Cell Structure Organisation and Microscopy Practice Questions | A-Level Biology

Cell Structure Organisation and Microscopy

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An electron micrograph shows a cell with a plasma membrane, cytoplasm, many small granules, and an irregular region of DNA with no surrounding membrane. No mitochondria, endoplasmic reticulum, Golgi stacks, or nuclear envelope are visible. Which conclusion is most scientifically justified?

Select one option.

The cell is eukaryotic because all cells contain DNA and ribosomes
The cell is prokaryotic because DNA is not enclosed by a membrane and membrane bound organelles are absent
The cell is a plant cell because plant cells can contain DNA outside the nucleus
The cell is an animal cell because animal cells do not have cell walls
The cell is undergoing mitosis because the nucleus is not visible

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