Homework Answers
1) The given reaction is the transfer of the phosphate group from ATP to Glucose to give Glucose -6-phosphate and ADP.
The given reaction is thermodynamically Favourable i.e there will be release of energy.
It means free energy will be negative. This means that the value of K will be >1 .
Free energy will be negative only if K>1
Use the figure below to answer the following question about glycolysis. Where did the phosphate group...
Use the figure below to answer the following question about glycolysis. Where did the phosphate group come from to create the second molecule shown? GLYCOLYSIS: Energy Investment Phase ATP Glucose сн,он Glucose 6-phosphate CH,OẠP Fructose 6-phosphate CH,O 2 CH2OH ADP он Кон WAO HO он HOOH OH Hexokinase VOH OH HO KOH Phosphogluco- isomerase но н ADP ATP Glycolysis Glucose Hexokinase
Energetics of Phosphorylation of Glucose - making a phospho-ester Use the data in Table to calculate...
Energetics of Phosphorylation of Glucose -
making a phospho-ester
Use the data in Table to calculate ∆G'° for
this reaction:
Glucose + Pi --> Glucose-6-phosphate + H2O
Give the answer in kJ/mole but only write the number in the box,
no units!
Hint: Is the energy going to be positive or
negative? Pay attention to the direction of the reaction!
Reflection: What does this mean? Will this
happen spontaneously in your cells?
Here are screenshots of the Table we are...
Why are these reactions for gluconeogenesis exergonic? I get that Glucose 6-phosphate -> glucose and fructose...
Why are these reactions for gluconeogenesis
exergonic?
I get that Glucose 6-phosphate -> glucose and fructose
1,6-biphosphate -> fructose 6 phosphate release Pi, but doesn't
the formation of formation of oxaloacetate and phosphoenolpyruvate
require energy ( ATP and GTP)
ruvate. CH,OH CHOPO; HO он glucose 6- phosphatase HO OH OH 94 Он glucose 6-phosphate glucose glycolysao OPOH COCHZOPO HO O HO OH fructose 1,6- bisphosphatase ,POH COCH,OH HO он OH fructose 6-phosphate OH fructose 1,6-bisphosphate HCO; + ATP ADP +...
The pathway illustrated by this figure is best known as a - the pentose phosphate pathway....
The pathway illustrated by this figure is best known as
a - the pentose phosphate pathway.
b - glycolysis.
c - the Entner-Doudoroff pathway.
d - mixed-acid fermentation.
CH,OH HOา HOV OH OH Glucose — 2ГАТО ATP 2 ADP -20,POCHO. OH HO CH,OPO,2- OH Fructose 1,6-bisphosphate OH OH H C-C-CH2 – OPO,2- C-C-CH2-OPO,2- 서 Glyceraldehyde 3-phosphate Glyceraldehyde 3-phosphate NAD+ NAD - NADH + H+ + NADH + H+ CO PO 2- H-C-OH CH2-OPO,2- 1,3-bisphosphoglycerate CO,PO, 2- H-C-OH CH, OPO,?- 1,3-bisphosphoglycerate...
QUESTION 15 Which of the following is EXERGONIC? 6 CO2 + 6H20 - glucose + O2...
QUESTION 15 Which of the following is EXERGONIC? 6 CO2 + 6H20 - glucose + O2 fructose 6-phosphate + ATP – fructose 1,6-bisphosphate + ADP (AG = -3.4 kcal/mol) glucose 6-phosphate + ATP – fructose 6-phosphate + ADP (AG = +0.5 kcal/mol) GDP - Pi GTP + H2O QUESTION 17 Fate(s) of pyruvate is(are) Check all that apply. formation of ethyl alcohol by yeasts formation of glucose by gluconeogenesis in liver cells production of ketone bodies formation of lactate under...
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
25. Recognizing Reaction Types For the following pairs of biomolecules, identify the type of reaction (oxidation-...
25. Recognizing Reaction Types For the following pairs of biomolecules, identify the type of reaction (oxidation- reduction, hydrolysis, isomerization group transfer, or internal rearrangement) required to convert the first molecule to the second. A) Acetyl-CoA Acetate + COA-S B) Citrate Isocitrate CH2-OPO CH, OH OH C) Glucose Fructose Кон кон N KOH HO нон Glucose 6-phosphate Glucose çoo- F) Glycerol (Glycerin) ÇOo- HHH F) O=C *** HO-C-H CH2 HOT . TH **1 o-=0 он он он coo COO- Oxaloacetate Glycerol-3.phosphate...
4. Our bodies need to make fructose 2,6-bisphosphate (see structure at far right). There are seve...
4. Our bodies need to make fructose 2,6-bisphosphate (see structure at far right). There are several possible strategies, two of which are shown to the right: Which reaction is more favorable? Show all of the work for full credit O. OH ATP HO он он ADP Reaction 1 HO он OH он F 2,6 BP Reaction2 он COO соо 5. In the reaction to the right (from the citric acid cycle), what type of enzyme do you think catalyzes this...
QUESTION 2 When adenosine diphosphate is phosphorylated, what small molecule is lost? H20 CO2 HCI 02...
QUESTION 2 When adenosine diphosphate is phosphorylated, what small molecule is lost? H20 CO2 HCI 02 QUESTION 4 How many carbon atoms enter the citric acid cycle at a time? 2. 4 3 6 QUESTION 7 How many molecules of ATP (NET) are produced directly from the GLYCOLYSIS of 5 molecules of glucose? 5 12.5 10 QUESTION 8 Which of the following is(are) NOT found in the electron transport chain? O2 CO2 OH ions Fe ions QUESTION 9 Which letter...
