IX. Insulin, a hormone vital in blood sugar regulation and having a polypeptide chain with disulfide linkages, loses its regulatory activity when heated at nearly 100°C for 5-10 minutes. Explain the molecular basis of this observed thermal property of insulin relative to its native structure and function. I--
Q: The following carbohydrates are disaccharide, except:* A. Maltose B. Galactose C. Lactose D.…
A: Carbohydrates are the primary building blocks of all living organisms. Carbohydrates are all made up…
Q: Which of the following is true about motion of membrane lipids? A. They can move most rapidly when…
A: Biological membranes are made up of a continuous double layer of lipid molecules that contain…
Q: This test gives red color, indicating the presence of cysteine.* A. Lead acetate test B.…
A: Cystein is a sulphur containing amino acid that is capable of forming disulphide bridges in the…
Q: Coral bleaching is caused by the large amount of bleach in the water. True False I
A: Corals become completely white when they are stressed by changes in conditions such as temperature,…
Q: Phospholipids have two fatty acyl chains and can form spherical micells in the presence of water.…
A: Phospholipids are compound lipids that are composed of fatty acids, alcohol, and a phosphate group.…
Q: Which of the following regarding disulfide bonds is/are true?
A: Proteins are polymers of amino acids which are linked by peptide/amide bonds and form primary…
Q: What class does your HindIII enzyme belong?
A: HindIII is a restriction endonuclease (RE).
Q: 1q}. 1. Why is cyanmethemoglobin method preferred than other methods? 2. In what…
A: Hi, thank you for posting the question on Bartleby. As per the guidelines we can answer only one…
Q: What carbohydrates can undergo enzymatic conversion in the oral cavity? alfa-polysaccharides lactose…
A: The oral cavity consists of salivary glands that participate in carbohydrate digestion. Salivary…
Q: Which of the following statements regarding enzyme catalysis is false? All options are false. Once…
A: Normally an energy barrier exists between substrates (S) and products (P) i.e., S -> P…
Q: Which of the following tests is used to distinguish glucose from fructose?* A. Molisch test B.…
A: Carbohydrates are polyhydroxy aldehydes or polyhydroxy ketones, or compounds that can be hydrolyzed…
Q: The T-state of hemoglobin is favored over the R-state in blood under which of the listed conditions?
A: Introduction: Hemoglobin is the most abundant porphyrin-containing compound in red blood cells…
Q: In the Lysozyme purification, if the specific activity in the elate was 108 units/mg and the…
A: Egg white is generally rich in lysozyme and hence it is used for its purification. Lysozyme provides…
Q: Consider the following properties of the protein components of a sample mixture as provided in the…
A: Proteins are composed of twenty standard amino acids attached together via peptide bonds. These…
Q: 3. Below is a polypeptide with an unknown number of amino acids. (Standard 4) One the diagram below:…
A: Since you have posted multiple questions with multiple sub-parts, we will solve the first three…
Q: Refers to a random-length fatty acid carbon chain that is covalently bonded to coenzyme A OA. acyl…
A: Coenzyme A is a coenzyme that is derived from pantothenic acid. A coenzyme A molecule is composed of…
Q: Which of the following is incorrect about the collagen structure? The covalent cross-links between…
A: Collagen is a protein made up of three alpha helices, containing repeating units of Gly-X-Y (X or Y…
Q: In the synthesis of 1 mole 1-lauroyl-2-myristoyl glycerol, the number of moles of water released is?…
A: Note : Hi ! Thank you for the question. We are authorized to answer one question at a time. Since…
Q: What happens when a protein is denatured? The chemical bonds are not impacted, but the protein shape…
A:
Q: How to calculate the percent inhibition of xanthine oxidase enzyme inhibition with a blank…
A: To determine per cent inhibition, we first need to determine the initial velocity of the enzyme in…
Q: What types of bonds form the primary structure of nucleic acids? 0 hydrophobic peptide hydrogen…
A: The nucleic acids form the genetic material of an organism. The genetic information is stored in the…
Q: The enzyme lysozyme catalyses the hydrolysis of the polymer that consists of N-acetylglucosamine…
A: A polymer made of N-acetyl muramic acid and N-acetyl glucosamine (NAM and NAG) residues consist of…
Q: In gluconeogenesis, what are the precursors of glucose? Select all that apply. lactate amino…
