Don't open that link. Anyway, can you write the rest of the question? I'd be happy to help.
Answer - mRNA is a Messenger which carries the Code of DNA to the Cytoplasm or site of Protein Synthesis.
Reasoning - mRNA is like a Messenger for Specific Coding for that Cell.
Because they are far from earth look like a small stone on the sky
It's the monthly cycle which occurs in female during which unfertilized ovum dies and pass out through vagina in the form of blood.