An mRNA molecule has a cap attached to its 5' end and a poly-A tail attached to its 3' end.

Name: An mRNA molecule has a cap attached to its 5' end and a poly-A tail attached to its 3' end.
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This is true. In eukaryotic mRNA, a 7-methylguanosine (m7G) cap is added to the 5' end and a poly-A tail is added to the 3' end. These modifications help stabilize the mRNA molecule and facilitate translation.

An MRNA Molecule Has a Cap Attached to Its 5