A: Gluconeogenesis is a process in which glucose is synthesized from non-carbohydrate precursors. This…
Q: Which of the following is the smallest amino acid?* Please choose one correct answer only. A. G B.…
A: Amino acids are consist of carboxyl, amine, hydrogen and side chain groups. Based on the side chains…
Q: Which of the following tests gives bluish green product due to the presence of carbohydrates?*…
A: Carbohydrates are polyhydroxy aldehydes or polyhydroxy ketones. Monomers of carbohydrates i.e.,…
Q: Given the active site below, which best describes the mechanism(s) of catalysis? 5 NH 2 *H₂N. HN O…
A: Active site: The area of an enzyme's active site is where substrate molecules interact and engage…
Q: Which of the following sets corresponds to polar charged amino acids? a. Ser, His, Thr b. Met, Ile,…
A: Amino acids are biomolecules that have an amino group and a carboxyl group attached to the same…
Q: Considering the monosaccharide transformation given below, and given that the reactant is a-D-…
A: As the substrate given is alpha - D- mannose which undergoes oxidation and form carboxylic acid…
Q: 1. What are the products of beta oxidation of a 21-carbon fatty acid? (Provide the number of each…
A: Fatty acids are the important components of lipids. Simple lipids are composed of fatty acids that…
Q: What would the order of elution be (first to last to come out of a size-exclusion chromatography…
A: Size exclusion chromatography is a technique for separating molecules based on their size and shape.…
Q: What is the building block of proteins?* A. Carboxylic acid B. Amino acid C. Hydrochloric acid D.…
A: Biomolecules are organic compounds produced by living organisms. They play important function as…
Q: What are the advantages and disadvantages of using the Lieberman-Burchard Test for Lipids
A: Lieberman-Burchard Test : this is the specific test used for detection of cholesterol in which…
Q: Match the following changes with the correct responses. (Some answers may be used more than once.…
A: Introduction: Histones are proteins that act as spools for the DNA to wind around. It plays a vital…
Q: Which forward are reverse primers will amplify the following sequence by PCR?…
A: As given in the question, forward and reverse primer sequences are to be identified to amplify the…
Q: A chemical reaction is more likely to occur spontaneously if A. the products of the reaction are…
A: For a reaction to occur spontaneously, the free energy change i.e delta G should be negative meaning…
Q: Which of the following pairs depict the absolute specificity of the enzyme Select one: a. All of…
A: Enzymes are specific in their action. Some enzymes are group specific, whereas others exhibit…
Q: Question 12 Match -C Helicase Primase DNA Polymerase DNA liagase Topoisomerase Proteins SSBP A. B.…
A: The genetic substance is DNA. The daughter cells obtain an exact duplicate of the parent cell's…
Q: Antidiuretic hormone secretion will increase in response to: a. Hyperkalemia b. Hyperosmolarity c.…
A: Diuretics increase the production of urine and removal of water. In contrast, Anti-diuretics…
Q: Heterotophs... a) do not require a carbon source. Ob) use organic compounds, like starch, as a…
A: Organisms can be classified based on their type of nutrition. The heterotroph are organisms that…
Q: Which of the following is incorrect? a. Hemoglobin transports oxygen through the blood from the…
A: Haemoglobin is a transport protein that is important for the transport of gases like oxygen in the…
Q: A polypeptide with a net positive charge at at pH 6.3 most likely contains amino acids with R groups…
A: Polypeptide is a polymer of amino acids linked by peptide/amide bonds with release of water…
Q: Choose the correct properties for the given fatty acid: 0 can participate in esterification…
A: Fatty acids are important micromolecules which combine together to form lipids in plants, animals…
Q: Severe alcohol intoxication can lead to deficiency of vitamin Select one: O a. B1;…
A: Alcohol intoxication is a condition which results from consumption of large amount of alcohols in a…
Q: 1. Obtain five unknown carbohydrates samples from your laboratory instructor. 2. Place approximately…
A: Carbohydrates or carbs are maconutrient consisting of Carbon, hydrogen and oxygen atoms. In nature…
Q: 2. Suppose you had allowed your dialysis experiment to continue for several days (with the beaker…
A: As given in the question, the dialysis experiment was continued for days with the beaker covered,…
