Read the assertion and reason carefully to mark the correct option in question.
Assertion: Nuclear matrix or nucleoplasm contains one or more cylindrical structures called nucleolus.
Reaon: Smaller and more numerous nucleoli are present in cells actively carrying out protein synthesis.
A. If both assertion and reason are true and the reason is the correct explanation of the assertion
B. If both assertion and reason are true but reason is not the correct explanation of the assertion.
C. If assertion is true but reason is false.
D. If both assertion and reason are false.
