Tell me two uses for carbamoyl phosphate in metabolism. What reaction does rubisco catalyze?
Tell me two uses for carbamoyl phosphate in metabolism.
What reaction does rubisco catalyze?
Homework Answers
1) Carbamoyl phosphate becomes important in the urea cycle, in the liver, specifically catalyzing the reaction that produces Citrulline and Pi, this occurs in the mitochondria and is one of the steps of the formation of urea from ammonia.
2) The Rubisco catalyzes the initial step of the Calvin cycle, the fixation of carbon dioxide to an organic form, in the reaction, a CO2 molecule binds to the hydrocarbon chain of ribulose-1,5-bisphosphate, a pentose activated energetically by the phosphorylation of the two carbons located at the ends of the chain.
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Tell me two uses for carbamoyl phosphate in metabolism.
What reaction does rubisco catalyze?
pls help 3. Formation of carbamoyl phosphate and the subsequent urea cycle cost a lot of...
pls help
3. Formation of carbamoyl phosphate and the subsequent urea cycle cost a lot of ATP. How does the cell use amino acid metabolism to pay back this cost? (4 pts) 4. Adding one-carbon groups to organic molecules can be done in several ways, including by carboxylase-catalyzed reactions. What are three one-carbon donors, including coenzymes, that can be used to do this? (6 pts)
the enzyme hexokinase can catalyze the following reaction: fructose + ATP -> fructose 6 phosphate +...
the enzyme hexokinase can catalyze the following
reaction:
fructose + ATP -> fructose 6 phosphate + adp
if the deltaG of hydrolysis of fructose 6 phosphate to
fructose + Pi is -13.8 kj/mol and hydrolysis of atp to adp + pi is
-30kj/mol, calculate Keq for the reaction above (R = 8.31 j mol-1
K-1, T = 298 k
3a. The enzyme hexokinase can catalyze the following reaction: Fructose + ATP → Fructose-6-phosphate + ADP If the ΔGo of hydrolysis...
Question 4. Consider the protease chymotrypsin. a. What reaction does it normally catalyze? b. Can it...
Question 4. Consider the protease chymotrypsin. a. What reaction does it normally catalyze? b. Can it catalyze the formation of peptide bonds? Why or why not? c. Where is chymotrypsin active in the body? Can it catalyze formation of peptide bonds in this location? Why or why not?
Please help me with number 7! If there is not enough information, please tell me what...
Please help me with number 7! If there is not enough
information, please tell me what it needed so that I may add it. I
do not need part d. All I I need is part a, b, and c.
7. In the cell, the synthesis of Fructose-1,6-bisphosphate is carried out by phosphofructokinase in the reaction: Fructose-6-phosphate + ATP → Fructose-1,6-bisphosphate + ADP a. What is the AGo' for this reaction if the AGo for ATP + H2O → ADP...
What is the major role of pyridoxal phosphate in metabolism? Name a purine nucleoside. Name a...
What is the major role of pyridoxal phosphate in metabolism? Name a purine nucleoside. Name a pyrimidine nucleoside What is the difference between a nucleoside and a nucleotide. What two molecules (that contain more than 5 atoms each) are used to donate nitrogen atoms into the urea cycle? What is the role of the amino acid carnitine? What is the major role of the amino acid glutamine in nitrogen metabolism?
Please help me with Metabolism 25 marks question. Thank you very much. (a) The pentose phosphate...
Please help me with Metabolism 25 marks question. Thank
you very much.
(a) The pentose phosphate pathway seems like a biologically
wasteful process.
(i) Explain how the pathway might be wasteful compared to other
carbon metabolic pathways. (2 marks)
(ii) Explain the importance of the pentose phosphate pathway. (4
marks)
(b) Excessive nitrogen needs to be excreted from the body.
Describe the biochemical pathway(s) for nitrogen elimination. (8
marks)
(c) The following are two glycogen molecules from two different
individuals,...
what is the enzyme that would catalyze reaction a,b ,c? O0 a. CH-C-C-OH O CH-C-OH +CO2...
what is the enzyme that would catalyze reaction a,b
,c?
O0 a. CH-C-C-OH O CH-C-OH +CO2 O O I I b. CH3-C-C-OH + CO, +ATP HO-C-CH2-C-C-OH + ADP +P fructose-6-phosphate c. glucose-6-phosphate
NAD+ -dependent Glyceraldehyde-3-phosphate + Dehydrogenase from Thermoproteus tenax. 1. Name the three enzymes that catalyze irreversible,...
