A student was investigating four cell types from different organisms - VCE - SSCE Biology - Question 12 - 2015 - Paper 1
Question 12
A student was investigating four cell types from different organisms. She recorded the results of her microscopic examination of the cells in the table below.
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Worked Solution & Example Answer:A student was investigating four cell types from different organisms - VCE - SSCE Biology - Question 12 - 2015 - Paper 1
Step 1
Cell W could be a muscle cell from an insect.
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Answer
Cell W has few mitochondria and presents a nucleus, which is consistent with muscle cells in insects that typically have low mitochondrial content compared to other cell types.
Step 2
Cell Y could be a living leaf cell from a corn plant.
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Answer
Cell Y is absent of chloroplasts and has a present nucleus, which contradicts it being a leaf cell since leaf cells usually contain chloroplasts for photosynthesis.
Step 3
Cell X could be a heart-muscle cell from a mammal.
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Answer
Cell X has many mitochondria, which is characteristic of heart muscle cells that require high energy levels, alongside the presence of a nucleus.
Step 4
Cell Z could be an underground root cell from a pea plant.
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Cell Z, having few mitochondria and present chloroplasts, does not fit well with the characteristics of a root cell, as they generally lack chloroplasts.
