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Q2. Below is a reaction in the oxidative phase of the pentose phosphate pathway catalyzed by...
Section: 14.4 Gluconeogenesis Section 14.5 13) The oxidative phase of the pentose phosphate pathway: a converts...
Section: 14.4 Gluconeogenesis Section 14.5 13) The oxidative phase of the pentose phosphate pathway: a converts pentoses to hexoses. b. produces ribulose-5-phosphate and NADPH for biosynthetic processes. c. is reversible under physiological conditions. d. has an enzyme requiring thiamine pyrophosphate as a coenzyme. Section: 14.5 Pentose Phosphate Pathway of Glucose Oxidation 14) The nonoxidative phase of the pentose phosphate pathway: a. has a heptose intermediate. b. is irreversible under physiological conditions. c. is impaired in glucose-6-phosphate dehydrogenase deficiency. d. is...
QUESTION 2 (A) The pentose phosphate pathway is comprised of two phases. Why are both phases...
QUESTION 2 (A) The pentose phosphate pathway is comprised of two phases. Why are both phases necessary for the survival of the cell? (2pts) (B) In the non-oxidative phase of the pentose phosphate pathway ribose 5-phosphate is converted to fructose 6-phosphate. Why does this pathway require so many enzymatic steps? What benefit does each step provide? (4 pts) (C) Many cancer drugs are effective because they reduce cell proliferation by reducing the amount of base material needed for cell division...
There are 3 parts to this question (AC) 5. Concerning the pentose phosphate pathway. A In...
There are 3 parts to this question (AC) 5. Concerning the pentose phosphate pathway. A In the nonoxidative phase of the pentose phosphate pathway, from where does the xylulose-5-phosphate come? B. At the end of the nonoxidative portion of the pentose phosphate pathway the result is 2 molecules of fructose-6-phosphate and 1 molecule of glyceraldehyde-3-phosphate Toget this, how many times did the oxidative phase have to run lie, how many glucose-6-phosphate molecules were used? C. How many total NADPH will...
Need help in drawing out a map pathway of pentose phosphate pathway and pyruvate dehydrogenase/citric acid...
Need help in drawing out a map pathway of pentose phosphate pathway and pyruvate dehydrogenase/citric acid cycle. please include all the sub-reaction of the pyruvate dehydrogenase complex. Remember to include the typical regulatory steps and their common activators/ inhibitors. For the pathway provide a chemical structure of all reactant and product of all biochemical steps. A structure such as ATP, ADP, NADH, NADP, and NADPH no need to provide structure. Furthermore, give the name of the enzyme catalyzing each reaction...
Hi , why net reaction in this ppt slide for pentose phosphate pathway multiple to *6...
Hi
, why net reaction in this ppt slide for pentose phosphate pathway
multiple to *6 ?
I think it should be like this :
The net reaction 6G-6-P + 12NADP+ → 6R-5-P + 12NADPH + 6CO2 oxidative reactions of pentose phosphate pathway Ribose Sedoheptulose Fructose Glucose 5-phosphate 7-phosphate 6-phosphate 6-phosphate Isomerase 1 phosphohexose Isomerase epimerase 1 ſtransketolase transaldolase Xylulose Glyceraldehyde Erythrose Fructose 5.phosphate 3.phosphate 4-phosphate 6-phosphate fructose 1,6- bisphosphatase aldolase transketolase triose phosphate Xylulose Isomerase 5-phosphate Glyceraldehyde 3-phosphate Figure...
Hi the automatic grader for my biochemistry assignment is saying im getting things wrong but i...
Hi the automatic grader for my biochemistry assignment is saying
im getting things wrong but i cannot figure out which. Please tell
me which are wrong with corrected answers. Thanks!
DUE AT MIDNIGHT PLEASE HELP ASAP
Question 33 (2.5 points) Saved Which of the following is true regarding fatty acid synthesis? This is a mitochondrial process. The primary product of this pathway is a 12C saturated fatty acid The rate-limiting step of this pathway forms the four-carbon product, malate. The...
