1. The concentration of nitrate ions in a root cell is higher than in

1.	1. The concentration of nitrate ions in a root cell is higher than in the surrounding soilsolution. How do the nitrate ions move into the root cell?A. Active transportB. DiffusionC. OsmosisD. Transpiration
Answer» Answer: Active transport Active transport – HIGHER tier only The root hair cells have carrier proteins in their cell MEMBRANES. These pick up the mineral ions and MOVE them across the MEMBRANE into the cell against the CONCENTRATION gradient Explanation:

1. The concentration of nitrate ions in a root cell is higher than in the surrounding soilsolution. How do the nitrate ions move into the root cell?A. Active transportB. DiffusionC. OsmosisD. Transpiration

Answer»

Answer:

Active transport

Active transport – HIGHER tier only

The root hair cells have carrier proteins in their cell MEMBRANES. These pick up the mineral ions and MOVE them across the MEMBRANE into the cell against the CONCENTRATION gradient

Explanation:

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1. The concentration of nitrate ions in a root cell is higher than in the surrounding soilsolution. How do the nitrate ions move into the root cell?A. Active transportB. DiffusionC. OsmosisD. Transpiration

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