Biology 9700 · AS & A Level · Cells as the basic units of living organisms

Cells as the basic units of living organisms — practice question

The characteristics of certain cells and cell structures that produce ATP are shown below. 1 has an outer boundary membrane and a folded inner membrane 2 has a peptidoglycan cell wall outside an outer boundary membrane 3 has a double boundary membrane and layers of inner membranes Which row correctly identifies these components?

  • A1 bacterium; 2 chloroplast; 3 mitochondrion
  • B1 chloroplast; 2 bacterium; 3 mitochondrion
  • C1 chloroplast; 2 mitochondrion; 3 bacterium
  • D1 mitochondrion; 2 bacterium; 3 chloroplast

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