TAt pH=2.2, which of the following is trueÇOOHÇO0Ç00HN-CHH,N-CHH&N-CHHN-CHCH2CH2CH,pK2CH2CH2pK,CH2pKRCH2CH2COOHСООНCOOCOO-IIIVO 50 % of carboxylic acid group in the side chain is ionizedO Most of the molecules are in the form IINone50% of carboxylic acid group attached to alpha carbon is ionized50% of amino group is ionized

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

Answered: At pH=2.2, which of the following is…

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 pKR CH, CH2 CH, CH2 pK2 CH2 CH2 COOH COOH COO- COO-

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

See similar textbooks

Related questions

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: prepare 250ml of 0.10 m NaOH from solid NaOH and water

A: Molarity: The moles of a solute per litre of a solution is called as molarity (M).

Q: On the pH scale, where can you find very strong acids and very strong bases? Below 7 O In the middle…

A: pH is used to describe whether an aqueous solution is acidic or alkaline (basic) in nature. The pH…

Q: At pH=2.2, which of the following is true СООН COO CO0 CO0" H2N-CH H,N-CH H,N-CH CH2 pK2 H2N-CH CH2…

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

Q: hat is the pH of 0.6M acetic acid?

A: Acetic acid is a weak acid, to calculate the pH we need acid dissociation constant (ka) , for this…

Q: NH3 NH3 NH3 NH2 (CH2)4 (CH2)4 (CH2)4 (CH2)4 H,N-Co,H pKa, (2.2) pKaz (9.0) HN-co," pKaz H H (10.5) H…

A: Amino acids are organic compounds that constitute of an amino group –NH2, and carboxyl group –COOH,…

Q: +2, and 4.03. the following 0.10 M solutions available: CH3COOH, NACH:C00, NHẠCI, NH3, NAHCO:, and…

A: A buffer is a solution that resists the change in the pH. The pH value of the buffer solution can be…

Q: Which of the following depicts the mild alkalosis? Select one: a. pH=7.33 Ob. pH=7.45 O c. H=7.65…

A: The collecting duct of kidney participates in reabsorption and secretion of selective ions into…

Q: Which of the following accurately describes the number of aluminum and oxygen atoms in Al203? A 3…

A: Al2O3 is an aluminum oxide that is a white odorless crystalline powder.

Q: . Adding as little as 0.1 mL of concentrated HCl to a liter of H20 shifts the pH from 7.0 to 3.0.…

A: Acetic acid and sodium acetate is an example of the acid - base buffer, in order to understand how…

Q: Arrange the following compounds in the increasing order of their boiling points :CH3CHO, CH3CH2OH,…

A: The boiling point (bp) is dependent on the intermolecular (IMF) forces present in the compound. The…

Q: What coefficient must be placed in the following blanks so that all atoms are accounted for in the…

A: As per the law of conservation of mass, mass can neither be created nor destroyed. This also applies…

Q: Convert the following pH values in both [H+] and [OH-] values. (6 points) 1. pH = 3.95…

A: According to the definition of pH, pH = -log [H+]. According to the definition of pOH, pOH = -log…

Q: Soft drinks usually have a pH of approximately 3.1. What is the [H3O+] concentration in a soft…

A: Consumption of soft drinks is a very controversial issue for public health. Soft drinks contains…

Q: If the equation produces from data is y = 0.300x - 0.857 and the absorbance for the unknown is…

A: Note: Since you have posted multiple independent questions in the same request, we will solve the…

Q: A solution has a pH of 5.4. What is its pOH O5.4 8.6

A: The hydrogen ion concentration [H+] and hydroxide concentration [OH–] in a aqueous solution have an…

Q: How many H2O particles were produced by creating the following structure? * R H R R H-N-C,-c-…

A: Amino acids are monomers of protein they are linked with each other by forming peptide…

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: You made a buffer solution by combining 250.0 mL of a 0.20 M sodium acetate solution with 50.0 mL of…

A: Given Values: Volume and concentration of the sodium acetate = 250 m and 0.20 M Volume and…

Q: At pH 10, [OH-] is— 10 M 5 M 10-10 M 10-4 M 0.0000001 M

A: pH is the measure of the relative amount of free hydrogen and hydroxyl ions in the water. A pH of…

Q: The inverse logarithm, or -log, of [H3O*l][OH*l] = 10*14 is pH + pOH = 14 1. What happens to the…

A: Water has many unique properties that make it very special and important for life on earth. The…

Q: 1. One liter of an aqueous solution contains 0.10 M Lys at pH=10.8, and 0.1 M HCl is subsequently…

Q: THE LEAST EFFICIENT BUFFER MIXTURE a. 0.001 M HCI & 0.001 M NaCI b. 0.1 M NH4CI & 1M NH4CI c. 1 M…

Q: Please help me find the structure based on this IR graph and a boiling point of 90-100°C. 84 80 70-…

A: Different types of spectroscopy can be used to identify the structure of the unknown compound. Some…

