They are used in the production of ATP, the 'energy currency' of the cell.
FADH2 and NADH have the very important role of being electron carriers for the electron transport chain. Both are used at key points in glycolysis and/or the Kreb's cycle.
FADH2 : Carries electrons in the form of hydrogen atoms (1 proton and 1 electron) with 0 net charge. With 2 hydrogens FAD may use these electrons one at a time or 2 at a time, depending on which ever process it is in.
NADH : Carries it's electrons in the form of hydrides (1 proton and 2 electrons) with -1 net charge. Since these electrons are in the hydride form they both must be used at the same time, there isn't an option to use 1 OR 2 only 2 electrons.
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From what I understand of NADH and FADH2, they move electrons from one molecule to another, aerobic respiration (cells creating energy with the use of oxygen). So I would take to guess that NADH and FADH2 help cells create energy effectively.
They are electron carriers, They transport electrons from one reaction to another.
Cellular respiration can be broken down into many components, each of which involve the reduction of NAD or FAD (ie loss of electrons) or the oxidation of NADH or FADH (ie gain of electrons.)
In the field of microbiology, NADH stands for a reduced form of nicotinamide adenine dinucleotide. FADH refers to flavin adenine dinucleotide.
FADH2, like NADH, function as a reducing agent in cellular respiration and it donates electrons to the electron transport chain.
The process that uses NADH and FADH to create ATP is oxidative phosphorylation. This process occurs in the inner mitochondrial membrane and involves the transfer of electrons from NADH and FADH to the electron transport chain, leading to the production of ATP through a series of redox reactions.
NADH and FADH2 act as electron carriers in metabolic pathways, transferring electrons to the electron transport chain to generate ATP through oxidative phosphorylation. These molecules play a crucial role in the production of energy in the form of ATP during cellular respiration.
NADH and FADH 2 among other molecules. Where do these molecules come from
Is lactic acid formed and muscle tissue when there is not enough oxygen present
NADH and FADH2 are two coenzymes that carry most of the energy produced during the Krebs cycle. These coenzymes will then go on to the electron transport chain to donate their electrons and contribute to ATP production.