Q: Write a balanced equation showing peptide bond formation between threonine and aspartate.
A: Peptide bond is the bond which was formed between two amino acids where the carboly terminal of one…
Q: Consider olive oil, an oil with a high percentage of fat derived from oleic acid (otherwise known as…
A: When the two hydrogen atoms of the fatty acids which adjoin the double bond are in the same chain,…
Q: The pk, values for the carboxy and ammonium protons of phenylalanine are 2.58 and 9.24,…
A: Introduction: The isoelectric point is the pH at which an amino acid has a net charge equal to zero.…
Q: Aspartate amino acids' pI values can be calculated as follows:
A: Aspartic acid is a standard amino acid and has a carboxylic group in its side chain. Due to the…
Q: At a pH equal to the isoelectric point of alanine, the net charge on alanine is zero. Two structures…
A: Alanine have 2 ionizable groups. The alpha carboxylic acid group and the alpha amino group. All…
Q: why is significant serum (in the bloodstream) cholesterol reduction so difficult, and why do most of…
A: Serum blood cholesterol is a measure of LDL (low density lipid or bad cholesterol ) , HDL (high…
Q: Is the OH substituent of the A ring of cholesterol an a-substituent or a b-substituent?
A: In cyclic compounds β- substituents indicated by a solid wedge. So the OH substituent of the A ring…
Q: Two sugars are epimers of each other. Is it possible to convert one to the other without breaking…
A: Epimers are carbohydrates that are the same molecular formula but differ in the configuration of a…
Q: The activity of an enzyme requires a glutamic acid to display its -COOHfunctional group in the…
A: The enzyme is considered as the catalytic protein, which has the active site at which it binds the…
Q: Amylopectin has which of the following structural features? a. only α(1,4) glycosidic linkages b.…
A: Amylose is an un-branched chain polymer of D-glucose units, less soluble in water, and is a great…
Q: 1. a.Draw the fisher projection and a skeletal diagram of: An aldohexose and deoxy-ketopentose b.…
A: Sugar molecules are of two types depending upon the presence of aldehyde group or ketone group in…
Q: amino acid T
A: The Fischer projection is a two-dimensional representation of a three-dimensional organic molecule…
Q: In the deoxy state of HB, which of the following does not occur? a) An inter-chain salt bridge…
A: Because hydrogen bonds and salt bridges, or ion-pair bonds, stabilize the deoxygenated form of…
Q: Why is alpha (a) the predominant anomeric form of mannose? A. The alpha-anomer is more unstable…
A: Mannose is a monosaccharide and it is also called a polyhydroxy aldehyde. It means mannose is an…
Q: The amino acid arginine ionizes according to the following scheme: (a) Calculate…
A: Arginine is an alpha amino acid which contains alpha amino group, an alpha carboxyl group, side…
Q: Illustrate a chemical equation based on the following: a. Hydrogenation of triarachidonin to…
A: Dear students, The given question has multiple parts. According to the guidelines, we will attempt…
Q: Given a dipeptide Gly-Val, Gly: Pk,=2.34; pkK,=9.60 Val: Pk,=2.32; pK,=9.62 a. draw the protonic…
A: The peptides are biomolecules formed of more than one amino acid joined through an amide bond. The…
Q: In the chymotrypsin mechanism, which r groups would we expect to see in the two final products?…
A: Chymotrypsin is defined as an enzyme that aids in digestion, in the pancreatic juice. It acts in the…
Q: what is the cost the cost in total d carbon chain stearic acid?
A: Fatty Acid Oxidation (Beta-oxidation) To generate energy from fatty acids, they must be oxidized.…
Q: Hb Zanzibar has an AspG1(94)α to Glu mutation. Which of the following statements is TRUE?
