ALL of the characteristics that describe a PROTON. Found in the orbitals surrounding the…

A: option 2 ) Proton is a positive charge  option 3) the number of subatomic particle is known as…

Q: 3. What is the pKa corresponding to the dissociation of the a-carboxylic group? [ Select ] [ Select…

A: Pka is the representation of the strength of an acid. Pka is measured by taking negative log of Ka,…

Q: 2. What volume of 0.100 M HCI would have to be added to this buffering system, to reduce the pH to…

A: The pH of the acidic buffer of blood is given as:pH=pKa+log[bicarbonate][carbonic acid]

Q: Why is it essential for the body to maintain a normal pH? Explain or expand your answer.

A: The pH of blood ranges from 7.35-7.45 but the pH of other body fluids is different. pH depends on…

Q: 7. Explain the following terms: Fill in the blanks. Solution A is iso-osmotic to red-blood cells…

A: Solute+solvent makes a solution. Solutes are the substance (solid generally) that are dissolved in…

Q: 18. For this question, enter your numerical answers without units. If a question can't be answered…

A: An element is a pure substance consisting of only atoms that all have the same number of protons in…

Q: The purine nucleotide bases are:

A: Purines:- Purines are the heterocyclic natural compound that comprises pyrimidine ring melded to an…

Q: QUESTION 30 Below is a standard curve generated by taking absorbances of standard solutions at…

A: Proteins are the biomolecules which are composed of amino acids. The concentration of proteins can…