The ΔG of ATP hydrolysis in a test tube under standard conditions is -7.3 kcal/mol. The ΔG for the reaction A+B C under the same conditions is +4.0 kcal/mol. How would the addition of an enzyme that catalyzes A+B C most likely alter the coupled reactions?

Q: Why are some metabolic reactions coupled to the hydrolysis of ATP? To bypass metabolic regulation To…

A: During the hydrolysis of ATP, the free energy is released.

Q: Calcium ions bind to a Ca2+-ATPase which has two identical calcium sites, in two stages with apparer…

A: The value of t for this binding can be calculated as, log (τ) = -log (K)

Q: 7. (a) Consider the following hypothetical metabolic pathway: (d) Briefly summarize the regulatory…

A: (a) The metabolic flux or flux is the rate of turnover of molecules in a metabolic pathway. The…

Q: enzyme CO2 + CO2 a NADH b THDP SAM PLP

A: Given reaction is :  Identify the Co-enzyme used for this reaction = ?  Options are :

Q: What is the difference between the whole Aspartate Transcarbamoylase (ATCase) enzyme and an ATCase…

A: Allosteric enzymes are enzymes that change their conformational ensemble upon binding of an…

Q: e mitochondrial ATP synthase is a protein complex embedded in the Mitochondrial Inner Membrane. Is…

A: Since we know that electron transport chain complexes are found in the inner mitochondrial membrane…

Q: Arsenate (AsO43-) has been used as a poison since ancient times. It disturbs glycolysis by…

A: Glycolysis is the splitting of glucose molecule into pyruvate. This process takes place in the cell…

Q: . Opposites attract. The following graph shows how the AGAG for the hydrolysis of ATP varies as a…

A: (a) As the Mg2+ concentration falls, the ΔG of hydrolysis rises. Note that pMg is a logarithmic…

Q: Problem attached

A: Fatty acids are high energy storage media in our body. They can deliver more energy  than…

Q: 2. Experimental Determination of Keq' and AG If a 0.1 M solution of glucose 1-phosphate at 25 "C is…

A:

Q: Consider the malate dehydrogenase reaction from the citric acid cycle. Given the listed…

A: Given:-  ∆G° = 29.7 kJ/mol

Q: HO CH,OH CH;ČNH Protein II CH,OH HO CH,OH OH IV Is the antigenic determinant reducing or…

A: The reducing  sugars are sugars that acts as reducing  agent and reduces other species. The sugars…

Q: name: 4. Electron transfer in the mitochondrial respiratory chain may be represented by the net…

A: (a)The deltaE0 value is calculated as shown below,

Q: These are known as metabolic reactions in which large biochemical molecules are broken down to…

A: The correct ans is as given below:

Q: In the conversion of ADP to AMP and Pi via hydrolysis a. how many phosphorus-oxygen bonds are…

A: Conversion of ADP to AMP: a). The reaction for the conversion of ADP to AMP via hydrolysis is:

Q: Intracellular concentrations in resting muscle are as follows: fructose- 6-phosphate, 1.0 mM;…

A: The reaction of glycolysis runs in the muscle cells, in which fructose-6 phosphate (F6P) is…

Q: Jsing the AG° for the hydrolysis of ATP, calculate the AG for the hydrolysis of ATP in erythrocytes…

A:

Q: Consider the reaction in producing wine: C6H12O6(aq)——-> 2CO2(aq). When zymase is added to glucose,…

A:

Q: Part c

A: The ∆G0 for the conversion of X into Y is 20 kJmol-1. Since one kilojoule is equal to thousand…

Q: To answer this question, please reference the Problem Solving Video: Free Energy, ATP, and Creatine…

A: From given standard free energy table  Initially  we are forming enzymatic reaction of creatine…

Q: 5) The conversion of dihydroxyacetone phosphate (DHAP) to glyceraldehyde-3-phosphate in glycolysis…

A: As per our company guidelines we are supposed to answer only one question. Kindly repost other…

Q: In the first step of aminoacyl group linkage to a tRNA, an amino acid reacts with ATP to yield an…

A: The difference between anhydride and mixed anhydride bonds is given in the table below:

Q: Part b

A: (b)The ∆G○ for hydrolysis of ATP is -30.5 kJ/mol. The G○rxn for the overall reaction is calculated…

Q: Which of the following would occur in a mutant lacking Ferredoxin-thioredoxin reductase? (a).…

A: In this question, we have to find out the correct answer of given problem by the help of the mutant…

Q: What is the standard free energy (∆G0’) for the reduction of coenzyme Q by NADH as carried out by…

A:

Q: Based on the following information for phosphoglucoisomerase, calculate the equilbrium constant and…

A: Given: ∆G° = -14.2 kJ/mol  Gas constant (R) = 8.3145 J/mol•K

Q: The pyruvate kinase bypass in gluconeogenesis: 56. requires two enzymes. 57. is ATP-dependent. 58.…

A: 56.Pyruvate kinase bypass in gluconegenesis require two seperate enzymes pyruvate carboxylase, PEP…

Q: Why are superbases important?

