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The electrons that are transferred during cellular respiration are carried in what molecules?
There are two electron carriers produced in the citric acid (Krebs Cycle). The first is NAD+ or NADH in its reduced form. The other is FAD+ which becomes FADH2 after being reduced. One turn of the citric acid cycle produces 1 and 3 molecules of FADH2 and NADH respectively.
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What part of a glucose molecule provides electrons in cellular respiration?
The hydrogen atoms attached to the carbon atoms in the glucose molecule provide electrons during cellular respiration. These electrons are transferred to the electron transport chain to produce ATP.
Where do the electrons used in the electron transport chain come from?
The electrons used in the electron transport chain come from the breakdown of molecules like glucose during cellular respiration.
What molecules serve as intermediate electron carriers in the process of cellular respiration?
NAD+ (nicotinamide adenine dinucleotide) and FAD (flavin adenine dinucleotide) serve as intermediate electron carriers in cellular respiration. They accept electrons from the breakdown of glucose and transfer them to the electron transport chain for the production of ATP.
Which area produces the most ATP in cellular respiration?
The electron transport chain in the mitochondria produces the most ATP in cellular respiration. This is where the majority of ATP is generated through oxidative phosphorylation by harvesting the energy from electrons transferred along the chain.
When glucose is oxidized to CO2 and water approximately 40 of its energy is transferred to?
Approximately 40% of the energy from glucose oxidation is transferred to ATP molecules through the process of cellular respiration. The rest of the energy is lost as heat. ATP can then be used as an energy source for various cellular processes.
Where is NADPH electrons from?
NADPH electrons are ultimately derived from the high-energy electrons transferred from nutrients such as glucose during cellular respiration. These electrons are transferred through a series of reactions that generate NADPH in the cell.
How the carbon atom is transferred between molecules?
Carbon atoms can be transferred between molecules through chemical reactions such as oxidation, reduction, or substitution. For example, in cellular respiration, carbon atoms are transferred between molecules in the form of carbon dioxide and glucose. This transfer of carbon atoms allows for the formation of new compounds and molecules.
Is Fermentation the opposite of cellular respiration?
No, fermentation is another form of respiration. It occurs when there is no final acceptor for the electrons in the transport chain. The opposite process of cellular respiration is photosynthesis because it builds up the molecules that respiration breaks down.
Where is energy stored in NADH andFADH?
In NADH and FADH2, energy is stored in the high-energy electrons that are carried by these molecules. During cellular respiration, these electrons are transferred to the electron transport chain, where their energy is used to create a proton gradient that drives ATP synthesis.
Is fermentation the opposite process of cellular respiration?
No, fermentation is another form of respiration. It occurs when there is no final acceptor for the electrons in the transport chain. The opposite process of cellular respiration is photosynthesis because it builds up the molecules that respiration breaks down.
What happens to electrons during cellular respiration?
During cellular respiration, electrons are transferred along the electron transport chain, releasing energy at each step. These electrons ultimately combine with oxygen to form water, facilitating the production of ATP through oxidative phosphorylation.
What does the electron transport the chain during cellular respiration?
it provides energy that powers the formation of atp
What part of a glucose molecule provides electrons in cellular respiration?
The hydrogen atoms attached to the carbon atoms in the glucose molecule provide electrons during cellular respiration. These electrons are transferred to the electron transport chain to produce ATP.
What is the process by which the chemical energy of food molecules is released?
The first step of the process is the digestion.
How many molecules does cellular respiration produce?
34 molecules
Where do the electrons used in the electron transport chain come from?
The electrons used in the electron transport chain come from the breakdown of molecules like glucose during cellular respiration.
What molecules serve as intermediate electron carriers in the process of cellular respiration?
NAD+ (nicotinamide adenine dinucleotide) and FAD (flavin adenine dinucleotide) serve as intermediate electron carriers in cellular respiration. They accept electrons from the breakdown of glucose and transfer them to the electron transport chain for the production of ATP.
