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Active transport is moving substance against its gradient so it requires an input of energy to achieve this. One example is Na K ATPase. This is a secondary active transporter that pumps 3x Na out of the cell for 2x K into the cell. There are so much more Na outside the cell and already a lot of K inside the cell so to push the molecules there is an expenditure of ATP to do this.

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βˆ™ 14y ago
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βˆ™ 6mo ago

In the electron transport chain (ETC), electrons play a crucial role in transferring energy down the chain of protein complexes embedded in the inner mitochondrial membrane. As electrons move through the ETC, they drive the pumping of protons across the inner mitochondrial membrane, creating an electrochemical gradient that is used to generate ATP through the process of chemiosmosis. This ATP produced is a critical energy source for various cellular functions.

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βˆ™ 7y ago
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describe how phospholipid molecules are oriented in the plasma membrane of acell. what role does a cellularmembrane play in passive transport? ... Active transport is important for cell function as, various activities keep taking place such as manufacture of protein, fat, etc.

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βˆ™ 15y ago

ATP is hydrolyzed by transport proteins releasing energy. This energy is what is used to transport a molecule across a membrane and up its concentration gradient.

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βˆ™ 16y ago

It helps atoms and small molecules go from a high concentration to a low concentration.

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Anonymous

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βˆ™ 4y ago
Are u sure?

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βˆ™ 15y ago

To store and transport chemical energy within cells.. wuzzup

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βˆ™ 15y ago

The role of ATP in the electron transport is to give the cells the burst of energy it needs to continue the processes

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βˆ™ 7y ago

What is the role of the electrons in the electron transport chain

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βˆ™ 11y ago

ATP gives out energy.Energy is needed for active transportation.

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Emily Vaca

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βˆ™ 3y ago

Active transport uses cellular energy, unlike passive transport, which does not use cellular energy. Active transport is a good example of a process for which cells require energy.

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Q: What is the role of the electrons in the ETC?
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