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2.1 Supplying the cell

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Question 49
H

Animals have embryonic stem cells and adult stem cells. Plants have meristems.

a.

Describe the difference between embryonic stem cells and adult stem cells.

[2]
b.

Explain why the production of specialised cells allows multicellular organisms to be more efficient.

[2]
c.

Cells on the surface of the skin are worn away every day.

Explain the role of adult stem cells in the skin.

[2]
d.

Meristem cells can produce any type of plant cell throughout the life of the plant.

Suggest one advantage of this for a plant that is eaten by grazing animals.

[1]
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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