Question:
Which of the following is having largest size?
Which of the following is having largest size?
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Compare approximate sizes: a protein molecule, a virus, a bacterium and a eukaryotic cell.
Updated On: Nov 12, 2026
- Antibody
- Virus
- Bacteria
- Cancer cell
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The Correct Option is D
Solution and Explanation
Step 1: Understanding the Concept
These biological entities differ greatly in size, from nanometres to micrometres.
Step 2: Approximate sizes
An antibody is a protein molecule of about 10 nm.
Viruses are about 20-300 nm and bacteria about 0.5-5 \(\mu\text{m}\).
A cancer cell is a human (eukaryotic) cell of about 10-30 \(\mu\text{m}\).
Step 3: Conclusion
The cancer cell is the largest of the four.
Final Answer:
The cancer cell is the largest, option (D). \[ \boxed{\text{(D) }\text{Cancer cell}} \]
These biological entities differ greatly in size, from nanometres to micrometres.
Step 2: Approximate sizes
An antibody is a protein molecule of about 10 nm.
Viruses are about 20-300 nm and bacteria about 0.5-5 \(\mu\text{m}\).
A cancer cell is a human (eukaryotic) cell of about 10-30 \(\mu\text{m}\).
Step 3: Conclusion
The cancer cell is the largest of the four.
Final Answer:
The cancer cell is the largest, option (D). \[ \boxed{\text{(D) }\text{Cancer cell}} \]
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