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Aqa a2 biology unit 5 gene expression question

Q4 part D on:
http://theallpapers.com/papers/AQA/ALevels/Biology%20(2410)/AQA-BYB2-W-QP-JAN05.pdf
MS:
http://theallpapers.com/papers/AQA/ALevels/Biology%20(2410)/AQA-BYB2-W-MS-JAN05.pdf

when picking the base sequence for part i) theres an option of two codons for each base but there is only one answer of UAC UUA UGG and i dont know why :/ I also couldnt do part ii because of this. Does anyone have an explanation? Thanks
(edited 7 years ago)
Sorry you've not had any responses about this. :frown: Are you sure you've posted in the right place? :smile: Here's a link to our subject forum which should help get you more responses if you post there. :redface:

You can also find the Exam Thread list for A-levels here and GCSE here. :dumbells:


Just quoting in Puddles the Monkey so she can move the thread if needed :h:

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