8. The electron transport system is located in the inner membrane of the 9. are

Question

8. The electron transport system is located in the inner membrane of the 9. are lipids with a unique ring-shaped structure. 10. The movement of particles unaided from an area of high concentration to an area of low concentration describes 11. Coupled transport that involves the moving of one substance against its concentration gradient by using energy from a second substance moving down its concentration gradient is known as 12. A substance that binds to the active site of an enzyme and turns it off is called a inhibitor. 13. In order for a reaction to occur, energy is needed to break the bonds that already exist in the reactant molecules; that energy is called the energy

Explanation / Answer

8.Mitochondrion.

The electron transport chain for respiration occurs In the inner membrane of mitochondria .

9.cholesterol

cholesterol is a lipid with unique structure of 4 linked hydrocarbon rings forming a steroid structure.

10.diffusion. it's the movement of molecules from their higher concentration to low concentration.

11.secondary active transport.

12.competitive inhabitor.

13.Activation energy .it's the minimum amount of energy required to cause a reaction .

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