Programs used in this exercise:
(1)  Sequence manipulation – reverse
(2)  Graphics output – gif
(3)  ORF Searching – frames    , map    , translate
(4)  Mapping (restriction sites)
       – map (-minc, -maxc), mapsort(-exclude, -digest),
          mapplot, plasmidmap
(5)  Mapping (transcription factor)
       – map(tfsites).
Sequences used in this exercise:
gb:z18853 (C.elegans mRNA for capping protein alpha subunit.)
cds:10-858
gb:x03795 (Human mRNA for platelet derived growth factor A-chain, PDGF-A) cds:388-1020.
Exercise89-10