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Cellular control

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Question 14

A mature mRNA sequence of 600 nucleotides codes for a functional polypeptide. In two different varieties of a plant species, this homologous mRNA sequence exhibits a sequence divergence of exactly 1.5% due to single-nucleotide substitutions.

Which of the following options correctly identifies the minimum and maximum number of amino acids in the translated polypeptide that could differ between the two varieties?

A

minimum 333 and maximum 999

B

minimum 000 and maximum 333

C

minimum 000 and maximum 999

D

minimum 111 and maximum 999

Markscheme

Cellular control Questions

  1. A Level
  2. /Biology
  3. /Cellular control

30 exam-style questions on OCR A A Level Biology Cellular control. Each one has a worked solution and a mark scheme showing where the marks go.

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