Krebs cycle fill in the blank...
Homework Answers
Answer:
- Acetyl –CoA formed in the pyruvate dehydrogenase reaction condenses with the four-carbon compound oxaloacetae to form citrate with the elimination of coenzyme A. Since the product has three carboxyl groups, this pathway is referred to as the tricarboxylic acid cycle.
- This product then undergoes isomerization to form isocitrate. The enzyme called aconitase because the compound cis-aconitase is an intermediate of the reaction.
- Eliminates CO2 to form the 5-carbon dicarboxylic acid alpha-ketoglutarate. Oxidation also occurs, with electrons transferred from the substrate to NAD+.
Add Answer to:
Krebs cycle fill in the blank...
In reaction 1 of the Krebs cycle, acetyl-CoA formed in...
Draw the complete TCA cycle (Krebs or Citric acid cycle). Show the entry of acetyl- COA...
Draw the complete TCA cycle (Krebs or Citric acid cycle). Show the entry of acetyl- COA and the eight intermediates. Draw the chemical structures of each compound. Show the control point(s) in the pathway. Show where all CO2 is released and label the reactions where oxidation of carbon occurs.
Part B Use the structures given in the cycle shown before this part identify the enzymes involved in each step of the citric acid cycle by completing each sentence Match the words in the left column...
Part B Use the structures given in the cycle shown before this part identify the enzymes involved in each step of the citric acid cycle by completing each sentence Match the words in the left column to the appropriate blanks in the sentences on the right. View Available Hint(s) Reset Help isocitrate dehydrogenase aconitase citrate synthase fumarate hydratase succinate dehydrogenase succinyl-CoA synthetase a-ketoglutarate dehydrogenase malate dehydrogenase In step 1, oxaloacetate condenses with acetyl-CoA to form citrate, which is catalyzed by...
4. (20 points) The reaction of pyruvate to acetyl-CoA and CO2 is the bridge reaction between...
4. (20 points) The reaction of pyruvate to acetyl-CoA and CO2 is the bridge reaction between glycolysis and the citric acid cycle. The carbon atoms in pyruvate are numbered and where they end up in the products are indicated CO0Θ 2 C=O + HS-CoA 3 CH3 Pyruvate S-COA 2C=O 3 CH3 Acetyl CoA Pyruvate dehydrogenase +1 CO2 a) Is C atom 1 in CO2 in a more reduced state or more oxidized state compared to its state in pyruvate? Why?...
the citric acid cycle has 8 enzymes: citrate synthase, aconitase, isocitrase dehydrogenase,.... 1 Jom L C...
the citric acid cycle has 8 enzymes: citrate synthase,
aconitase, isocitrase dehydrogenase,....
1 Jom L C Tegulation TCA cycle (Ch. 16) 1. The citric acid cycle has eight enzymes: citrate synthase, aconitase, isocitrate dehydrogenase, a-ketoglutarate dehydrogenase, succinyl-CoA synthetase, succinate dehydrogenase, fumarase, and malate dehydrogenase. (a) Write a balanced equation for the reaction catalyzed by each enzyme. (b) Name the cofactor(s) required by each enzyme reaction. (c) For each enzyme determine which of the following describes the type of reaction(s) catalyzed:...
not sure about reaction 3 and 4 acetyl-CoA COA The reactions of the citric acid cycle...
not sure about reaction 3 and 4
acetyl-CoA COA The reactions of the citric acid cycle are shown in the figure Reactions 1, 3, and 4 are regulation points in the citric acid cycle. 1 citrate oxaloacetate 1 synthase citrate NADH + NAD malate dehydrogenase aconitase 2 malate Which of the molecules inhibits reaction 1? Isocitrate HO 17 fumarase NAD socitrate 3 dehydrogenase S D NADP ADP ОАТР O citrate synthase fumarate FADHI succinate co-ketoglutarate dehydrogenase ci-ketoglutarate NAD dehydrogenase +...
Choose the ONE BEST answer explaining how oxaloacetate and acetyl-CoA levels are balanced to maximize flux...
Choose the ONE BEST answer explaining how oxaloacetate and acetyl-CoA levels are balanced to maximize flux through the citrate cycle when energy charge in the cell is lovw Oxaloacetate is required for mitochondrial shuttle systems, and therefore it makes sense to activate pyruvate carboxylase by ATP and inhibit it by malate. None of the answers are correct. The best way to balance the input of carbon into the citrate cycle is to regulate the production of citrate using vitamins like...
Acetyl COA + H2O Coo- o coo- Citrate synthase CH2 -OH -ooc— CH2 CH2 NADH +...
Acetyl COA + H2O Coo- o coo- Citrate synthase CH2 -OH -ooc— CH2 CH2 NADH + H+ COO- Oxaloacetate Coo- Citrate Aconitase Malate dehydrogenase NAD+ - Çoo- Çoo- ---OH -O00—-H HO-CH CH2 CH2 Coo- Malate Coo- Isocitrate Isocitrate lyase Malate synthase COO- COO- Coh CH2 Acetyl COA + H2O Ho Glyoxylate coo Succinate Figure 17.23 Biochemistry, Seventh Edition 2012 W. H. Freeman and Company Question 1 (10 pts) Using diagrams show the pathway that is used to convert succinate to...
Cellular Respiration Worksheet 1.Where does each reaction take place? -Glycolysis -Fermentation -Acetyl CoA formation -Krebs Cycle...
Cellular Respiration Worksheet 1.Where does each reaction take place? -Glycolysis -Fermentation -Acetyl CoA formation -Krebs Cycle -ETC 2.What goes in/comes out of each reaction/name of each reaction? -Glycolysis -Fermentation -Acetyl CoA formation -Krebs Cycle -ETC 3.What are the electron carriers? Where are the electrons actually located? 4.What are the energy carrying molecules? Where is the energy actually located? 5.Where is oxygen used? Where’s CO2 released in cellular respiration? 6.Where is most of the ATP made? 7.What is the point/purpose of...
