match the following 1. Fructose 1,6-bisphosphate is converted to Fructose 6- phosphate through this enzyme _____...
match the following
1. Fructose 1,6-bisphosphate is converted to Fructose
6- phosphate through this enzyme _____
2. Synthesis of glucose from noncarbohydrate precursors _____
3. Stage in which two molecules of ATP are consumed _____
4. This is formed from pyruvate in yeast and several other
microorganisms through fermentation _____
5. The isomerization of glucose 6-phosphate to fructose 6-phosphate
is a coversion of an aldose into a …._____
6. Pyruvate is converted by pyruvate carboxylase into this
intermediate _____
7. Phosphofructokinase is allosterically inhibited by…. _____
8. The sequence of events that metabolizes one molecule of glucose
to two molecules of pyruvate _____
9. Phosphoenolpyruvate is converted by pyruvate by this enzyme
_____
10. An ATP-generating process in which organic compounds act as
both the donor and acceptor of electrons. _____
11. The stage in glycolysis in which ATP is generated _____
12. Phosphoenolpyruvate carboxykinase is responsible for converting
oxaloactate into this compound _____
13. Transports glucose into muscle and fat cells _____
14. Glucose is converted into this in order to trap it within the
cell._____
15. An enzyme that catalyzes the intramolecular shift of a chemical
group____
16. An allosteric enzyme that sets the pace of
glycolysis_____
17. Formed in muscle cells during intense exercise due to a lack of
oxygen_____
18. Inhibited by glucose 6-phosphate_____
19. Major site of Gluconeogenesis_____
A. Stage 1
B. Stage 2
C. Glycolysis
D. GLUT 4
E. Ethanol
F. Oxaloacetate
G. Fructose 1,6- phosphatase
H. Fermentation
I. Hypoxia
J. Lactate
K. Mutase
L. Liver
M. Gluconeogenesis
N. ATP
O. Hexokinase
P. Phosphoenolpyruvate
Q. Phosphofructokinase
R. Ketose
S. Glucose 6-phosphate
T. Pyruvate kinase
U. Kidneys
Homework Answers
Match the following:
Question: 1. Fructose 1,6-bisphosphate is converted to Fructose 6- phosphate through this enzyme _____
Answer: G. Fructose 1,6- phosphatase
Question: 2. Synthesis of glucose from noncarbohydrate precursors _____
Answer: M. Gluconeogenesis
Question: 3. Stage in which two molecules of ATP are consumed _____
Answer: A. Stage 1
Question: 4. This is formed from pyruvate in yeast and several other microorganisms through fermentation _____
Answer: E. Ethanol
Question: 5. The isomerization of glucose 6-phosphate to fructose 6-phosphate is a coversion of an aldose into a …._____
Answer: R. Ketose
Question: 6. Pyruvate is converted by pyruvate carboxylase into this intermediate _____
Answer: F. Oxaloacetate
Question: 7. Phosphofructokinase is allosterically inhibited by…. _____
Answer: F. Oxaloacetate
8. The sequence of events that metabolizes one molecule of glucose to two molecules of pyruvate _____
Answer: C. Glycolysis
9. Phosphoenolpyruvate is converted by pyruvate by this enzyme _____
Answer: T. Pyruvate kinase
10. An ATP-generating process in which organic compounds act as both the donor and acceptor of electrons. _____
Answer: H. Fermentation
Add Answer to:
match the following
1. Fructose 1,6-bisphosphate is converted to Fructose
6- phosphate through this enzyme _____...
Question 4 Q . OH ATP OH POH ОН Fructose 6-phosphate Fructose 1.6-bisphosphate Figure 1. Reaction...
Question 4 Q . OH ATP OH POH ОН Fructose 6-phosphate Fructose 1.6-bisphosphate Figure 1. Reaction catalyzed by phosphofructokinase (PFK) during glycolysis Phosphofructokinase (PFK) is an enzyme that catalyzes the conversion of fructose 6- phosphate to fructose 1,6-bisphosphate during glycolysis, as represented in Figure 1. PFK can be allosterically inhibited by ATP at high concentrations. Which of the following is the benefit of regulating glycolysis by the concentration of ATP? Glycolysis proceeds when the intracellular concentration of ATP is low,...
