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Identify the processes that occur during the electron transport chain.

Select all that apply.

Protons are moved across a membrane against their concentration gradient.
Carbon dioxide is released.
Oxygen is produced as a waste product.
Electrons are removed from the carrier molecules NADH and FADH2.

Respuesta :

Answer:

Electrons are removed from Nadh and Fadh2

Explanation:

they are removed to make more ATP.

luisvaschetto

The electron transport chain (ETC) is the last step of cellular respiration, which occurs in the mitochondria.

  • During ETC:
  1. Protons are moved across a membrane against their concentration gradient.
  2. Electrons are removed from the carrier molecules NADH and FADH2.

  • The ETC is a series of redox reactions that involve the transference of electrons from donors to acceptors, which is coupled to the transference of protons across the inner membrane of mitochondria.

  • The objective of the ETC is to synthesize ATP (the energy coin of the cell) by using the electrochemical proton gradient across the inner mitochondrial membrane.

  • NADH and FADH2 are the reduced forms of Nicotinamide adenine dinucleotide and Flavin adenine dinucleotide, respectively.

In conclusion, during the electron transport chain, 1-protons are moved across a membrane against their concentration gradient, and 2-electrons are removed from the carrier molecules NADH and FADH2.

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