Which of the following is the Haworth Projection of Glucose?
Q: What is the difference between phospholipase A1 and A2?
A: The difference between the phospholipases is based on the site at which they hydrolyse…
Q: Would glucose be an inhibitor of fructose? Why?
A: Glucose: Glucose is a monosaccharide, is a major carbohydrate present in table sugar, starch and…
Q: How many ATPs are synthesized when glycerol is metabolized to ethanol?
A: Glycerol is a reduced carbon source and can be used to obtain products like enzymes and recombinant…
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: The metabolic precursor for the production of most eicosanoids is
A: Introduction: Eicosanoids are very small natural molecules that derived from film bound,…
Q: Why do adipose cells appear empty?
A: Adipose tissue are the specialized connective tissue that consists of lipid rich cells known as the…
Q: What role does cyclic AMP play in glucose regulation?
A: Cyclic adenosine monophosphate is a messenger molecule used in the signalling pathways. It is…
Q: Can any of the amino acids (pyruvate, acetyl Co A, Glyceraldehyde 3 phosphate (PGAL), alpha…
A: Gluconeogenesis is the process of synthesis of glucose from the non-carbohydrate source like amino…
Q: Why do some people call GLUT4the training glucose transporter?
A: The pancreas is both an endocrine and an exocrine gland. It is called the exocrine gland because it…
Q: What level of protein structure is hexameric insulin?
A: The pancreas has a very important role in the body. It can function as endocrine as well as…
Q: what effect does the phosphate group have on glucose
A: Introduction Glucose has the chemical formula C6H12O6 and is a simple sugar. The most abundant…
Q: Which are the Two paths are available to this glucose 6-phosphate?
A: The study of chemical reactions that occurs within living organisms is called biochemistry. This…
Q: What accounts for the fact that liver phosphorylase is a glucose sensor, whereas muscle…
A: Glycogen phosphorylase breakdown of glycogen to glucose-1-phosphate. The liver is the site for the…
Q: Determine the type of inhibition by AMP? Explain
A: Inhibitors are substances which inhibit the enzyme activity by binding to the active site or…
Q: what is the fate of glucose
A: Glucose is a simple sugar and has a molecular formula of C6H12O6. Glucose is the most abundant…
Q: What is the effect on lipid profile in case of diabetes mellitus ?
A: Insulin plays a major role in controlling fat metabolism . Therefore both type 1 and type 2 diabetes…
Q: What is thedifference between “free” and “activated” glucose?
A: Glucose is a sugar and is said to be the building block of carbohydrates. Carbohydrates are the bio…
Q: Why is acetyl phosphate considered an energy-richcompound while glucose 6-phosphate is not?
A: Energy-rich compounds are compounds having specific structural capabilities that result in a release…
Q: What are the possible sources of errors or deviations between the theoretical and experimental pKa…
A: pKa value: pKa or Acid dissociation constant is also known as acidity constant or acid-ionization…
Q: What is purine catabolism?
A: Nucleic acids are the major class of biomolecules that are important for all forms of the organism.…
Q: what are Cohesin Complexes ?
A: A sequence of events occurring in a cell, which causes the cell to divide and forms two daughter…
Q: How many high-energy phosphates are generated or consumed in converting (a) 1 mole of glucose to…
A: The phosphate-phosphate bonds formed when compounds such as adenosine diphosphate (ADP) and…
Q: What would be the result of a lack of glucose 6-phosphatase activity?
A: Glucose 6-phosphatase deficiency was caused due to lack of the enzyme glucose-6-phosphatase which…
Q: In what disease is a decrease in sphingomyelin observed?
A: Sphingomyelin, type of sphingolipid found in the cell membrane of animal cells, especially in the…
Q: With respect to glycogen, what is the likely fate of excess glucose 6-phosphate in muscle?
