Practice question
Question
High K⁺ concentration inside root cells compared to medium indicates:
Explanation
That points to C: Active transport. Compared with the other options, Active transport is the one that correctly describes the PSS- Sec-F-Transport concept. The wrong ones are A) Diffusion; B) Mass flow; D) Facilitated diffusion. If you’re stuck, eliminate anything that contradicts a basic fact you already know for this topic.
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