Question

Which of the following is common in both prokaryotes and eukaryotes?

• A. Ribosomes
• B. Endoplasmic Reticulum
• C. Mitochondria
• D. None of the above

Answer 1

The correct option is A

Ribosomes

The correct answer is option A.

Explanation for the correct option:

1. Prokaryotes are organisms that lack a membrane-bound nucleus and other organelles.
2. Prokaryotes have ribosomes, cell walls, cell membranes, capsules, and flagellum.
3. The eukaryotes have a proper membrane-bound nucleus and other organelles.
4. Organelles in eukaryotes include cell membrane, mitochondria, ribosomes, endoplasmic reticulum, Golgi apparatus, and lysosomes.

Explanation of the incorrect options:

Option B

The endoplasmic reticulum is found in eukaryotes but is absent in prokaryotes.

Option C

Mitochondria are found in eukaryotes but absent in prokaryotes.

Final answer: Ribosomes are common in both eukaryotes and prokaryotes.