PLEASE HELP how is the mRNA altered once transcirption is complete within eukaryotic cells (but before translation beings)

(amoeba sisters video recap: pedigrees and need

Which scientific design has both practical limitations and limitations due to scale? studying the effect of bleach on the growth of mold spores exposing cultures of duckweed to different intensities of light observing the replication of dna molecules with a hand lens using colored marbles to model a cross between two colors of rabbits

Which particle controls what element an atom is?