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paper 1doubts

  1. Romy Adel

    Paper 1 doubts as biology November 2019

    A mutation occurs in a gene which prevents the production of telomerase. What is the effect of this mutation if it occurs in bone marrow stem cells? A a rapid increase in the production of lymphocytes B a tumor grows in the bone marrow C bone marrow stem cells eventually no longer divide D...
    • Romy Adel
    • Thread
    • as biology asbiology paper 1doubts
    • Replies: 0
    • Forum: A-Levels
  2. Romy Adel

    Paper 1 biology as mcq

    I guess A and D are both correct. Can I know the answer and explanation for the difference between choosing A and D
    • Romy Adel
    • Thread
    • as biology asbiology mcqs paper 1doubts
    • Replies: 1
    • Forum: A-Levels
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