Answer:
B. mRNA molecule
Step-by-step explanation:
In the nucleus, the DNA template is used to transcribe (or copy) an mRNA molecule., using complementary base pairing. This mRNA molecule then leaves the nucleus and enters the cytoplasm.
In the cytoplasm, it is trapped by ribosomes, which are organelles responsible for protein synthesis. Here, the mRNA molecule is used as a template for the translation of protein.