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Which molecules donate electrons to the electron transport chain?
Molecules that donate electrons to the electron transport chain include NADH and FADH2, which are produced during glycolysis and the citric acid cycle. These molecules transfer their electrons to protein complexes in the electron transport chain, ultimately leading to the production of ATP through oxidative phosphorylation.
Where do NADH and FADH go to harvest their energy?
NADH and FADH are molecules that carry high-energy electrons to the electron transport chain in the inner mitochondrial membrane. There, these electrons are used to generate ATP through a series of redox reactions.
Nadh delivers electrons to an electron what?
NADH delivers electrons to the electron transport chain in the mitochondria during cellular respiration. This transfer of electrons helps to generate a proton gradient across the inner mitochondrial membrane, which drives the production of ATP through oxidative phosphorylation.
When tracing the flow of electrons in the mitochondria which represents the correct pathway?
Electrons flow through the electron transport chain (ETC) in the inner mitochondrial membrane. The pathway starts with NADH and FADH2 passing their electrons to complex I and complex II, respectively. The electrons then flow through the complexes, generating a proton gradient that drives ATP synthesis.
Most of the NADH that delivers high-energy electrons to the electron transport chain comes from?
Most of the NADH that delivers high-energy electrons to the electron transport chain comes from the citric acid cycle (Krebs cycle) during cellular respiration. This cycle generates NADH as a byproduct when converting acetyl-CoA to CO2, which is then used to produce ATP in the electron transport chain.
Which of these compounds passes high energy electrons to the other?
The compound that passes high energy electrons to the other is NADH (nicotinamide adenine dinucleotide). NADH is reduced to NAD+ by donating high energy electrons to the electron transport chain, where they are ultimately used to generate ATP.
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
How many electrons can a NADH molecule carry?
The electron transport chain is also known as the respiratory chain. NADH carries electrons in the form of hydrogen atoms to the electron transport chain.
What is the energy of the electrons passing along the etc used to make?
ATP molecules
How many electrons are stored in a NADH molecule?
A NADH molecule stores 2 electrons.
What happens to the high-energy electrons held by NADH if there is no oxygen present?
What happens to the high-energy electrons held by NADH if there is no oxygen present?
When NADH transfers electrons to oxygen oxygen is being what?
When NADH transfers electrons to oxygen, oxygen is being reduced.
What is the metabolic taxicab that shuttles electrons?
NADH
How does malonate inhibit NADH?
Malonate inhibits NADH by competing with NAD+ for binding to the active site of enzyme NADH dehydrogenase within the electron transport chain. This competition prevents NADH from donating electrons to the enzyme, disrupting the flow of electrons and inhibiting ATP production.
When NAD reacts with hydrogen and gains two electrons NAD?
is reduced to NADH. This reaction is an important step in the process of cellular respiration, where NADH then carries the electrons to the electron transport chain to produce ATP energy.
What carries electrons to the electrons transport chain?
The answer is NADH and FADH2. Both of these are electron carriers.
What is the role of enzyme complex in the electron transport chain?
A. Transfer electrons to NAD+ B. Power Krebs cycle C. Receive electrons from NADH D. Produce ATP from sugar