A: The process of glycolysis in which the glucose is converted to two molecules of pyruvate along with…
Q: How many high-energy phosphates are generated or consumed in (a) converting 1 mole of glucose to…
A: The ATP is the energy rich phosphate molecule that is utilised during the energy requiring reactions…
Q: Describe the sequence of biochemical events between the release of epinephrine into the bloodstream…
A: Epinephrine: This is an enzyme secreted by the adrenal gland and its major function is to increase…
Q: A glycogen polymer and an amylopectin polymer, each containing 100 monosaccharide subunits, are…
A: Amylopectin and glucogen are examples of branched polysaccharides.
Q: Why does the lack of glucose 6- phosphatase activity in the brain and muscle make good physiological…
A: Glucose is considered as an important energy source for all cells. It is required by the body in…
Q: During hyp[erglycemia or diabetes - what two regulatory enzymes are active? Why are they active?
A: Diabetes mellitus is a metabolic sickness commonly known as diabetes, all the more properly an issue…
Q: Draw the Stable configuration of B-D-glucose
A: Glucose is a monosaccharide with molecular formula of C6H12O6. It is formed by green plants and…
Q: What is the clinical and diagnostic significance of alpha-amylase?
A: Alpha-amylase is an enzyme that works on the hydrolysis of starch and other polysaccharides.…
Q: How does the rate of achieving steady state and the ultimate steady state intracellular glucose…
A: Glucose is a protein that can be found on the plasma membrane. Transmembrane protein is another name…
Q: What are the three stages required for the synthesis of cholesterol?
A: Cholesterol is a lipid molecule that is steroidal in nature. Cholesterol is an essential structural…
Q: Define glucose
A: Several biomolecules are present in nature that are necessary for our body. Biomolecules are simple…
Q: The most abundant intracellular thiol is _____________ .
A: Thiols are the sulfur analogue of alcohols in which sulfur takes place of oxygen in the hydroxyl…
Q: What aspect of glycogen structure does free glucose represent?
A: Glucose is C6H12O6 whereas glycogen is (C6H10O5)n . Both the structure contains six carbon atoms.…
Q: What is a major difference between transketolase and transaldolase?
A: Transketolase and transaldolase are the enzymes which is used in the HMP shunt pathway. where the…
Q: What reactions convert glucose-6- phosphate to glyceraldehyde3- phosphate?
A: Glycolysis is a catabolic reaction by which cells convert glucose (obtained from digestion of…
Q: What is the reaction catalyzed by glucose 6-phosphatase?
A: Glucose 6-phosphate : It is a glucose sugar phosphorylated at the hydroxy group on carbon 6.
Q: Can a pregnant cocker spaniel (dog) synthesize prostaglandin E2 from the dietary glucose? Yes or No.…
A: Prostaglandin E2 is considered a hormone, which plays a key role to induce labor during pregnancy.…
Q: Draw and name the most prevalent anomeric form of glucose present in physiological systems?
A: Macromolecules are types of biomolecules that are needed in large amounts for the growth and…
Q: How is the activity of amylase affected by a low pH? By a high pH? Explain.
A: Every enzyme has an active site at the substrate-binding site, and the shape of the active site…
Q: What reaction glucoamylase catalyzes and why?
A: Glucoamylase is a widely used and oldest biocatalyst in the food industry. The glucoamylase is…
Q: How many NTP molecules are required to synthesize glucose from each of the following compounds? (a)…
A: Introduction: Gluconeogenesis is a metabolic pathway that creates glucose from carbon substrates…
Q: How does fructose-2,6- bisphosphate play a role as an allosteric effector?
A: A molecule that binds to an enzyme and causes allosteric effects is known as an "allosteric…
Q: What are three heterotropic allosteric regulators of glycogen phosphorylase? Describe their effects.
A: One of the phosphorylase enzymes is Glycogen Phosphatase. Glycogen phosphorylase releases…
Q: How does phosphorylation increase the reactivity of glucose?
A: Phosphorylation is the process of adding a phosphate group to another chemical molecule by the…
Q: By what the two polypeptides of human insulin are linked together?
A: Insulin is peptide hormone secreted by pancreatic cells that is responsible for reduction of blood…
Q: What is a glucogenic amino acid? Give three examples.