A: According to Bronsted-Lowry acid base theory, any compound which is capable of accepting proton is…

Q: Wheeler and Mathews (J. Biol. Chem. 287:31218–31222 (2012)) reportedthe NAD+ and NADH concentrations…

A: Malate dehydrogenase is the enzyme that catalyzes a reversible reaction of the oxidation of malate…

Q: Sketch a curve that would describe the expected behavior of phosphofructokinase activity as a…

A: The curve that would describe the expected behavior of phosphofructokinase activity as a function of…

Q: Calculate the AG value for the oxidation of succinate using NAD*. AG" 68 kl/mol Calculate the AGe…

A: Free energy change gives the spontaneity of a reaction.

Q: Triose phosphate isomerase catalyzes the conversion of dihydroxyacetone phosphate (DHAP) into…

A: The reactant is dihydroxyacetone phosphate (DHAP). The product is glyceraldehyde-3-phosphate (G3P).…

Q: The interaction of F16BP with pyruvate kinase (PK) is an example of product inhibition. feed-forward…

A: Pyruvate kinase: It is a type of enzyme that involved in final step of Glycolysis. It basically…

Q: 2. Paracetamol NAPQI Classification: paracetamol NAPQI Reaction: Enzyme: HOʻ

A: 1) Classification Of Drug Mechanism Paracetamol is a drug used in the separation of mild pain, such…

Q: 2+ 4. The binding constant for the Mg²+ ion to ATP is about (0.1 mM)¹¹. How much energy is required…

A:

Q: ATP can bind either to the active site or to the allosteric site of the enzyme phosphofructokinase.…

A: Answer - ATP - Adenosine triphosphate is an organic compound and hydrotrope that provides energy to…

Q: Which of the following Galpha subunits activates PLC? Gi Gs Gq all of the above

A: The Gq protein activates the PLC (Phospholipids C).

Q: Malate is converted to oxaloacetate by the enzyme malate dehydrogenase in the final reaction of the…

A: Given : E° = -0.17 V E° = -0.32 V   Finds : To calculate the 1) ∆E° 2) ∆G° 3) ∆G is favorable or…

Q: If the hydrolysis of 1 M glucose 6-phosphate catalyzed by glucose 6-phosphatase has a delta G’^o of…

A:

Q: An unknown enzyme catalyzes the following reaction. Based on the reaction that is being carried out,…

A: The given amino acid is D-amino acid which is present in plants and bacterial cell wall.

Q: . Can the reaction (a) be driven by coupling to the hydrolysis of ATP (b)? The AGO value in kJ/mol…

A: The reaction occurs spontaneously when the value of change in the Standard Gibbs free energy is…

Q: A) Assuming that ubiquinone is unavailable inside of the cell, calculate the delta G and the Keq if…

A: Given , ubiquinone is present inside  the cell .

Q: Consider these three reactions and fill in the blanks below: Malate + NAD* → Oxaloacetate + NADH +…

A: If ∆G0 = +Ve (> 0) then the reaction is nonspontaneous. and ∆G0 = -Ve (< 0) then the reaction…

Q: Citrate to Isocitrate in the TCA cycle.  The standard free energy change (∆G0’) for this reaction is…

A: Reaction is Citrate(A) ----> isocitrate(B) □G = □G° + RT×ln(Q) 0.80 = 6.7 + 8.314×298×ln(B/A)…

Q: For the following reaction which takes place within the TCA cycle: fo0 NAD* HO-C-H NADH + H* CH2…

A: The question is based on the concept of chemical equilibrium. we have to calculate equilibrium…

Q: The enzyme triose phosphate isomerase is responsible in which of the following process? A.Formation…

A: The given enzyme triose phosphate isomerase is homodimeric.

Q: What are superbases and why are they important?

A: ANSWER

Q: In ATP synthase, which subunit helps to prevent a and 3 sub units from rotating as protons move…

A: The F0 region of ATP synthase consists of three main subunits a, b, and c. Six c subunits make up…

Vitamins and Coenzymes

A class of organic compounds needed in the human body for normal activities is known as vitamins. They are characterized into two parts depending upon their solubility in water. They can act as coenzymes, cofactors, or prosthetic groups for enzymes.