During the Calvin cycle, the metabolic pathway in which coz is faced during photosynthesis, dihydroxyacetone phosphate...
During the Calvin cycle, the metabolic pathway in which coz is faced during photosynthesis, dihydroxyacetone phosphate (DHAP) and erythrose 4-phosphate (E4P) are combined to form sedoheptulose-1,7-bisphosphate (SBP): DHAP E4P SBP CHOPO C=0 + H-C-OH H-C-OH CHOPOS CHOPOS H-C=0 c=0 HO-C-H CH,OH H-C-OH нес-он H-C-OH CHOPO Question 5a (1 pt): This reaction resembles the reverse of one reaction in glycolysis. Which reaction is it and what is the enzyme that catalyzes it? Question 5b (1 pt): In the space below, write...
(8 pts) During glycolysis (a biological pathway we will investigate later in the semester), glyceraldehyde- 3-phosphate...
(8 pts) During glycolysis (a biological pathway we will investigate later in the semester), glyceraldehyde- 3-phosphate is oxidized and phosphorylated to a carboxylic acid derivative (a phosphoanhydride). Using thermodynamic values for the catalyzed and uncatalyzed reactions below, determine equilibrium constant (K ) for the reaction. At STP, does the reaction equilibrium lie on the reactants or products side of the reaction? Glyceraldehyde- CH2OPO,2- 3-Phosphate CH,OPO, Dehydrogenase НО. HO OPO, Н NADH NAD -at STP (AG°° = 6.3 kJ/mol), calculate Key...
1. The reaction below is usually an enzyme-catalyzed process in the biosynthesis of amino acids. he...
1. The reaction below is usually an enzyme-catalyzed process in the biosynthesis of amino acids. he imine below, when treated with acid and water, converts to the corresponding aldehyde and the amino acid alanine. Provide a mechanism for this process using only acid and water. CO2H H+ CO2H HO OPO32 OP032+ H2O NH2 alanine
The lysozyme reaction is shown below: 1. The lysozyme reaction is a bimolecular enzyme-catalyzed reaction. The...
The lysozyme reaction is shown below:
1.
The lysozyme reaction is a bimolecular enzyme-catalyzed reaction.
The two substrates are the NAG-NAM polymer and a water molecule.
What bimolecular kinetic model will lysozyme follow? Justify your
answer.
2. Typically, we would confirm the bimolecular model with a set
of kinetic experiments and the resulting Lineweaver-Burk plots.
Explain why it would be experimentally difficult to use this
strategy for lysozyme.
Glu-35 Glu-35 H00 HO НО Lo—NAG HO— HO-NAG + H20_ NAG. NAG...
Section: 14.4 Gluconeogenesis Section 14.5 13) The oxidative phase of the pentose phosphate pathway: a converts pentoses to hexoses. b. produces ribulose-5-phosphate and NADPH for biosynthetic processes. c. is reversible under physiological conditions. d. has an enzyme requiring thiamine pyrophosphate as a coenzyme. Section: 14.5 Pentose Phosphate Pathway of Glucose Oxidation 14) The nonoxidative phase of the pentose phosphate pathway: a. has a heptose intermediate. b. is irreversible under physiological conditions. c. is impaired in glucose-6-phosphate dehydrogenase deficiency. d. is...
QUESTION 2 (A) The pentose phosphate pathway is comprised of two phases. Why are both phases necessary for the survival of the cell? (2pts) (B) In the non-oxidative phase of the pentose phosphate pathway ribose 5-phosphate is converted to fructose 6-phosphate. Why does this pathway require so many enzymatic steps? What benefit does each step provide? (4 pts) (C) Many cancer drugs are effective because they reduce cell proliferation by reducing the amount of base material needed for cell division...
