Asked by: Zoltan Tresserras
science chemistry

What does the ETC do?

Last Updated: 10th January, 2020

The electron transport chain (aka ETC) is aprocess in which the NADH and [FADH2] produced duringglycolysis, β-oxidation, and other catabolic processes areoxidized thus releasing energy in the form of ATP. Themechanism by which ATP is formed in the ETC is called chemiosmoticphosphorolation.

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Herein, what is the electron transport chain and what are its functions?

The electron transport chain is a cluster ofproteins that transfer electrons through a membrane withinmitochondria to form a gradient of protons that drives the creationof adenosine triphosphate (ATP). ATP is used by the cell as theenergy for metabolic processes for cellularfunctions.

Furthermore, what does the electron transport chain do during cellular respiration? The function of the electron transport chain incellular respiration would be C. Providing energy, from theflow of protons down the protein channel of ATP synthase thatallows for production of ATP, as the hydrogen ions or protonsprovide the energy to phosphorylate ADP, attach an inorganicPhosphate to ADP to produce

Accordingly, what is the role of oxygen in the electron transport chain?

As it turns out, the reason you need oxygen is soyour cells can use this molecule during oxidative phosphorylation,the final stage of cellular respiration. Oxygen sits at theend of the electron transport chain, where it acceptselectrons and picks up protons to form water.

What is the electron transport chain in simple terms?

The electron transport chain consists of a seriesof redox reactions in which electrons are transferred from adonor molecule to an acceptor molecule. The underlying forcedriving these reactions is the free energy (energy available to dowork) of the reactants and products.

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Anet Intorp


How many ATP are produced in the electron transport chain?

This accounts for about two ATP molecules. Atotal of 32 ATP molecules are generated inelectron transport and oxidativephosphorylation.

Emir Senyagin


What are the products of glycolysis?

Glycolysis involves the breaking down of a sugar(generally glucose, although fructose and other sugars may be used)into more manageable compounds in order to produce energy. The netend products of glycolysis are two Pyruvate, two NADH, andtwo ATP (A special note on the "two" ATP later).

Odin Gosden


What is the purpose of fermentation?

The purpose of fermentation is to clear thepyruvate and to oxidize NADH to NAD+, which is used again inglycolysis with another glucose molecule.

Donita Oberlander


Keshia Help


How many water molecules are produced in the electron transport chain?

So, NADH results in 3 ATP and FADH2 resultsin 2 ATP. As well, one water molecule is producedeach time. Thus, the electron transport chain is an integralpart of cellular respiration because it is the major site of ATPformation.

Invencion Medela


Why is the electron transport chain important?

The electron transport chain is a system ofmolecules through which electrons are transferred togenerate ATP. It has an important role in bothphotosynthesis and cellular respiration.

Colombina Bernabe


What happens to the electron transport chain without oxygen?

Without the presence of oxygen,electrons would remain trapped and bound in the final stepof the electron transport chain, preventing furtherreaction. NADH and FADH2 are necessary to donateelectrons to the electron transportchain.

Clariza Gualotuña


Is oxygen required for glycolysis?

Glycolysis itself does not use oxygen.Glycolysis itself is the splitting of glucose into twomolecules of pyruvic acid. Though glycolysis does notrequire Oxygen itself, it does require an electroncarrier molecule called NAD+ which absorbs an electron duringglycolysis.

Gyongyver Terrades


Why do you need oxygen for cellular respiration?

Cellular respiration is the process cells use tomake energy. Cells in our body combine glucose and oxygen tomake ATP and carbon dioxide. After each of the four proteins, theelectrons end with oxygen. Oxygen combines with theelectrons and two hydrogen ions to make water.

Yubin Shamsudinov


What happens during glycolysis?

Glycolysis. During glycolysis, glucose isbroken down in ten steps to two molecules of pyruvate, which thenenters the mitochondria where it is oxidised through thetricarboxylic acid cycle to carbon dioxide and water.Glycolysis can be split into two phases, both of which occurin the cytosol.

Virgilio Vallina


What is the process of etc?

The electron transport chain (aka ETC) isa process in which the NADH and [FADH2] producedduring glycolysis, β-oxidation, and other catabolicprocesses are oxidized thus releasing energy in the form ofATP.

Azouz Shakhnovich


What is the final product of the electron transport chain?

Oxygen is the final electronacceptor
At the end of the chain theelectrons are taken up by oxygen molecules to make water.This is why oxygen is known as the final electronacceptor.

Lamiita Pitzsch


How are 32 ATP produced?

In a eukaryotic cell, the process of cellularrespiration can metabolize one molecule of glucose into 30 to 32ATP. The process of glycolysis only produces twoATP, while all the rest are produced during theelectron transport chain.

Rosalin Alfarano


What is the process of anaerobic respiration?

Process of Anaerobic Respiration
Instead, pyruvate is converted into a differentbyproduct through a fermentation process, and carbon dioxideis released as well. Two ATP molecules are generated in theprocess. The process is essentially: glucose +enzymes = carbon dioxide + ethanol / lacticacid.

Lucyna Veverka


What are the products of cellular respiration?

Most of the steps of cellular respiration takeplace in the mitochondria. Oxygen and glucose are both reactants inthe process of cellular respiration. The main product ofcellular respiration is ATP; waste products includecarbon dioxide and water.

Chelsea Masdemont


What are the components of electron transport chain?

The electron transport chain is also calledCytochrome oxidase system or as the Respiratorychain. The components of the chain includeFMN, Fe–S centers, coenzyme Q, and a series of cytochromes(b, c1, c, and aa3).

Farhan Ellard


How does Chemiosmosis produce ATP?

Hydrogen ions in the matrix space can only pass throughthe inner mitochondrial membrane through a membrane protein calledATP synthase. As protons move through ATP synthase,ADP is turned into ATP. The production of ATPusing the process of chemiosmosis in mitochondria is calledoxidative phosphorylation.

Daya Ponti


How does oxygen help in releasing energy in the electron transport chain?

The electron transport chain can convert theenergy from one glucose molecule's worth of FADH2and NADH + H+ into as many as 34 ATP. If oxygenis available, cellular respiration transfers the energy fromone molecule of glucose to 38 molecules of ATP, releasingcarbon dioxide and water as waste.