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  1. P

    How was Biology Paper 42 MAY/JUNE 2017?

    There were 668 amino acids, so that means they were coded by 2004 bases on the mRNA (since one amino acid is coded by 3 bases) and since there were 2004 bases on the mRNA, that means 2004 bases on the sense strand of DNA (the strand that gets transcripted). Which means that there were 2004 base...
  2. P

    How did Chemistry M/J '17 52 go?

    Yes it did, because the simplest whole number ratio was 4:2:3
  3. P

    How did Chemistry M/J '17 52 go?

    Same
  4. P

    How was Biology Paper 42 MAY/JUNE 2017?

    Yup, I think you will.
  5. P

    How was Biology Paper 42 MAY/JUNE 2017?

    White was definitely 12. It was white:black:brown 12:3:1
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