Practice question

MCQ

Question

Arabidopsis cytokinin oxidase genes are:

Options

Choose one · Correct answer highlighted

AtCKX1 and AtCKX2 Correct AHK2 and AHK3 ARR1 and ARR2 IPT3 and IPT7

Explanation

Pick A: AtCKX1 and AtCKX2. Thinking through Cytokinin step by step rules out the lookalikes and leaves AtCKX1 and AtCKX2. Skip these: B) AHK2 and AHK3; C) ARR1 and ARR2; D) IPT3 and IPT7. For hormones and genes, match the molecule or gene to its real role, not a neighboring pathway.

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