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Practice question

Question

Boysen-Jensen showed auxin to be a:

Options

Choose one · Correct answer highlighted

Explanation

Pick C: Diffusible chemical. Thinking through Auxin Phytohormone step by step rules out the lookalikes and leaves Diffusible chemical. Skip these: A) Protein signal; B) Volatile gas; D) Electrical signal. For hormones and genes, match the molecule or gene to its real role, not a neighboring pathway.