Complete Table 2 to show three differences between DNA in the nucleus of a plant cell and DNA in a prokaryotic cell - AQA - A-Level Biology - Question 8 - 2020 - Paper 1
Question 8
Complete Table 2 to show three differences between DNA in the nucleus of a plant cell and DNA in a prokaryotic cell.
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Worked Solution & Example Answer:Complete Table 2 to show three differences between DNA in the nucleus of a plant cell and DNA in a prokaryotic cell - AQA - A-Level Biology - Question 8 - 2020 - Paper 1
Step 1
1. (Associated with) histones/proteins v no histones/proteins
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Answer
Plant cell DNA is associated with histones and proteins, whereas prokaryotic DNA lacks these histones and proteins.
Step 2
2. Linear v circular
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Answer
DNA in plant cells is linear, while in prokaryotic cells, the DNA is circular.
Step 3
3. No plasmids v plasmids
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Answer
Plant cells do not possess plasmids, in contrast to prokaryotic cells which often contain plasmids.
