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Why is the electron transport chain characterized as aerobic?
Aerobic respiration - final electron acceptor is oxygen (O) Anaerobic respiration - final electron acceptor can besulfate (SO42-), nitrate (NO3-), sulfur (S), or fumarate....
What is the final electron acceptor of the electron transport chain that functions in aerobic oxidative phosphorylation?
oxygen
Where does the electron transport chain get its electrons from?
it gets electrons[2 eletrons from NADH and 2 electrons from FADH2] from NADH and FADH2....In case of NADH- it is directly from glycolysis but in case of FADH2-it is not directly attached to ETC but succinate is oxidised to fumarate realising FADH2
Is the following sentence true or false hydrogen servers as the final electron acceptor of the electron transports chain?
False
When does the muscle of the heart gets is blood supply?
Of course heart muscles need a blood supply for the cellular respiratory process as the blood carries the final electron acceptor oxygen which is key to oxidative phosphorylation in humans.
Which molecule could be termed the final resting place last molecule to be reduced final electron acceptor of the electrons donated by nadh and fadh2 to the etc?
Oxygen is typically considered the final electron acceptor in the electron transport chain (ETC) during cellular respiration. It accepts electrons from NADH and FADH2 to form water, which marks the end of the electron transport chain and generates ATP through oxidative phosphorylation.
An important electron and hydrogen acceptor in noncyclic pathways of ATP formation is?
Oxygen is an important electron and hydrogen acceptor in noncyclic pathways of ATP formation, such as oxidative phosphorylation in aerobic respiration. This process involves the transfer of electrons from NADH and FADH2 to oxygen, leading to the production of ATP.
What happens to pyruvate if electron acceptor is absent and What happens if electron acceptor is present?
If an electron acceptor is absent, pyruvate undergoes fermentation, resulting in the production of lactate in animals or ethanol and carbon dioxide in yeast, allowing for the regeneration of NAD+ and enabling glycolysis to continue. In contrast, if an electron acceptor is present, pyruvate enters the mitochondria and is oxidized in the citric acid cycle (Krebs cycle), leading to the production of ATP, NADH, and FADH2 through aerobic respiration. This process is more efficient in energy production compared to fermentation.
What is the electron acceptor for humans in the electron transport chain?
The electron acceptor for humans in the electron transport chain is oxygen.
Does hydrogen serve as the final electron acceptor of the electron transport chain?
No, oxygen is the final electron acceptor of the electron transport chain.
What is the final product of the ETS?
The final products of the Electron Transport System (ETS) are ATP molecules, which are the cell's main energy currency, and water molecules. Oxygen acts as the final electron acceptor to form water.
Is NAD an electron acceptor in biological processes?
Yes, NAD is an electron acceptor in biological processes.
What is the terminal electron acceptor in aerobic cellular respiration?
NAD+ is the first electron acceptor in cellular respiration (O2 is the final acceptor).
What is the most abundant acceptor released in the Kreb cycle?
A total of five 'loaded' acceptor molecules are formed, (four NADH and one FADH2) for each pyruvate molecule. Making a total of 10 'loaded' acceptor molecules because two pyruvate's are used. Therefore the most abundant acceptor released in the Kreb cycle is NADH (4 of them) vs only one FADH2.
What does FADH2 do in ETC?
FADH2 is an electron carrier similar to NADH, but only the second protein in the ETC accepts FADH2 electrons. So FADH2 is used in the ETC, but it produces less ATP due to it only entering the second protein in the ETC.
What does NADH and FADH2 power?
NADH and FADH2 are electron carriers that power the electron transport chain in cellular respiration. This process generates ATP, the cell's main energy currency, by transferring electrons from NADH and FADH2 to molecular oxygen.
Which steps in aerobic cellular respiration require oxygen?
The citric acid cycle and the electron transport chain are the steps in aerobic cellular respiration that require oxygen. Oxygen is the final electron acceptor in the electron transport chain, where it helps generate ATP by facilitating the transfer of electrons from NADH and FADH2 to oxygen.
