Radiology Proton consists of: A 2 up quarks + 1 down quarks B 2 up quarks + 2 down quarks C 1 up quarks + 2 down quarks D 1 up quarks + 1 down quarks 💡 Explanation Proton consists of: ✓ Correct Answer: A. 2 up quarks + 1 down quarks