Figure 4 shows three cells - Edexcel - GCSE Biology - Question 2 - 2020 - Paper 1
Question 2
Figure 4 shows three cells.
(a) What is structure X?
- A cell membrane
- B cell wall
- C cytoplasm
- D nucleus
(b) Substances move into and out of cel... show full transcript
Worked Solution & Example Answer:Figure 4 shows three cells - Edexcel - GCSE Biology - Question 2 - 2020 - Paper 1
Step 1
What is structure X?
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Answer
Structure X is the 'cell wall'. This component is specific to plant cells, providing structure and support.
Step 2
How does oxygen move into and out of cells?
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Answer
Oxygen moves in and out of cells primarily through 'diffusion', which is the process where molecules move from an area of higher concentration to an area of lower concentration.
Step 3
Calculate the length of the image after this cell has been magnified 500 times.
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To find the length of the image after magnification:
