code: protected static String generateFastaFromRNA(List<Monomer> monomers) {
  		StringBuilder fasta = new StringBuilder();
  		for (Monomer monomer : monomers) {
  			if (monomer.getMonomerType().equals(Monomer.BRANCH_MOMONER_TYPE)) {
  				fasta.append(monomer.getNaturalAnalog());
  			}
  		}
  
  		return fasta.toString();
  	}
docs: method to generate Fasta for a list of rna monomers
  
  @param monomers
  list of monomers
  @return sequence