Figure 4 shows three cells. What is structure X? A cell membrane B cell wall C cytoplasm D nucleus Substances move into and out of cells. How does oxygen move into and out of cells? A transpiration B active transport C diffusion D osmosis A plant leaf cell is 0.04 mm long. Calculate the length of the image after this cell has been magnified 500 times. length of image = _______________ mm

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Figure 4 shows three cells - Edexcel - GCSE Biology - Question 2 - 2020 - Paper 1

Question 2

Figure 4 shows three cells. What is structure X? A cell membrane B cell wall C cytoplasm D nucleus Substances move into and out of cells. How does oxygen move int... 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. In plant cells, the cell wall is a rigid layer that provides structure and support.

Step 2

How does oxygen move into and out of cells?

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Answer

Oxygen moves into and out of cells by diffusion. This process allows oxygen to pass through the cell membrane 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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Answer

To calculate the length of the image after magnification, we need to multiply the original length of the cell by the magnification factor:

$ext{length of image} = ext{original length} imes ext{magnification}$

Substituting the values: $ext{length of image} = 0.04 ext{ mm} imes 500 = 20 ext{ mm}$

Therefore, the length of the image is 20 mm.

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