A: Answer: Hb Zanzibar has an AspG1(94)α to Glu mutation = It is the condition where variant of alpha 1…
Q: Shown here are examples of saturated and unsaturated fatty acids. Explain what is meant by the term…
A: Fat is one of the three macronutrients which is essential for the working of the metabolic…
Q: (a) What is the net charge at neutral pH of a tripeptide containing only alanine? (b) How does the…
A: Alanine is an alpha-amino acid that is used in the biosynthesis of proteins. It contains an amine…
Q: 25. Is an anabolic reaction more likely to be exergonic or endergonic, and would this type of…
A: A metabolic response is a chemical reaction that occurs continuously in a living body, and…
Q: Using octahedral symmetry, match each ligand SALC with its most likely interaction with a meta…
A:
Q: The melting points of a series of 18-carbon fatty acids are: stearic acid, 69.6 °C; oleic acid, 13.4…
A: Fatty acids are hydrocarbon chains containing a carboxylic acid group at one end of the molecule.…
Q: но `OH H2N (a) Assign (R) or (S) configuration to the chiral center. (b) Draw the Zwitterionic form…
A: Dear students, The question has multiple subparts. Hence according to the guidelines, we will…
Q: The molecular iodine (12) in betadine is susceptible to decomposition if exposed to direct sunlight,…
A: Redox titration using iodine is used to calculate the amount of Ascorbic acid in any sample. Vitamin…
Q: The melting temperatures of osazones are easily determined and are characteristic for each. Listed…
A: Carbohydrates are abundant biomolecule in the nature. They are polyhydroxy aldehydes or ketones.…
Q: . Apamine is a small protein toxin present in the venom of the honeybee. It has the sequence…
A: Apamin is an 18-residue bee venom peptide with the sequence CNCKAPETALCARRCQQH-amide. It is an 18…
Q: The linear tripeptides are formed from the following three amino acids as the starting materials in…
A: Introduction Peptide bond: it is the amide bond which links the two amino acids together to for the…
Q: What is the common feature between an aldo- hexose and a ketohexose: A The number of secondary…
A: Introduction: Monosaccharide are the simplest group of carbohydrates commonly known as simple sugar.…
Q: Given a tripeptide Cys-His-Lys, Cys: Pk1 = 1.5; Pk2 = 10.8; PkR = 8.5 His: Pk1 = 1.6; Pk2 = 9.0; PkR…
A: Hi. Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…
Q: An enzyme (molecular weight= 24 kDa, pI= 5.5) is contaminated with two other proteins, one with a…
A: Mixture of an enzyme and two contaminated protein has to be separate to purify the enzyme. For the…
Q: Hypoglycin A, an amino acid derivative found in unripened lychee, is an acutely toxic compound that…
A: There are 20 different amino acids that exist in nature. They are involved in forming the protein…
Q: Calculate the pI of aspartate amino acids:
A: Introduction: Amino acids are macromolecule that contains two functional group amine and carboxyl.…
Q: d) in base pairing, why do we never see AG, GA, CT or TC forming complementary base pairs?
A: Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: Consider the coil-helix transition in a polypeptide chain. Let s be the relative weight for an H…
A: Introduction An unbroken, continuous chain of amino acids connected by peptide bonds is referred to…
Q: 1,2-dioleoyl-3-myristyl-sn-glycerol sn-16:0-12:0-16:0 LLnO Consider the TAGS above a. Which is most…
A: Triacylglycerides are esters of fatty acids that are hydrolyzed to form glycerol and free fatty…
Q: What is the possible identity of the AA? a. Aspartic acid b. Lysine c. Alanine d. Proline 2.…
A: Amino acids are the building blocks of proteins. 20 standard amino acids occur in different…
Q: The amino acid arginine ionizes according to the following scheme: (a) Calculate the isoelectric…
A: Amino acids are organic compounds that combine to form proteins.
Q: Does the suggestion as to why methotrexate has such a high affinity CHANGE when told that…
A: Methotrexate binds to protein with opposite orientation to folate. Methotrexate inhibit enzymes…
Q: What is the ratio of [A-]/[HA] in a solution with pH = 11.5? NH3 sh NH₂ sh + H+
A: Lysine is a basic amino acid with an amino group in its side chain. The pKa value of the lysine side…
Q: he nitrogen on the 6-membered ring of a purine comes from A、glutamine B、Aspartate C、glutamate…
A: Asked : Nitrogen on the 6-member ring of purine comes from which of given options.
