The structure present in a eukaryotic cells but absent in prokaryotic cells is:
Correct answer: A. Nucleus
- A. Nucleus
- B. Ribosomes
- C. DNA
- D. Cell surface membrane
Explanation
The term 'prokaryotes' is derived from the Greek word 'pro meaning before' and 'karyon meaning nucleus'. Prokaryotic cells are those cells that do not have a definite nucleus and membrane-bound organelles. On the other hand, a definite nucleus is present in eukaryotic cells.
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About Cell Structure and Function
Animal, plant, prokaryotic and eukaryotic cells are compared through their membranes, cell walls, nuclei and cytoplasmic organelles. The work includes the structures and functions of mitochondria, chloroplasts, ribosomes, endoplasmic reticulum, Golgi apparatus and lysosomes, as well as chromosome organization and the distinction between chromatin and chromosomes.
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