Practice question
Question
Loss of APETALA2 results in floral organs:
Explanation
Ca-St-St-Ca (B) is correct here. This is core PSS-Sec-E-Sensory biology: once you know the definition or pathway step, Ca-St-St-Ca is the clear fit. The wrong ones are A) Se-Pe-St-Ca; C) Se-Se-Ca-Ca; D) Pe-Pe-St-St. If the topic is about gradients or potentials, water/solutes move from higher to lower of the relevant quantity.
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