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...
1. If acetyl-CoA is not metabolized by the citrate cycle, its most likely metabolic fate is...
1. If acetyl-CoA is not metabolized by the citrate cycle, its most likely metabolic fate is a is used during glycolysis. b it is use to synthesize H2S. c is used to synthesize amino acids. d is used to synthesize fatty acids. e is transported across the cell membrane. 2. How is the pyruvate dehydrogenase enzyme regulated? a product inhibition b pH and the protonation state of the active site c proteolysis d covalent modification e pH and enzyme conformation...
Draw the complete TCA cycle (Krebs or Citric acid cycle). Show the entry of acetyl- COA and the eight intermediates. Draw the chemical structures of each compound. Show the control point(s) in the pathway. Show where all CO2 is released and label the reactions where oxidation of carbon occurs.
Part B Use the structures given in the cycle shown before this part identify the enzymes involved in each step of the citric acid cycle by completing each sentence Match the words in the left column to the appropriate blanks in the sentences on the right. View Available Hint(s) Reset Help isocitrate dehydrogenase aconitase citrate synthase fumarate hydratase succinate dehydrogenase succinyl-CoA synthetase a-ketoglutarate dehydrogenase malate dehydrogenase In step 1, oxaloacetate condenses with acetyl-CoA to form citrate, which is catalyzed by...
4. (20 points) The reaction of pyruvate to acetyl-CoA and CO2 is the bridge reaction between glycolysis and the citric acid cycle. The carbon atoms in pyruvate are numbered and where they end up in the products are indicated CO0Θ 2 C=O + HS-CoA 3 CH3 Pyruvate S-COA 2C=O 3 CH3 Acetyl CoA Pyruvate dehydrogenase +1 CO2 a) Is C atom 1 in CO2 in a more reduced state or more oxidized state compared to its state in pyruvate? Why?...
the citric acid cycle has 8 enzymes: citrate synthase,
aconitase, isocitrase dehydrogenase,....
1 Jom L C Tegulation TCA cycle (Ch. 16) 1. The citric acid cycle has eight enzymes: citrate synthase, aconitase, isocitrate dehydrogenase, a-ketoglutarate dehydrogenase, succinyl-CoA synthetase, succinate dehydrogenase, fumarase, and malate dehydrogenase. (a) Write a balanced equation for the reaction catalyzed by each enzyme. (b) Name the cofactor(s) required by each enzyme reaction. (c) For each enzyme determine which of the following describes the type of reaction(s) catalyzed:...
not sure about reaction 3 and 4
acetyl-CoA COA The reactions of the citric acid cycle are shown in the figure Reactions 1, 3, and 4 are regulation points in the citric acid cycle. 1 citrate oxaloacetate 1 synthase citrate NADH + NAD malate dehydrogenase aconitase 2 malate Which of the molecules inhibits reaction 1? Isocitrate HO 17 fumarase NAD socitrate 3 dehydrogenase S D NADP ADP ОАТР O citrate synthase fumarate FADHI succinate co-ketoglutarate dehydrogenase ci-ketoglutarate NAD dehydrogenase +...
Choose the ONE BEST answer explaining how oxaloacetate and acetyl-CoA levels are balanced to maximize flux through the citrate cycle when energy charge in the cell is lovw Oxaloacetate is required for mitochondrial shuttle systems, and therefore it makes sense to activate pyruvate carboxylase by ATP and inhibit it by malate. None of the answers are correct. The best way to balance the input of carbon into the citrate cycle is to regulate the production of citrate using vitamins like...
Acetyl COA + H2O Coo- o coo- Citrate synthase CH2 -OH -ooc— CH2 CH2 NADH + H+ COO- Oxaloacetate Coo- Citrate Aconitase Malate dehydrogenase NAD+ - Çoo- Çoo- ---OH -O00—-H HO-CH CH2 CH2 Coo- Malate Coo- Isocitrate Isocitrate lyase Malate synthase COO- COO- Coh CH2 Acetyl COA + H2O Ho Glyoxylate coo Succinate Figure 17.23 Biochemistry, Seventh Edition 2012 W. H. Freeman and Company Question 1 (10 pts) Using diagrams show the pathway that is used to convert succinate to...
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...
Most questions answered within 3 hours.
-
4. Without doing any calculations, predict whether the observed
∆T would increase, decrease or remain the...
asked 44 minutes ago -
Based on the range, which of the following sets of scores has
the greatest variability? 3,...
asked 1 hour ago -
Ripples in a pond travel at a velocity of 3 m/s with one peak
passing a...
asked 1 hour ago -
A man stands on the roof of a building of height 13.0 mm and
throws a...
asked 1 hour ago -
The extent to which assets are financed by borrowed funds and
other liabilities is indicated by:...
asked 2 hours ago -
Explain in detail
Germany is the fifth largest economy
explain what goods and services Germany specializes...
asked 3 hours ago -
The density of platinum is 21.45 g/mL. If a cube of platinum
with a mass of...
asked 3 hours ago -
Accounts Receivable
Sales
A/R Posting
Extended Sales Invoice
Packing Slip
Compare invoice to packing slip 2...
asked 3 hours ago -
Michaella, age 23, is a full-time law student and is claimed by
her parents as a...
asked 3 hours ago -
Why are polymers not typically casted into products?
asked 3 hours ago -
When rolling a die 129 times, what is the probability of rolling
a 6 no more...
asked 3 hours ago -
4. A call option currently sells for $7.75. It has a strike
price of $85 and...
asked 3 hours ago