SAT English Practice Question
The article describes a new study on the effects of the plant hormone auxin on the growth of roots. The researchers found that auxin, a chemical compound naturally found in plants, played a key role in the process of cell division, elongation, and differentiation, which are all crucial for root development. What is the most likely reason that the writer refers to "auxin" as a "chemical compound"?
- A.emphasize the scientific nature of auxin.
- B.describe the process of cell division, elongation, and differentiation.
- C.suggest that auxin is a complex molecule.
- D.explain how auxin is naturally found in plants.
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