2022HSCShort answer

Q28 (c)

3 marks

Question

Outline the ways in which the DNA of prokaryotes and eukaryotes differ.

Try the question before revealing the answer.

Solution

Criteria	Marks
Outlines differences in DNA in prokaryotic and eukaryotic cells	3
Outlines a difference in DNA in prokaryotic and eukaryotic cells OR identifies differences in DNA in prokaryotic and eukaryotic cells	2
Provides some relevant information	1

Sample answer:

There are many differences such as prokaryotic DNA is a circular molecule found in the cytoplasm, carrying a small number of genes and not tightly coiled around histone proteins. In contrast, eukaryotic DNA is a linear molecule found in the nucleus carrying a large number of genes and tightly coiled around histone and other proteins.

Supplied marking guidance · human reviewed

Compare this with your working, not only your final sentence.

Syllabus alignment

Module 5 · Heredity

DNA and Polypeptide SynthesisModel and compare the forms of DNA in eukaryotes and prokaryotes.

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