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2.1 Supplying the cell

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Question 39
F

Root hair cells take in mineral ions from the soil.

The concentration of mineral ions is higher inside the root hair cells than in the soil water.

Which statement explains how the root hair cells take in mineral ions?

[1]
A

By diffusion, because the ions move down a concentration gradient

B

By osmosis, because the ions move into a lower water potential

C

By active transport, using energy to move ions against the gradient

D

By diffusion, using energy to move ions against the gradient

Markscheme

2.1 Supplying the cell Questions

  1. GCSE
  2. /Biology
  3. /2.1 Supplying the cell

194 exam-style questions on OCR GCSE Biology 2.1 Supplying the cell, covering 2.1.1 Transport across cell membranes, 2.1.2 Mitosis and the cell cycle, 2.1.3 Importance of cell differentiation, and 2.1.4 Stem cells. Each one has a worked solution and a mark scheme showing where the marks go.

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