Q: Which of the following combinations would be the best choice to buffer the pH of a solution at…

A: Ans- NaH2PO4 and Na2HPO4 would be the best choice to buffer the pH of a solution because it has pka…

Q: From your data in Table 8.2 choose the correct pH for household chemical listed here. pH 6 purple pH…

A: The pH is considered as the scale, which is used to specify the basicity as well as the acidity of…

Q: A solution with a pH of 2 has a hydrogen ion concentration that is _______________ the hydrogen ion…

A: pH is a measure of the negative logarithm of the hydrogen ion concentration. Given Values: pH = 2.0…

Q: Which of the following aqueous solutions has the lowest pH: 0.1 M HCl; 0.1 M acetic acid (pKa =…

A: pH is used to specify the acidity or basicity of an aqueous solution. It measures the hydrogen ion…

Q: Which of the following liquid substances exhibit the highest viscosity at 25 ºC? A.…

A: Organic molecules are molecules made of carbon, hydrogen, and oxygen. The organic molecules are…

Q: 1.1 Which of the following statements is true for the chemical depicted below?…

A: A hydrocarbon chain is an organic compound made up solely of carbon and hydrogen atoms linked…

Q: The pH of a 1.25 x10-3 M NAOH solution is: O a 7 b 2.90 3.10 O d 11.10 O e 10.90

A: Given Values: The concentration of NaOH solution = 1.25×10-3 M

Q: A solution has a hydrogen ion concentration of 0.01 mol/L. What is its pH? What is its hydroxide ion…

A: Given Values: [H+] = 0.01 Mol/L = 1×10-2 M pH is a measure of negative logarithm of hydrogen ion…

Q: Using the Henderson-Hasselbalch equation, calculate the pH of a buffer solution made from 0.20 M…

Q: Which of the following solutions has the greatest concentration of hydroxyl ions [OH-]? Select one:…

A: A solution can be acidic or basic depends upon the concentration of H+ or OH- ions.

Q: Which of the following wavenumber corresponds to the carbon/carbon triple bond region on an IR…

A: Carbon - Carbon triple bond is stronger than double and single bond and stronger bond absorb at…

Q: The amino acid alanine has two isomers, α-alanine and β-alanine. When equal masses of these two…

A: Amino acids are the monomers of proteins having chiral carbon with all four different groups except…

Q: What volume of 0.10NH2 SO3 will be required to neutralize a solution containing 10.0grams of…

A: Given Values: Weight of Ca(OH)2 = 10 grams The molecular weight of Ca(OH)2= 74 Normality of H2SO4 =…

Q: When two drops of NaOH were added to the water the color changed from purple to green. Did this make…

A: A pH measurement scale is used to specify the acidity or basicity of a solution. pH refers to the…

Q: The pH of a solution is 7, what is the H+ concentration? Group of answer choices 1 x 10e-7 M 1 x…

A: Introduction: pH is an indicator that helps to determine whether the solution is acidic or basic. It…

Q: FREE RESIDUAL CHLORINE IS 1. Chloramide compounds 2. hypochlorous or chloric acid 3. haloform…

A: Introduction :- The quantity of chlorine that remains in the water after a given period or contact…

Q: Which of the following is MOST soluble in polar solvents? A H3C LOH В с D В OD Oc О А H3C. HO л HC…

A: In the given image, structures A, B, and C represents fatty acids. A is a saturated fatty acid.…

Q: + + NH3 NH3 pk, CH2 CH2 čoQH ČO0- At pH 3.34 will you have more or less ionization of the acid?…

A: Acids are substances that can readily donate a proton. Amino acids are molecules made of an amine…

Q: How many H2O particles were produced by creating the following structure? R H R R -N-Ç, H-N-C,- H H…

A: Extention of a polypeptide chain is a typical dehydration reaction where OH from carboxyl group and…

Q: Solution A is 20 degrees celsius, Solution B is 80 degrees celsius (both are the same kind of…

A: The amount of heat required per unit mass to increase the temperature by one degree Celsius is known…

Q: Is it a?

A: Protein is an organic nitrogenous macromolecule that is required for human health. In the human…

Q: The pOH of a solution of NaOH is 11.30. What is the [H+] for this solution? O 2.0 x 10-3 O 2.5 x…

A: pH is the measure of the concentration of hydrogen ions in a given solution. It is measured on a log…

Q: Each value represents a different aqueous solution at 25 °C. Classify each solution as acidic,…

A: Note: Since you have posted a question with multiple subparts, we will solve the first three…

Q: Two teaspoons of cough medicine equal _______________ milliliters of cough medicine.