I need help answering numbers 1-12 1-12 Practice Problems Classify the enzymes that would do the...
I need help answering numbers 1-12 1-12
Practice Problems Classify the enzymes that would do the following reactions. Explain your choices. Whenever possible comment on how each reaction is related to what we have learned so far this semester. ,OH دهه متعدد Ho Онон HO OH cis-aconitic acid .1 ا citric acid OH + acetic acid 2. 00H 07OH acetylsalicylic acid (aspirin) II III: - لم . . بل --- ل OR + CO H0 H0H NH2 АТР NH2H NH2...
Use the figure below to answer the following question about glycolysis. Where did the phosphate group come from to create the second molecule shown? GLYCOLYSIS: Energy Investment Phase ATP Glucose сн,он Glucose 6-phosphate CH,OẠP Fructose 6-phosphate CH,O 2 CH2OH ADP он Кон WAO HO он HOOH OH Hexokinase VOH OH HO KOH Phosphogluco- isomerase но н ADP ATP Glycolysis Glucose Hexokinase
Energetics of Phosphorylation of Glucose -
making a phospho-ester
Use the data in Table to calculate ∆G'° for
this reaction:
Glucose + Pi --> Glucose-6-phosphate + H2O
Give the answer in kJ/mole but only write the number in the box,
no units!
Hint: Is the energy going to be positive or
negative? Pay attention to the direction of the reaction!
Reflection: What does this mean? Will this
happen spontaneously in your cells?
Here are screenshots of the Table we are...
Why are these reactions for gluconeogenesis
exergonic?
I get that Glucose 6-phosphate -> glucose and fructose
1,6-biphosphate -> fructose 6 phosphate release Pi, but doesn't
the formation of formation of oxaloacetate and phosphoenolpyruvate
require energy ( ATP and GTP)
ruvate. CH,OH CHOPO; HO он glucose 6- phosphatase HO OH OH 94 Он glucose 6-phosphate glucose glycolysao OPOH COCHZOPO HO O HO OH fructose 1,6- bisphosphatase ,POH COCH,OH HO он OH fructose 6-phosphate OH fructose 1,6-bisphosphate HCO; + ATP ADP +...
The pathway illustrated by this figure is best known as
a - the pentose phosphate pathway.
b - glycolysis.
c - the Entner-Doudoroff pathway.
d - mixed-acid fermentation.
CH,OH HOา HOV OH OH Glucose — 2ГАТО ATP 2 ADP -20,POCHO. OH HO CH,OPO,2- OH Fructose 1,6-bisphosphate OH OH H C-C-CH2 – OPO,2- C-C-CH2-OPO,2- 서 Glyceraldehyde 3-phosphate Glyceraldehyde 3-phosphate NAD+ NAD - NADH + H+ + NADH + H+ CO PO 2- H-C-OH CH2-OPO,2- 1,3-bisphosphoglycerate CO,PO, 2- H-C-OH CH, OPO,?- 1,3-bisphosphoglycerate...
QUESTION 15 Which of the following is EXERGONIC? 6 CO2 + 6H20 - glucose + O2 fructose 6-phosphate + ATP – fructose 1,6-bisphosphate + ADP (AG = -3.4 kcal/mol) glucose 6-phosphate + ATP – fructose 6-phosphate + ADP (AG = +0.5 kcal/mol) GDP - Pi GTP + H2O QUESTION 17 Fate(s) of pyruvate is(are) Check all that apply. formation of ethyl alcohol by yeasts formation of glucose by gluconeogenesis in liver cells production of ketone bodies formation of lactate under...
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
25. Recognizing Reaction Types For the following pairs of biomolecules, identify the type of reaction (oxidation- reduction, hydrolysis, isomerization group transfer, or internal rearrangement) required to convert the first molecule to the second. A) Acetyl-CoA Acetate + COA-S B) Citrate Isocitrate CH2-OPO CH, OH OH C) Glucose Fructose Кон кон N KOH HO нон Glucose 6-phosphate Glucose çoo- F) Glycerol (Glycerin) ÇOo- HHH F) O=C *** HO-C-H CH2 HOT . TH **1 o-=0 он он он coo COO- Oxaloacetate Glycerol-3.phosphate...
4. Our bodies need to make fructose 2,6-bisphosphate (see structure at far right). There are several possible strategies, two of which are shown to the right: Which reaction is more favorable? Show all of the work for full credit O. OH ATP HO он он ADP Reaction 1 HO он OH он F 2,6 BP Reaction2 он COO соо 5. In the reaction to the right (from the citric acid cycle), what type of enzyme do you think catalyzes this...
QUESTION 2 When adenosine diphosphate is phosphorylated, what small molecule is lost? H20 CO2 HCI 02 QUESTION 4 How many carbon atoms enter the citric acid cycle at a time? 2. 4 3 6 QUESTION 7 How many molecules of ATP (NET) are produced directly from the GLYCOLYSIS of 5 molecules of glucose? 5 12.5 10 QUESTION 8 Which of the following is(are) NOT found in the electron transport chain? O2 CO2 OH ions Fe ions QUESTION 9 Which letter...
I need help answering numbers 1-12 1-12
Practice Problems Classify the enzymes that would do the following reactions. Explain your choices. Whenever possible comment on how each reaction is related to what we have learned so far this semester. ,OH دهه متعدد Ho Онон HO OH cis-aconitic acid .1 ا citric acid OH + acetic acid 2. 00H 07OH acetylsalicylic acid (aspirin) II III: - لم . . بل --- ل OR + CO H0 H0H NH2 АТР NH2H NH2...
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