NAD+ -dependent Glyceraldehyde-3-phosphate + Dehydrogenase from Thermoproteus tenax. 1. Name the three enzymes that catalyze irreversible, regulated reactions in glycolysis as studied in class. 2. What is the significance of the GAPDH reaction in E. coli to glycolysis? 3. How does the reaction catalyzed by GAPDH from T. tenax presented here differ from the reaction carried out in E. coli? 4. The activity of the GAPDH enzyme was assayed in the presence of a constant amount of glyceraldehyde-3-phosphate and an...
8. Which reaction uses biotin in lipid metabolism. What is its function? 9. Ammonia in the...
8. Which reaction uses biotin in lipid metabolism. What is its function? 9. Ammonia in the body is generated by - and converted to ----which enters ----to be excreted as 10. Make a list of proteins in the body that are synthesized, used and then degraded, after they have carried out their function?
Question 30 (1 point) The enzyme phosphofructokinase is the major regulatory enzyme of glycolysis. What reaction...
Question 30 (1 point) The enzyme phosphofructokinase is the major regulatory enzyme of glycolysis. What reaction does it catalyze? the phosphorylation of fructose 6- phosphate. the substrate-level phosphorylation reaction whereby phosphoenolpyruvate is converted to pyruvate the isomerization of glucose 6-phosphate to fructose 6-phosphate. the first of the 10 reactions of glycolysis.
pls help
3. Formation of carbamoyl phosphate and the subsequent urea cycle cost a lot of ATP. How does the cell use amino acid metabolism to pay back this cost? (4 pts) 4. Adding one-carbon groups to organic molecules can be done in several ways, including by carboxylase-catalyzed reactions. What are three one-carbon donors, including coenzymes, that can be used to do this? (6 pts)
the enzyme hexokinase can catalyze the following
reaction:
fructose + ATP -> fructose 6 phosphate + adp
if the deltaG of hydrolysis of fructose 6 phosphate to
fructose + Pi is -13.8 kj/mol and hydrolysis of atp to adp + pi is
-30kj/mol, calculate Keq for the reaction above (R = 8.31 j mol-1
K-1, T = 298 k
3a. The enzyme hexokinase can catalyze the following reaction: Fructose + ATP → Fructose-6-phosphate + ADP If the ΔGo of hydrolysis...
Question 4. Consider the protease chymotrypsin. a. What reaction does it normally catalyze? b. Can it catalyze the formation of peptide bonds? Why or why not? c. Where is chymotrypsin active in the body? Can it catalyze formation of peptide bonds in this location? Why or why not?
Please help me with number 7! If there is not enough
information, please tell me what it needed so that I may add it. I
do not need part d. All I I need is part a, b, and c.
7. In the cell, the synthesis of Fructose-1,6-bisphosphate is carried out by phosphofructokinase in the reaction: Fructose-6-phosphate + ATP → Fructose-1,6-bisphosphate + ADP a. What is the AGo' for this reaction if the AGo for ATP + H2O → ADP...
Please help me with Metabolism 25 marks question. Thank
you very much.
(a) The pentose phosphate pathway seems like a biologically
wasteful process.
(i) Explain how the pathway might be wasteful compared to other
carbon metabolic pathways. (2 marks)
(ii) Explain the importance of the pentose phosphate pathway. (4
marks)
(b) Excessive nitrogen needs to be excreted from the body.
Describe the biochemical pathway(s) for nitrogen elimination. (8
marks)
(c) The following are two glycogen molecules from two different
individuals,...
what is the enzyme that would catalyze reaction a,b
,c?
O0 a. CH-C-C-OH O CH-C-OH +CO2 O O I I b. CH3-C-C-OH + CO, +ATP HO-C-CH2-C-C-OH + ADP +P fructose-6-phosphate c. glucose-6-phosphate
8. Which reaction uses biotin in lipid metabolism. What is its function? 9. Ammonia in the body is generated by - and converted to ----which enters ----to be excreted as 10. Make a list of proteins in the body that are synthesized, used and then degraded, after they have carried out their function?
Question 30 (1 point) The enzyme phosphofructokinase is the major regulatory enzyme of glycolysis. What reaction does it catalyze? the phosphorylation of fructose 6- phosphate. the substrate-level phosphorylation reaction whereby phosphoenolpyruvate is converted to pyruvate the isomerization of glucose 6-phosphate to fructose 6-phosphate. the first of the 10 reactions of glycolysis.
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