GLYCOLYSIS Glucose-8 phosphate + Glucose 2 Fructose-6-phosphate 3 Fructose-1,6-biphosphate Dihydroxy-acetone-phosphate 5 Glyceraldehyde-3-phosphate VT6 2 (1,3-biphosphoglycerate) 7...
GLYCOLYSIS Glucose-8 phosphate + Glucose 2 Fructose-6-phosphate 3 Fructose-1,6-biphosphate Dihydroxy-acetone-phosphate 5 Glyceraldehyde-3-phosphate VT6 2 (1,3-biphosphoglycerate) 7 3-phosphoglycerate 2-phosphoglycerate 9 phosphoenolpyruvate 10 Lactate Pyruvate Which two reactions of glycolysis requires an investment of ATP energy, and which enzyme catalyzes each reaction? Reaction Number Enzyme Reaction Number Enzyme Which two reactions of glycolysis generate energy in the form of ATP, and which enzyme catalyzes each reaction? Reaction Number Enzyme Reaction Number Enzyme Which glycolytic reaction generates energy in the form of NADH,...
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 +...
please explain answer Glycolysis. In the third step of glycolysis, the enzyme phosphofructokinase transfers a phosphate...
please explain answer
Glycolysis. In the third step of glycolysis, the enzyme phosphofructokinase transfers a phosphate group from ATP to fructose-6-phophate to generate fructose- 1,6- bisphosphate. In contrast, in step 10, the enzyme pyruvate kinase transfers a phosphate group from phosphoenolpyruvate to ADP to generate ATP. Using what you know about the standard free energy change associated with phosphate bonds, (briefly) explain why we observe this difference.
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.
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? o the phosphorylation of fructose 6-phosphate the substrate-level phosphorylation reaction whereby phosphoenolpyruvate is converted to pyruvate 0 the isomerization of glucose 6-phosphate to fructose 6-phosphate. 0 the first of the 10 reactions of glycolysis. 0
Page 1: Question 5 (1 point) ✓ Saved Match the description of cells of liver, muscle,...
Page 1: Question 5 (1 point) ✓ Saved Match the description of cells of liver, muscle, both, or neither. Consider only the gluconeogenesis and glycolysis pathways but ignore whether they have measurable rate under cellular conditions. Assume both cells have constant supplies of pyruvate and glucose and are aerobic. expresses pyruvate carboxykinase has oxaloacetic acid (OAA) as an intermediate expresses glucose 6- phosphatase 1. liver 2. muscle forms net oxaloacetic acid (OAA) 3. both does not express fructose 1,6-bisphosphatase 4....
1. 2. 3. 4. Select all that apply. Identify the reaction(s) of glycolysis inhibited by ATP □ glyceraldehyde-3-phosphate → 1,3-bisphosphoglycerate phosphoenolpyruvate +pyruvate 3-phosphoglycerate...
1.
2.
3.
4.
Select all that apply. Identify the reaction(s) of glycolysis inhibited by ATP □ glyceraldehyde-3-phosphate → 1,3-bisphosphoglycerate phosphoenolpyruvate +pyruvate 3-phosphoglycerate ~2-phosphoglycerate 1) fructose-6-phosphate→ fructose-1,6-bisphosphate . glucose glucose-6-phosphate Select all that apply. Alcohol fermentation: consumes ATP as it produces ethanol. O produces carbon dioxide begins as pyruvate is decarboxylated to acetaldehyde in a reaction catalyzed by alcohol dehydrogenase m regenerates NAD requires the enzyme alcohol dehydrogenase, In the figure below, what is the reaction occurring at the location...
To answer this question, you may reference the Metabolic Map. Select the steps of glycolysis in...
To answer this question, you may reference the Metabolic Map. Select the steps of glycolysis in which ATP is produced. glyceraldehyde 3-phosphate — 1,3-bisphosphoglycerate fructose 6-phosphate fructose 1,6-bisphosphate glucose + glucose 6-phosphate phosphoenolpyruvate - pyruvate 1,3-bisphosphoglycerate → 3-phosphoglycerate Suppose 19 glucose molecules enter glycolysis. Calculate the number of inorganic phosphate molecules required as well as the number of pyruvate molecules produced. pyruvate =
Conversely, in muscle cells, low energy charge ["activates or inhibits"] glycolysis. Specifically, AMP activates the enzyme ["phosphofructokinase...
