Why Are the Components of the Electron Transport Chain Embedded

question 40

Multiple Choice

Why are the components of the electron transport chain embedded in the inner mitochondrial membrane rather than floating freely in the cytoplasm of mitochondrial matrix?

• A)To generate and maintain the proton gradient essential for ATP production.
• B)To separate the ATP from the ADP.
• C)Because electrons cannot float in the matrix.
• D)Because NADH cannot localize to the mitochondrial matrix.

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Definitions:

Ti Plasmid

A plasmid derived from the Agrobacterium tumefaciens bacteria, used in genetic engineering to transfer genes into plant cells.

Genetically Engineer

The process of altering the genetic makeup of an organism in a laboratory through techniques like gene cloning and transformation to achieve desired traits.

Recombinant DNA

A form of DNA that has been modified through combining genetic material from multiple sources, creating sequences that do not exist naturally.

Restriction Enzymes

Proteins that cut DNA at specific recognition sites, widely used in molecular biology for DNA modification.