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2 marksCell Structure and Specialisation

CSEC Human and Social Biology · January 2010 · Paper 2 · Question 1(a)(i)

Plant and animal cells consist of various cell organelles.

State ONE function of EACH of the following cell organelles: a) Cell membrane, b) Mitochondria.

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Other parts of this question

  1. 1(a)(ii)Which type of cells, muscle or skin cells, contain more mitochondria?[1 mark]
  2. 1(b)A friend classified a bacterium as a plant cell rather than an animal cell. Which cell organelle is present in BOTH a bacterium and a plant cell, but NOT in an…[1 mark]
  3. 1(c)(i)What is the causative agent of athlete's foot?[1 mark]
  4. 1(c)(ii)Suggest ONE sign and ONE symptom of athlete's foot that Dennis may observe and experience.[2 marks]
  5. 1(c)(iii)Identify TWO bad personal hygiene practices which may have caused athlete's foot.[2 marks]
  6. 1(c)(iv)Suggest ONE treatment for athlete's foot.[1 mark]

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