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Oxidation in chemistry is when an electron is stripped from an atom or molecule. In this case, an electron is stripped from the phosphate group in ATP so it can be used for energy, hence oxidative phosphorylation. The electron then moves through several processes that generate energy the cell can use. That's why it is most commonly referred to as the electron transport chain.
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What are three catabolic pathways that together make up the process of cellular respiration?
The three catabolic pathways that make up cellular respiration are glycolysis, the citric acid cycle (Krebs cycle), and oxidative phosphorylation (electron transport chain and chemiosmosis). Glycolysis breaks down glucose into pyruvate, which feeds into the citric acid cycle to produce ATP, NADH, and FADH2. These electron carriers then participate in oxidative phosphorylation to generate most of the ATP produced during cellular respiration.
Process when ATP is generated by transfer of electrons?
ATP is generated through the transfer of electrons in the process of oxidative phosphorylation. This process occurs in the inner mitochondrial membrane, where electrons are transferred along the electron transport chain, driving the pumping of protons across the membrane. The resulting proton gradient is then used by ATP synthase to convert ADP and inorganic phosphate into ATP through a process called chemiosmosis.
Which stage of cellular respiration requires oxygen?
The electron transport chain. Oxygen is the last electron acceptor.
What is the major function of Krebs?
The major function of the Krebs cycle, also called the citric acid cycle, is to generate energy in the form of ATP through the oxidation of acetyl-CoA derived from carbohydrates, fats, and proteins. It also produces electron carriers, such as NADH and FADH2, which play a critical role in oxidative phosphorylation to generate more ATP in the electron transport chain.
What make ATP in human body cells?
ATP is produced in human body cells through a process called cellular respiration. This process involves the breakdown of glucose molecules in the presence of oxygen, occurring in the mitochondria of the cells. ATP is generated as a result of the electron transport chain and oxidative phosphorylation.
Is the energy produced from respiration coming from the Krebs cycle or electron transport?
Most of the energy comes from the electron transport chain by oxidative phosphorylation. However there is energy produced in the Krebs cycle and Glycolysis this is called substrate level phosphorylation.
What occurs in the in the inner membrane of the mitochondria?
The inner membrane of the mitochondria is where the electron transport chain is located, which is crucial for generating ATP through oxidative phosphorylation. This membrane also contains proteins that transport molecules in and out of the mitochondria, such as ADP and ATP through the ATP synthase complex. Additionally, it forms folds called cristae that increase the surface area for electron transport chain proteins.
What is the role of oxygen in the electron transport chain?
Oxygen plays a crucial role in the electron transport chain by serving as the final electron acceptor. This allows for the production of ATP, the cell's main energy source, through a process called oxidative phosphorylation.
Generation of ATP by electron transport chain coupled with H ion pump process is called?
The generation of ATP by the electron transport chain coupled with the pumping of H+ ions across the inner mitochondrial membrane is referred to as oxidative phosphorylation. This process produces ATP by utilizing the energy generated from the electron transport chain to power the phosphorylation of ADP to ATP using the electrochemical gradient of H+ ions.
What are three catabolic pathways that together make up the process of cellular respiration?
The three catabolic pathways that make up cellular respiration are glycolysis, the citric acid cycle (Krebs cycle), and oxidative phosphorylation (electron transport chain and chemiosmosis). Glycolysis breaks down glucose into pyruvate, which feeds into the citric acid cycle to produce ATP, NADH, and FADH2. These electron carriers then participate in oxidative phosphorylation to generate most of the ATP produced during cellular respiration.
Where is the majority of ATP produced during cellular respiration?
The majority of ATP is produced during cellular respiration in the mitochondria, specifically in the process of oxidative phosphorylation that occurs in the inner mitochondrial membrane. This process involves the electron transport chain and ATP synthase to generate ATP from the energy released by the movement of electrons.
Process when ATP is generated by transfer of electrons?
ATP is generated through the transfer of electrons in the process of oxidative phosphorylation. This process occurs in the inner mitochondrial membrane, where electrons are transferred along the electron transport chain, driving the pumping of protons across the membrane. The resulting proton gradient is then used by ATP synthase to convert ADP and inorganic phosphate into ATP through a process called chemiosmosis.
Which stage of cellular respiration requires oxygen?
The electron transport chain. Oxygen is the last electron acceptor.
What is the process in which NADH transfers electrons to oxygen?
The process by which NADH transfers electrons to oxygen is called oxidative phosphorylation. This process occurs in the mitochondria and involves a series of protein complexes known as the electron transport chain. As electrons are passed along the chain, they eventually reach oxygen, which serves as the final electron acceptor, producing water as a byproduct. This process generates ATP, the cell's main energy source.
In which organelle is ATP made?
ATP is primarily produced in the mitochondria through a process called oxidative phosphorylation. The mitochondria is often referred to as the "powerhouse" of the cell due to its role in generating ATP through the electron transport chain.
What are the phases of cellular respiration?
Cellular respiration is typically divided into three main phases: glycolysis, the citric acid cycle (or Krebs cycle), and oxidative phosphorylation (electron transport chain and chemiosmosis). In glycolysis, glucose is broken down into pyruvate. The citric acid cycle completes the breakdown of glucose to carbon dioxide. Oxidative phosphorylation generates ATP using the energy released from electron transport chain reactions.
The protein responsible for production of ATP in the mitochondrial membrane is?
The protein responsible for producing ATP in the mitochondrial membrane is ATP synthase. This enzyme utilizes the electrochemical gradient generated by the electron transport chain to convert ADP and inorganic phosphate into ATP through a process called oxidative phosphorylation.
