When the Ion Concentration Inside Root Cells Is Higher Than

question 79

Multiple Choice

When the ion concentration inside root cells is higher than the concentration in the soil solution, ions in the soil solution can enter root cells by means of

• A) active transport only.
• B) simple diffusion only.
• C) simple diffusion and facilitated diffusion.
• D) facilitated diffusion and active transport.
• E) simple diffusion and active transport.

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