A: Liquid medications are used for patients suffering from a variety of illnesses. It is easier to…

Q: A buffer solution is 0.40 M in acetic acid and 0.38 M sodium acetate (Ka= 1.75X10). Calculate the…

A: Given Values: Ka value of acetic acid = 1.75×10-5 Concentration of acetic acid = 0.4 M Concentration…

Q: In 5H2O how many hydrogen (H) atoms are present

A: Hydrogen atom is chemical atom which has atomic mass and number as 1. It has a single proton In it's…

Question

T
At pH=2.2, which of the following is true
ÇOOH
ÇO0
Ç00
HN-CH
H,N-CH
H&N-CH
HN-CH
CH2
CH2
CH,
pK2
CH2
CH2
pK,
CH2
pKR
CH2
CH2
COOH
СООН
COO
COO-
II
IV
O 50 % of carboxylic acid group in the side chain is ionized
O Most of the molecules are in the form II
None
50% of carboxylic acid group attached to alpha carbon is ionized
50% of amino group is ionized

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

Step 2

Step 3

Step 4

Step by step

Solved in 4 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biochemistry and related others by exploring similar questions and additional content below.

Similar questions

At pH=2.2, which of the following is true COOH Ç00 COO ÇO0 H3N-CH H,N-CH H,N-CH H2N-CH CH2 CH2 CH CH2 pK1 CH2 pKr CH2 pK, CH2 CH COOH СООН CO COO 1. II IV O50 % of carboxylic acid group in the side chain is ionized O Most of the molecules are in the form II C None 50% of carboxylic acid group attached to alpha carbon is ionized 50% of amino group is ionized
You have a mixture of 4 amino acids (Q, W, E, R, T) that you want to separate using ion exchange chromatography. Which of these amino acids would bind most strongly to a DEAE anion exchange column at pH 7? Q W E R T
The amino acid arginine ionizes according to the following scheme: NH, NH2 NH2 H NH, C=N C=N C=N C=N-H pk = 2.17 -H pK. = 8.99 -H pK = 125 -H* H. NH NH NH NH H (CH,)a H (CH), +H* (CH)a (CH,)a H,N-C-coo- +H* +H* H-N*-C-COOH H-N-C-Co- H,N-C-co- H. нн H. H II II IV (a) Calculate the isoelectric point of arginine. You can neglect contributions from form I. Why? (b) Calculate the average charge on arginine when pH = 9.20. (Hìnt: Find the average charge for each ionizable group and sum these together.) (c) Is the value of average charge you calculated in part b reasonable, given the pl you calculated in part a? Explain your answer.
Amino acids are the building units of proteins. These compounds contain at least one amino group and a carboxyl group. Glycine exists in three possible types, depending on the pH of the solution. Fully protonated: Dipolar ion: Completely ionized: pH 1.0; Predict which structure of glycine might be dominant at pH 7.0 and pH 12.0. The pKa value of the carboxyl group is 2.3 and the ammonium group is 9.6.Please explain.
draw the primary structure of the polypeptide at physiological pH range of 7.35-7.45 put the name of each part and the charge pls then compute for the isoelectric point please show complete solution DYINWAH
H онн C-C-N -C C-N OH +H20 HH H. H N- C-N-C-C OH OH H. R R The chemical reaction illustrated in the accompanying figure H H C-N-C-C OH N- -C OH R R The chemical reaction illustrated in the accompanying figure O links two monomers to form a polymer separates two phospholipids in a bilayer breaks a peptide bond is a hydrolysis reaction in a polysaccharide A piece of DNA has the following sequence: 5' TCATGG 3'. What would be the sequence of the complementary strand? O 3'AGTACC 5' O S' AGTACC 3 O3 CCATGA 5 O s CCATGA 3 Refer to the accompanying figure. RNA at the beginning of the strands are shaded in lighter color. Identify th leading strand in this figure! O a O b HICIR
draw the primary structure of the polypeptide at physiological pH range of 7.35-7.45 put the name of each part and the charge pls then compute for the isoelectric point please show complete solution DFACKT
Molecule Amino Acid (Glycine R=H) Glycerol a-glucose Molecular Formula Variable C2H5NO2 Structural Formula H CH₂ H H H I I H-C-C I I I H H H H I H I H H L H I H H CH3 0 N-H-- H H Ite H OH H H H H I C
draw the primary structure of the polypeptide at physiological pH range of 7.35-7.45 put the name of each part and the charge pls then compute for the isoelectric point please show complete solution DEHINS
(i) Identify the type of sphingolipids A and B in Figure 2. CHS A CH3 в Figure 2 (ii) What structural similarities are shared by sphingolipids and proteins? (iii) Why are sphingolipids abundant in cell membrane?
Glycerolphospholipid head groups include coline, ethanolamine, glycerol and serine. Which of these groups can use hydrogen bonding or rather participate in in. And why?
Match the following sentences with their lipid group. Fatty acids Steroids Long chain of C atoms with carboxylic acid Can be cis or trans Three form triglycerides Cholesterol is the most important Can be saturated or unsaturated with H Estrogen, progesterone, and testerone Used to make soap Can be changed through hydrogenation Cyclic hydrocarbon nucleus with side groups Answer Bank Incorrect The following amine acids are given. он CH3 O *H,N-bH- Serine Alanine Draw serylalanine. (condensed structure, geometry does not matter) H,N - CH, CH, CH Incorrect