What Is the Purpose of the C4 Pathway

question 59

Multiple Choice

What is the purpose of the C4 pathway?

• A)It is more efficient than the Calvin cycle because less ATP is consumed in the process.
• B)It replaces the carbon fixation stage of the Calvin cycle.
• C)It supplements the activity of rubisco by providing a second source of 3PGA for the reduction stage of the Calvin cycle.
• D)It ensures that CO₂ is provided to rubisco and thus prevents photorespiration.

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Definitions:

Biological Term

A word or phrase that pertains to the science of biology, dealing with the study of life and living organisms.

Reproductive Potential

The possible reproductive capacity of an individual or species under optimal conditions.

Meiosis

A type of cell division that reduces the chromosome number by half, creating four genetically unique gametes, crucial for sexual reproduction.

New Cells

Cells that have been recently formed, especially relevant in the context of growth, repair, or regeneration in living organisms.