Biology 9700 · AS & A Level · Principles of genetic technology

Principles of genetic technology — practice question

(a)[8]

Describe how penicillin affects bacteria.

(b)[7]

Outline how microorganisms are used to extract heavy metals from their ores.

Worked solution & mark scheme

This 15-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Bacterial walls are composed of peptidoglycan” …

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI