ANSWERS: 1
  • Look, you're supposed to have learned that the 4 bases A,T,G, and C (adenine, thymine, guanine, and cytosiine) pair up with each other this way: A <--> T C <--> G In other words, A on one DNA strand is always paired opposite T on the other strand, and so on. So the given sequence: G T A A T C C G etc. Pairs up as follows: G - C T - A A - T A - T T - A C - G C - G G - C etc. Get it? Now, I'm not an expert in this but I know that each strand has an orientation (one direction is forward and the other direction is backward), and moreover the two paired strands actually align in opposite directions. So possibly the answer you're supposed to give, after you've made all the base-pair substitutions, would be to read them backwards.

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