(a)
  ATGTTCCGAAAATCCCCGATTTGGACTAAGCCTGTGTGA

(b)
  5' ATGTTCCGAAAATCCCCGATTTGGACTAAGCCTGTGTGA  3'
  3' TACAAGGCTTTTAGGGGCTAAACCTGATTCGGACACACT  5'

(c)
                      ATTTGGACTAAGCCTGTGTGA  3'
                     GTAAACCTGATTCGGACACACT  5'
                    C G
                   C G
                  C
                 C
  5' ATGTTCCGAAAAT
  3' TACAAGGCTTTTA
                 G
                  G C
                   G C
                    G ATTTGGACTAAGCCTGTGTGA  3'
                     CTAAACCTGATTCGGACACACT  5'

Figure 1: (a) DNA sequence consisting of 39 nucleotides; (b) double-stranded form of the DNA sequence; (c) DNA replication process.