Which of the following is the best definition of the Krebs Cycle? Select one: The way...
Which of the following is the best definition of the Krebs Cycle?
Select one:
The way cells produce CO2.
A series of chemical reactions in which NADH is produced acetyl CoA
A series of chemical reactions in which ATP is produced from glucose.
The reduction of pyruvic acid.
A method of producing ATP by phosphorylating ADP.
Homework Answers
The correct answer is A series of chemical reactions in which NADH is produced from Acetyl Coa
In this case, the Acetyl Coa is the starting point of the citric acid (Krebs Cycle). The most important product of this reaction if NADH which is considered the “reducing power” that will impulse the electron chain (in company with FADH2).
Add Answer to:
Which of the following is the best definition of the
Krebs Cycle?
Select one:
The way...
Choose the Products of the Krebs Cycle. Select one or more: FADH2 ATP CO2 Acetyl COA...
Choose the Products of the Krebs Cycle. Select one or more: FADH2 ATP CO2 Acetyl COA Pyruvic Acid NADH Proton Gradient
Which one of the following statements about glucose metabolism is correct? A. Prokaryotes do not perform...
Which one of the following statements about glucose metabolism is correct? A. Prokaryotes do not perform Krebs cycle for respiration. B. Krebs cycle involves the breakdown of a molecule of pyruvate into 6 CO2, 8 NADH, 2 FADH2, and 2 GTP molecules. C. The enzyme that catalyzes the addition of phosphate molecules to ADP in order to make ATP is called a kinase. D. In both glycolysis and Krebs cycle, the energy released from the breakdown of molecules is being...
Which of the following is not a net product of the citric acid cycle for each...
Which of the following is not a net product of the citric acid cycle for each molecule of pyruvate generated in glycolysis? Select one: a. 1 ATP (GTP) b. 1 acetyl coA c. 3 NADH d. 1 FADH2 Question 2 Which of the following is NOT an end product for an acetyl group that enters the citric acid cycle? Select one: a. ATP b. NADH c. FADH2 d. oxaloacetate Question 3 Once they have been processed through the citric acid...
PRE-KREBS/TRANSITION PHASE: In the absence of oxygen the luyunde molecules from glycolysis are converted to lactic...
PRE-KREBS/TRANSITION PHASE: In the absence of oxygen the luyunde molecules from glycolysis are converted to lactic acid. If oxygen is present, they are instead converted into 2 molecules of _which then enter the mitochondria to undergo anaerob metabolism. During this transition phase, no ATP is produced but are released. and Mitochoadrial CITRIC ACID CYCLE: The citric acid cycle occurs in the matrix Both of the molecules of Adel produced after glycolysis run through the citric acid cycle reactions. At the...
FOR BIOCHEMISTRY: 1. The end products of glycolysis are all except ______________ NADH citrate pyruvate Acetyl...
FOR BIOCHEMISTRY: 1. The end products of glycolysis are all except ______________ NADH citrate pyruvate Acetyl CoA 2. What substance is produced by the oxidation of pyruvate and feeds into the citric acid cycle? glucose Acetyl CoA O2 CO2 3. Pyruvate can only oxidize in a presence of oxygen true false 4. Which of the following is Uncharacteristic of ATP? It is formed by attaching a phosphate group to ADP with a high-energy bond When dephosphorylated, ATP becomes ADP It...
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Metabolism...
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Metabolism and Cellular Respiration Refer to Figure below as a guide to answer the folloaing questions Acetyt CoA Oxaloacetic acid CoA NADH Citric acid NAD Isocitric acid Malic acid Fumaric acid NAD co NADH -FADH FAD+ a-Ketoglutaric acid Succinic acid CO2NAD ATP Succinyl CoA ADP P NADH Figure above. Starting with citric acid and ending with oxaloacetic acid, how many ATP 6) Refer to molecules...
How many CO2 molecules are produced during glycolysis, acetyl-CoA transformation reactions, and the Krebs cycle per...
How many CO2 molecules are produced during glycolysis, acetyl-CoA transformation reactions, and the Krebs cycle per molecule of glucose? Why is this number significant? Where does the CO2 go?
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.
I need help with the following questions. Question / Based on your knowledge of the function...
I need help with the following questions.
Question / Based on your knowledge of the function of the dihydrolipoyl dehydrogenase enzyme within the pyruvate dehydrogenase complex, which of the following would directly inhibit the activity of that enzyme? ATP NADH glucose acetyl COA pyruvate Question 8 In the Krebs cycle (citric acid cycle), significant amounts of these molecules are produced. acetyl CoA reduced electron carriers ATP oxidized electron carriers citrate
Which of the following is the cleaved to release s the necessary linkage between mclecules which...
Which of the following is the cleaved to release s the necessary linkage between mclecules which must be enough energy to divenformation ofATP by transfering a pro phate to ADP? linkage a High energy bond b. Hydrogen bond STriple bond 17. How many ATP molecules are generated for each NADH molecuile tio n the memibrane trons (and protons for chemiosmosis) to the electron transpor a. One b. Three C Five d. Disulfide bond e Double bond chain in the membrane?...
Choose the Products of the Krebs Cycle. Select one or more: FADH2 ATP CO2 Acetyl COA Pyruvic Acid NADH Proton Gradient
PRE-KREBS/TRANSITION PHASE: In the absence of oxygen the luyunde molecules from glycolysis are converted to lactic acid. If oxygen is present, they are instead converted into 2 molecules of _which then enter the mitochondria to undergo anaerob metabolism. During this transition phase, no ATP is produced but are released. and Mitochoadrial CITRIC ACID CYCLE: The citric acid cycle occurs in the matrix Both of the molecules of Adel produced after glycolysis run through the citric acid cycle reactions. At the...
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Metabolism and Cellular Respiration Refer to Figure below as a guide to answer the folloaing questions Acetyt CoA Oxaloacetic acid CoA NADH Citric acid NAD Isocitric acid Malic acid Fumaric acid NAD co NADH -FADH FAD+ a-Ketoglutaric acid Succinic acid CO2NAD ATP Succinyl CoA ADP P NADH Figure above. Starting with citric acid and ending with oxaloacetic acid, how many ATP 6) Refer to molecules...
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.
I need help with the following questions.
Question / Based on your knowledge of the function of the dihydrolipoyl dehydrogenase enzyme within the pyruvate dehydrogenase complex, which of the following would directly inhibit the activity of that enzyme? ATP NADH glucose acetyl COA pyruvate Question 8 In the Krebs cycle (citric acid cycle), significant amounts of these molecules are produced. acetyl CoA reduced electron carriers ATP oxidized electron carriers citrate
Which of the following is the cleaved to release s the necessary linkage between mclecules which must be enough energy to divenformation ofATP by transfering a pro phate to ADP? linkage a High energy bond b. Hydrogen bond STriple bond 17. How many ATP molecules are generated for each NADH molecuile tio n the memibrane trons (and protons for chemiosmosis) to the electron transpor a. One b. Three C Five d. Disulfide bond e Double bond chain in the membrane?...
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