Q: hoose the conditions when PDH is activated. a) acetyl CoA/CoA ratio is high b) NAD+/NADH ratio is…
A: PDH is a regulatory enzyme situated in inner mitrochondrial membrane which is comprise of three…
Q: You are supplied with an unknown protein that consists of more than 130 amino acids. Furthermore…
A: Proteins are made up of Aminoacids. There are four levels of organisation of protein structure. They…
Q: The picture below is of an amino acid called lysine: H₂N. NH₂ OH Download During a period of…
A: Glucose molecules are metabolized through the glycolytic pathway to derive energy in the form of ATP…
Q: Leventhal's Paradox is flawed because? Folding is a non-random process All of the answers are…
A: Leventhal studied protein folding in 1969 and thought that if proteins can have all possible…
Q: COO I CH₂ HC-COO HO-CH COO COO™ 1 CH₂ CH₂ COO 11 C-H COO
A: NOTE:- kindly repost 1st reaction ,as the image is blur, thus couldn't see the picture clearly.…
Step by step
Solved in 3 steps
- If phenylalanine was not an essential amino acid, would diet therapy (the elimination of phenylalanine from the diet) for PKU work?IX. Insulin, a hormone vital in blood sugar regulation and having a polypeptide chain with disulfide linkages, loses its regulatory activity when heated at nearly 100°C for 5-10 minutes. Explain the molecular basis of this observed thermal property of insulin relative to its native structure and function. Use not more than 10 short sentences for this itemInsulin-dependent diabetes is often accompanied by hypertriglyceridemia, which is an excess blood level of triacylglycerols in the form of very low density lipoproteins. Suggest a biochemical explanation.
- Insulin dependent diabetes is often accompanied by high levels of triacylglycerols in the blood. Suggest a biochemical explanation.A plant breeder has developed a new frost-resistant variety of tomato that contains higher levels of unsaturated fatty acids in membrane lipids than those found in standard tomato varieties. However, when temperatures climb above 95°F, this frost-resistant variety dies, whereas the standard variety continues to grow. Provide a likely explanation of the biochemical basis of increased tolerance to cold and increased susceptibility to heat of this new tomato variety.One mechanism by which lead exerts its poisonous effect on enzymes can be stopped by chelation therapy with EDTA. Describe this type of lead poisoning and explain why it is reversible.
- Glucosidase I catalyzes hydrolysis of specific glucosidase I is a synthetic trisaccharide, glucose-al-2- glucose-al-3-glucose-a-O(CH₂) #COOCH3. Kinetic measurements oligosaccharides containing glucose. obtained using this trisaccharide as substrate in the deoxynorjirimycin at concentrations of 50 μM (), 100 μM absence (x-x) and presence of the inhibitor 1- A) were used to prepare the (-), and 200 μM (4 Lineweaver-Burk plot below: b) Page 3 12) 7. a) V/V (nmol/hr)-1 1.S 1.0- 0.5 1/Trisaccharide (mM)-! Estimate the values for Vmax and KM for the trisaccharide substrate in the absence of the inhibitor. 0.0 -1.0 0.0 One substrate for 1.0 2.0 Determine whether inhibition by 1-deoxynorjirimycin is competitive, non-competitive or neither.Gout is a medical condition usually caused by a deficiency of the salvage enzyme hypoxanthine-guanine phosphoribosyltransferase. Uric acid accumulates in the joints and causes pain, inflammation, and in advanced disease gouty tophi. Allopurinol, an inhibitor of the enzyme xanthine oxidase, is used to treat chronic gout. Explain briefly the biochemical basis for this treatment.44. Effects of clofibrate. High blood levels of triacylglycerides are associated with heart attacks and strokes. Clofibrate, a drug that increases the activity of peroxisomes, is sometimes used to treat patients with such a condition. What is the biochemical basis for this treatment? Please Demonstrate and explain.
- What do you mean by dehydogenase. Elaborate on their function in general ?Galactose 1-phosphate: UDP-glucose uridyltransferase (GALT) is an enzyme important for the catabolism of galactose. Patients with GALT deficiency present within days of birth with feeding difficulty, fatigue, jaundice and liver problems, and failure to thrive. In addition, a buildup of galactose and its metabolites are present in the bloodstream. GALT catalyzes the following reaction in galactose catabolism. NOTE that GALT is reversible!! Classify this enzyme and explain why you classified it in this way.Unbranched homopolymer of N-acetyl glucosamine is : 1.Cellulose 2.Chitin 3.Curcumin 4.Concanavalin A
