Structure present in both prokaryotes and eukaryotes:
Correct answer: C. Cell membrane
- A. 80s ribosomes
- B. Cell wall
- C. Cell membrane
- D. Golgi apparatus
Explanation
Ribosomes are used by the cells for the translation of mRNA to produce proteins. Eukaryotic cells typically have 80s ribosomes and 70s ribosomes (in mitochondria and plastids), whereas prokaryotic cells have 70s ribosomes. Not all eukaryotic cells have cell wall, hence the correct option is C since cell membrane is present in both types of cells.
This question appeared on the NUMS 2021 paper, which you can sit online with every answer explained.
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About Prokaryotic and Eukaryotic Cells
Prokaryotic cells lack a membrane-bound nucleus and complex membrane-bound organelles, whereas eukaryotic cells contain a nucleus, specialized organelles and a cytoskeleton. Comparisons include DNA organization, ribosomes, cell walls, size, division and examples such as bacteria, archaea, protists, fungi, plants and animals.
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