Conversely, in muscle cells, low energy charge ["activates or inhibits"] glycolysis. Specifically, AMP activates the enzyme ["phosphofructokinase 1 or hexokinase"] . Pyruvate kinase is positively regulated by [fructose 1,6-bisphosphate or glucose 6-phosphate"] through feed-forward activation. The enzyme ["hexokinase or phosphofructokinase 1] is not affected. Choose one of the answers in the brackets.
Question 4 Q . OH ATP OH POH ОН Fructose 6-phosphate Fructose 1.6-bisphosphate Figure 1. Reaction catalyzed by phosphofructokinase (PFK) during glycolysis Phosphofructokinase (PFK) is an enzyme that catalyzes the conversion of fructose 6- phosphate to fructose 1,6-bisphosphate during glycolysis, as represented in Figure 1. PFK can be allosterically inhibited by ATP at high concentrations. Which of the following is the benefit of regulating glycolysis by the concentration of ATP? Glycolysis proceeds when the intracellular concentration of ATP is low,...
GLYCOLYSIS Glucose-8 phosphate + Glucose 2 Fructose-6-phosphate 3 Fructose-1,6-biphosphate Dihydroxy-acetone-phosphate 5 Glyceraldehyde-3-phosphate VT6 2 (1,3-biphosphoglycerate) 7 3-phosphoglycerate 2-phosphoglycerate 9 phosphoenolpyruvate 10 Lactate Pyruvate Which two reactions of glycolysis requires an investment of ATP energy, and which enzyme catalyzes each reaction? Reaction Number Enzyme Reaction Number Enzyme Which two reactions of glycolysis generate energy in the form of ATP, and which enzyme catalyzes each reaction? Reaction Number Enzyme Reaction Number Enzyme Which glycolytic reaction generates energy in the form of NADH,...
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 +...
please explain answer
Glycolysis. In the third step of glycolysis, the enzyme phosphofructokinase transfers a phosphate group from ATP to fructose-6-phophate to generate fructose- 1,6- bisphosphate. In contrast, in step 10, the enzyme pyruvate kinase transfers a phosphate group from phosphoenolpyruvate to ADP to generate ATP. Using what you know about the standard free energy change associated with phosphate bonds, (briefly) explain why we observe this difference.
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.
Question 30 (1 point) The enzyme phosphofructokinase is the major regulatory enzyme of glycolysis. What reaction does it catalyze? o the phosphorylation of fructose 6-phosphate the substrate-level phosphorylation reaction whereby phosphoenolpyruvate is converted to pyruvate 0 the isomerization of glucose 6-phosphate to fructose 6-phosphate. 0 the first of the 10 reactions of glycolysis. 0
Page 1: Question 5 (1 point) ✓ Saved Match the description of cells of liver, muscle, both, or neither. Consider only the gluconeogenesis and glycolysis pathways but ignore whether they have measurable rate under cellular conditions. Assume both cells have constant supplies of pyruvate and glucose and are aerobic. expresses pyruvate carboxykinase has oxaloacetic acid (OAA) as an intermediate expresses glucose 6- phosphatase 1. liver 2. muscle forms net oxaloacetic acid (OAA) 3. both does not express fructose 1,6-bisphosphatase 4....
1.
2.
3.
4.
Select all that apply. Identify the reaction(s) of glycolysis inhibited by ATP □ glyceraldehyde-3-phosphate → 1,3-bisphosphoglycerate phosphoenolpyruvate +pyruvate 3-phosphoglycerate ~2-phosphoglycerate 1) fructose-6-phosphate→ fructose-1,6-bisphosphate . glucose glucose-6-phosphate Select all that apply. Alcohol fermentation: consumes ATP as it produces ethanol. O produces carbon dioxide begins as pyruvate is decarboxylated to acetaldehyde in a reaction catalyzed by alcohol dehydrogenase m regenerates NAD requires the enzyme alcohol dehydrogenase, In the figure below, what is the reaction occurring at the location...
To answer this question, you may reference the Metabolic Map. Select the steps of glycolysis in which ATP is produced. glyceraldehyde 3-phosphate — 1,3-bisphosphoglycerate fructose 6-phosphate fructose 1,6-bisphosphate glucose + glucose 6-phosphate phosphoenolpyruvate - pyruvate 1,3-bisphosphoglycerate → 3-phosphoglycerate Suppose 19 glucose molecules enter glycolysis. Calculate the number of inorganic phosphate molecules required as well as the number of pyruvate molecules produced. pyruvate =
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