Q: A) Describe the glycosidic bond (using standard convention) indicated by “Arrow a.” B) Draw the…
A: Sterols are lipids containing a steroid nucleus and an alkyl chain. The steroid nucleus is a 4 ring…
Q: 76. Glycoproteins have special linkages between carbohydrates and proteins. One of these linkages is…
A: The process of attachment of carbohydrates to protein resulting in the formation of glycoprotein is…
Q: what is the value of glycine pKa of nh3 group
A: Amino acids are organic compound having functional group carboxyl (-COOH) and amino (-NH2). pKa…
Q: Catalytic hydrogenation, used in the food industry, converts double bonds in the fatty acids of the…
A: Carboxylic acid with hydrocarbon side chain are fatty acids. Fatty acids are mostly esterified but…
![Since the pk values of aspartic acid
are 2.0, 3.9 and 10.0, aspartate
predominant species at pH=2.95:
a. [-1]
b. No charge
O c.[-2]
d. [+1]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa5bcab15-46ca-4e5b-a7d3-4c70d5b32390%2Fa5d87696-dbc9-4199-8f8a-e7703a289e17%2Fmmmxmu_processed.jpeg&w=3840&q=75)
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 3 images
- At 39.9ºC, a solution of ethanol (XetOH = 0.9006, P * etOH = 130.4 Torr) and isooctane (P * iso = 43.9 Torr) forms a vapor phase with YetOH = 0.6667. The total pressure is 185.9 a. Calculate the activity and the activity coefficient of each component.b. Calculate the total pressure the solution would have if it were ideal.c. Comparing the ideal pressure to the actual pressure, what does this indicate about the molecular interactions?For an acid HA, the concentrations of HA and A are 0.075 and 0.025, respectively, at pH 6.0. What is the p K a value for HA?The normal concentration of Ca2+ in blood is 5.0 mEq>L. How many milligrams of Ca2+ are in 1.00 L of blood?
- A 0.0284 M aqueous solution of lactic acid, HC3H5O3, a substance that accumulates in the blood and muscles during physical activity, is found to be 6.7% ionized. Determine the value of Ka for lactic acid.Nutritional biochemists have known for decades that acidicfoods cooked in cast-iron cookware can supply significantamounts of dietary iron (ferrous ion).(a) Write a balanced net ionic equation, with oxidation numbers,that supports this fact.(b) Measurements show an increase from 3.3 mg of iron to49 mg of iron per 1/2 -cup (125-g) serving during the slow prepa-ration of tomato sauce in a cast-iron pot. How many ferrous ionsare present in a 26-oz (737-g) jar of the tomato sauce?Given the titration curve of the hypothetical polyprotic acid X at 0.100 M concentration (pKa1=4.0, pKa2=8.0, pKa3=12.0) titrated with 0.600 M NaOH, identify the pH at point C, H, E, and M.
- You have an initial solution in which you added quantities of “A” and “B” such that there is 4.5 M “A” and 2.5 M “B” and no complex (“AB”) at time 0. After equilibrium, you are able to isolate and quantitate the “AB” complex, and find its concentration is 1.5 M. Given that RT is 0.59 kcal/mol, what is the delta Go’ for the association reaction?if the absorbance of pure chlorophyll a in a 1 cm cell is 0.876 at 530 nm and the concentration is 8.66 x 10^-6 M, what is the molar extinction coefficient of chlorophyll a?Consider the following pH titration curve of a diprotic acid. What is the approximate values for pka 1 and pka 2? the curve is attached below.
- The reaction quotient is Q=1.6×10-26 Part B What pH is needed to produce this value of Q if the concentration and pressure values are [Br2]=2.50×10−4M , [Br−]=11.65M, [SO42−]=9.50M, and PSO2=3.50×10−5atm ? Express your answer numerically to two decimal places.Calculate the number of milliliters (mL) of a solution which contains 16 g of BaCl2 per liter which will be required to precipitate the sulfur as BaSO4 in a 0.60 g sample that contains 12% S.How many moles of Na2S2O3 would be required to react completely with 0.450 g of AgBr?