Practice question
Question
DCMU inhibits stomatal opening by inhibiting:
Explanation
Photosynthetic electron transport (B) is correct here. This is core STOMATA MOVEMENT: once you know the definition or pathway step, Photosynthetic electron transport is the clear fit. The wrong ones are A) Respiration; C) Ion channels; D) ATP synthesis in mitochondria. If the topic is about gradients or potentials, water/solutes move from higher to lower of the relevant quantity.
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