Mitochondria Structure & Function

What is the primary function of mitochondria in cells?

• Energy production

• DNA replication

• Lipid storage

• Protein synthesis

What type of proteins are found in the outer mitochondrial membrane that allow certain molecules to pass through?

• Glycoproteins

• Collagens

• Fibronectins

• Porins

What is the main function of the cristae located in the inner mitochondrial membrane?

• To increase membrane rigidity

• To decrease surface area

• To produce lipids

• To increase surface area

What is the role of ATP synthase found in the inner mitochondrial membrane?

• To synthesize proteins

• To break down ATP

• To synthesize ATP

• To transport proteins

Which process occurs in the mitochondrial matrix that is crucial for energy production?

• Photosynthesis

• Krebs cycle

• Protein sorting

• Glycolysis

The highly folded nature of the inner mitochondrial membrane means

• More ETC proteins can be present, increasing ATP production through ATP synthase.

• Greater diffusion of Ca++ ions can occur, increasing the Calvin Cycle.

• The stroma volume increases, decreasing oxidative phosphorylation.

• The volume of the intermembrane space decreases, preventing the Krebs cycle from occurring.