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RNA (acid)

  • RNA stands for Ribonucleic acid.
  • It commonly exists as a single stranded chain of information which moves around the cell under the name Messenger RNA.
  • It is copied from DNA (transcription) in the cell nucleus and then migrates to ribosomes in the cytoplasm where its information is translated into Amino Acids with form peptides (proteins when they are big enough).
  • The “building blocks” are the same than DNA (Adenine (A), Thymine (T), Cytosine (C)….except for Guanine (G) which is replaced by Uracil (U) in RNA.  (Uracil is an unmethylated form of thymine)