Auxin promotes plant cell growth by
A) enhancing cell division.
B) enhancing cell expansion.
C) thickening cell walls.
D) causing hydroxide ions to be released from the cells.
E) stimulating cytokinin synthesis.
Correct Answer:
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Q232: One manifestation of a(n) _ in bean
Q233: A plant scientist exposes the seeds of
Q234: The _ transport of auxin establishes the
Q235: Seeds
A) take up water at the onset
Q236: If a shoot cutting is treated with
Q238: Refer to the figure below, showing lettuce
Q239: Plant hormones can work in pairs, with
Q240: Based on your knowledge of the effects
Q241: Phototropins are
A) hormones.
B) hormone receptors.
C) light receptors
Q242: Treatment of seeds that require light for
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