A: The Fate of carbons in amino acid degradation involves in the classification of amino acids into two…
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- QUESTION 26 During gluconeogenesis, whereby liver cells convert pyruvate to glucose, Fructose-6-phosphate (F6P) is converted to Glucose-6-phosphate (G6P). If the standard equilibrium concentrations are: [F6P] = 0.52 M and [G6P] = 1.48 M, then Keq’ is ______ and the reaction is ________. Fructose-6-P ó Glucose-6-P > 1; exergonic > 1; endergonic < 1; exergonic < 1; endergonicQUESTION 5 Chymotrypsin is a pancreatic digestive enzyme that is inactive until it is secreted into the intestines, where it is hydrolyzed by the protease Trypsin. One of the fragments that results from this hydrolysis is the active form. This form of enzyme regulation is: Competitive activation O Allosteric inhibition Covalent modification O O Zymogen activation Allosteric activationQuestion 5 Enolase catalyzes the conversion of 2-phosphoglycerate to phosphoenolpyruvate + water. The standard free energy change (AG for this reaction is +1.8 kJ/mol. If the concentration of 2-phosphoglycerate is 0.045 mM and the concentration of phosphoenolpyruvate is 0.034 mM the free energy change (AG) for the enolase reaction under these conditions is: Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a -4.14 kJ/mol -7.43 kJ/mol +5.05 kJ/mol +6.60 kJ/mol e +0.50 kJ/mol f -0.75 kJ/mol +1.08 kJ/mol h -2.52 kJ/mol None of the above
- QUESTION 18 Stable molecules that resemble the transition state of enzyme catalyzed reactions are very potent inhibitors. Provide an explanation as to why these compounds are better than inhibitors based on the substrate. TT TT Paragraph v v 3 (12pt) = - E · T Arial T T, O Mashups 66 HTHL CSS CS Scanned with CamScannerQuestion 29 Cationic exchange chromatography - used for positively charged proteins O True FalseQUESTION 23 Digoxin, a toxin derived from the foxglove (shown), can be used to treat heart disorders such as atrial fibrillation. Digoxin's mechanism of action is to inhibit the Nat/K* ATPase. Which of the following is the most likely side effect of Digoxin treatment? Failure to transport glucose into cells during an extended fast Failure to transport glucose into cells after after eating a large meal Enhanced response of muscle cells to Acetylcholine Failure to transport Cl out of the cell using direct active transport 0000
- QUESTION 14 There are two possible mutations in spike protein; G76V and V180G. Which of these two mutations is less likely to occur, from protein structural considerations. G76V V180G O OQUESTION 38 In a 250µl reaction containing 0.3 nmol of a Michaelis enzyme with Km = 4.4 x 10 M and saturating substrate concentration, product was formed at an initial velocity of 6.3 x 10 M min-1. What is kcat for this enzyme? Give your answer in 3 sigfigs in scientific notation, for example 1.20 e -3 Click Save and Submit to save and submit. Click Save All Answers to save all answers. O Type here to search 78°F Mostly cloudy End 4) DII PrtScn F8 Home F9 F6 F2 F3 F4 *- & 7 8. 4. #3Question 16 A glucometer measures the electrical current produced by the redox reaction catalyzed by glucose oxidase, which converts gluconolactone to glucose. True False
- QUESTION 20 Trypsin digestion of the peptide sequence A2-P2-M3-E4-R5-G6-F7-Hg-Ag-I10-A11-H12-T13-Y14-G15-P16 results peptide fragment(s). in To elute the His-tag protein from the nickel agarose column, the elution buffer contains a high concentration of Chymotrypsin cleaves the N-terminus side of Phe, Tyr, and Trp. True O FalseQuestion 9 The product of the oxidation of glyceraldehyde 3-phosphate is: O 2-phosphoglycerate O 1,3-biphosphoglycerate O phosphoenolpyruvate O fructose 1,6-biphosphate oxaloacetate PrevicQuestion 23 In determining glucose concentration using a glucometer, the test involves an enzymatic reaction. What is the enzyme which catalyzes the conversion of glucose to gluconolactone? O a. Glucose synthetase O b. Glucose oxidase O c. Glucose reductase O d. Glucose peroxidase