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2.2 The challenges of size

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Question 45
F

Red blood cells do not have a nucleus.

How does this adapt red blood cells for their function?

[1]
A

It lets the cells divide quickly to replace old red blood cells.

B

It makes the cells larger, so they can carry more glucose.

C

It allows the cells to pass through capillary walls into tissues.

D

It gives more space inside the cell to carry haemoglobin.

Markscheme

2.2 The challenges of size Questions

  1. GCSE
  2. /Biology
  3. /2.2 The challenges of size

114 exam-style questions on OCR GCSE Biology 2.2 The challenges of size, covering 2.2.1 Exchange surfaces and surface area : volume ratio, 2.2.2 Substances transported in organisms, 2.2.3 The human circulatory system, 2.2.4 The heart and blood vessels, 2.2.5 Red blood cells and plasma, 2.2.6 Uptake of water and mineral ions by plants, 2.2.7 Transpiration and translocation, 2.2.8 Xylem and phloem, 2.2.9 Environmental factors and water uptake, and 2.2.10 Using a potometer. Each one has a worked solution and a mark scheme showing where the marks go.

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