explain the Krebs Cycle how you understand it. Explanation The Krebs cycle is most often referred to as the TCA cycle or the citric acid cycle. During this cycle, a multitude of metabolic events take place in the mitochondrial matrix, which is involved in cellular respiration during aerobic respiration. During this cycle, glucose and other molecules are broken down into ATP , therefore the cell's energy currency, and carbon dioxide are created. To create ATP, the Krebs cycle produces NADH and FADH2 that are necessary in the process stage of cellular respiration known as the electron transport chain. An enzyme called acetyl CoA is applied in the Krebs cycle, which provides ATP and carbon dioxide. Question: Please respond to the explanation post above on Krebs cycle

explain the Krebs Cycle how you understand it. Explanation The Krebs cycle is most often referred to as the TCA cycle or the citric acid cycle. During this cycle, a multitude of metabolic events take place in the mitochondrial matrix, which is involved in cellular respiration during aerobic respiration. During this cycle, glucose and other molecules are broken down into ATP , therefore the cell's energy currency, and carbon dioxide are created. To create ATP, the Krebs cycle produces NADH and FADH2 that are necessary in the process stage of cellular respiration known as the electron transport chain. An enzyme called acetyl CoA is applied in the Krebs cycle, which provides ATP and carbon dioxide. Question: Please respond to the explanation post above on Krebs cycle

Human Physiology: From Cells to Systems (MindTap Course List)

9th Edition

ISBN:9781285866932

Author:Lauralee Sherwood

Publisher:Lauralee Sherwood

Chapter2: Cell Physiology

Section: Chapter Questions

Problem 10RE: Using the answer code on the right, indicate which form of energy production is being described: 1....

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Although molecular oxygen (O2) does not participate directly in any of the reactions of the citric acid cycle, the cycle operates only when O2 is present. Explain this observation.
Activation of the fatty acid (converting it to fatty acyl-SCoA) requires the expenditure of 2 ATPs. Use your answers from parts B and C to calculate the total number of ATPs generated from the metabolism of a saturated fatty acid with 18 carbon atoms including both the citric acid cycle and the ββbeta-oxidation pathway as well as the initial ATP required to produce the acyl-SCoA molecule that starts the process. Express your answer as an integer.
After several days of starvation, the ability of the liver to metabolize acetyl-CoA via the citric acid cycle is severely compromised. Explain why. Your explanation should NOT exceed 20 words. The 21st word onwards will not be read and considered.
Classify each reaction or process as one that decreases or replenishes the pool of oxaloacetate available for the activity of the citric acid cycle. Assume the reactions proceed in the forward direction. Decreases the oxaloacetate pool Replenishes the oxaloacetate pool Answer Bank reaction catalyzed by PEP carboxykinase reactions of gluconeogenesis reaction catalyzed by malic enzyme reaction catalyzed by PEP carboxylase reaction catalyzed by pyruvate carboxylase
Does any step of the citric acid cycle directly produce ATP? Explain.
The citric acid cycle is frequently described as the major pathway of aerobic catabolism, which means that it is an oxygen-dependent degradative process. However, none of the reactions of the cycle directly involve oxygen as a reactant. Why is the pathway oxygen dependent?
Describe the process of oxidative phosphorylation. In your description, include the terms NADH, FADH2, ATP, mitochondria (or mitochondrial), glycolysis, citric acid cycle, electron (or electrons), proton (or protons), and oxygen. Be sure to describe how ATP molecules get produced, and how many ATP molecules are produced per FADH2 and NADH (note; NADH from outside the mitochondria generate a different number of ATP compared to NADH inside the mitochondria; your description should indicate both quantities for full credit.) vas 19llo ton lle vowor 1esb
ATP is an ALLOSTERIC INHIBITOR of the phosphofructokinase enzyme, which is a key catalyst for one of the first steps of Glycolysis. Citrate (citric acid) is a 6-carbon product of the first reaction of the Krebs Cycle (aka Citric Acid Cycle). Interestingly, Citrate enhances the inhibitory effect of ATP on phosphofructokinase. What is a likely explanation for the inhibitory effects of these molecules? Excess ATP and Citrate signal the cell that Glycolysis should be speeded up. Excess ATP and Citrate signal a positive feedback loop. Excess ATP and Citrate signal the cell that Glycolysis should be slowed. Excess ATP and Citrate compete for the active site of phosphofructokinase.
Although the outer mitochondrial membrane is permeable to all small molecules, the inner mitochondrial membrane is essentially impermeable in the absence of specific transport proteins. Consider this information answer: Present two types of benefits derived from separating the reactions of glycolysis in the cytosol from those that occur during the citric acid cycle in the mitochondrion.
Most metabolic pathways are relatively long and appear to be very complex. For example, there are 10 individual chemical reactions in glycolysis, converting glucose to pyruvate. Suggest a reason for the complexity.
The completion of one cycle of the citric acid cycle oxidizing one acetyl CoA results in net... Group of answer choices 2 ATP produced consumption of 1 molecule of citrate consumption of 1 molecule of oxaloacetate production of 2 CO2 Which of the following is not a component of the citric acid cycle? Group of answer choices Oxaloacetate Succinyl CoA Malate Pyruvate Which of the following enzymes catalyzes an anaplerotic reaction? Group of answer choices citrate synthase pyruvate dehydrogenase complex malate dehydrogenase pyruvate carboxylase
The citric acid cycle is a central metabolic pathway. In fact, it is interconnected to many pathways we have studied throughout the semester. List 6 connections between the citric acid cycle and other metabolic pathways. Be sure to state briefly the point (i.e.molecule/enzyme shared between CAC and indicated pathway) of connections.