There are 3 parts to this question (AC) 5. Concerning the pentose phosphate pathway. A In the nonoxidative phase of the pentose phosphate pathway, from where does the xylulose-5-phosphate come? B. At the end of the nonoxidative portion of the pentose phosphate pathway the result is 2 molecules of fructose-6-phosphate and 1 molecule of glyceraldehyde-3-phosphate Toget this, how many times did the oxidative phase have to run lie, how many glucose-6-phosphate molecules were used? C. How many total NADPH will...
Hi
, why net reaction in this ppt slide for pentose phosphate pathway
multiple to *6 ?
I think it should be like this :
The net reaction 6G-6-P + 12NADP+ → 6R-5-P + 12NADPH + 6CO2 oxidative reactions of pentose phosphate pathway Ribose Sedoheptulose Fructose Glucose 5-phosphate 7-phosphate 6-phosphate 6-phosphate Isomerase 1 phosphohexose Isomerase epimerase 1 ſtransketolase transaldolase Xylulose Glyceraldehyde Erythrose Fructose 5.phosphate 3.phosphate 4-phosphate 6-phosphate fructose 1,6- bisphosphatase aldolase transketolase triose phosphate Xylulose Isomerase 5-phosphate Glyceraldehyde 3-phosphate Figure...
Hi the automatic grader for my biochemistry assignment is saying
im getting things wrong but i cannot figure out which. Please tell
me which are wrong with corrected answers. Thanks!
DUE AT MIDNIGHT PLEASE HELP ASAP
Question 33 (2.5 points) Saved Which of the following is true regarding fatty acid synthesis? This is a mitochondrial process. The primary product of this pathway is a 12C saturated fatty acid The rate-limiting step of this pathway forms the four-carbon product, malate. The...
During the Calvin cycle, the metabolic pathway in which coz is faced during photosynthesis, dihydroxyacetone phosphate (DHAP) and erythrose 4-phosphate (E4P) are combined to form sedoheptulose-1,7-bisphosphate (SBP): DHAP E4P SBP CHOPO C=0 + H-C-OH H-C-OH CHOPOS CHOPOS H-C=0 c=0 HO-C-H CH,OH H-C-OH нес-он H-C-OH CHOPO Question 5a (1 pt): This reaction resembles the reverse of one reaction in glycolysis. Which reaction is it and what is the enzyme that catalyzes it? Question 5b (1 pt): In the space below, write...
(8 pts) During glycolysis (a biological pathway we will investigate later in the semester), glyceraldehyde- 3-phosphate is oxidized and phosphorylated to a carboxylic acid derivative (a phosphoanhydride). Using thermodynamic values for the catalyzed and uncatalyzed reactions below, determine equilibrium constant (K ) for the reaction. At STP, does the reaction equilibrium lie on the reactants or products side of the reaction? Glyceraldehyde- CH2OPO,2- 3-Phosphate CH,OPO, Dehydrogenase НО. HO OPO, Н NADH NAD -at STP (AG°° = 6.3 kJ/mol), calculate Key...
1. The reaction below is usually an enzyme-catalyzed process in the biosynthesis of amino acids. he imine below, when treated with acid and water, converts to the corresponding aldehyde and the amino acid alanine. Provide a mechanism for this process using only acid and water. CO2H H+ CO2H HO OPO32 OP032+ H2O NH2 alanine
The lysozyme reaction is shown below:
1.
The lysozyme reaction is a bimolecular enzyme-catalyzed reaction.
The two substrates are the NAG-NAM polymer and a water molecule.
What bimolecular kinetic model will lysozyme follow? Justify your
answer.
2. Typically, we would confirm the bimolecular model with a set
of kinetic experiments and the resulting Lineweaver-Burk plots.
Explain why it would be experimentally difficult to use this
strategy for lysozyme.
Glu-35 Glu-35 H00 HO НО Lo—NAG HO— HO-NAG + H20_ NAG. NAG...
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