Biology 5090 · O Level · Active transport

Active transport — practice question

During an investigation, scientists exposed plant roots to a chemical that prevents aerobic respiration. They found that, after the exposure, the plant roots took up nitrate ions at a slower rate. Which statement best explains this result?

  • AAnaerobic respiration does not release energy.
  • BThe plant cells cannot respire.
  • CThere is less energy for active transport of nitrate ions.
  • DThere is less energy for diffusion of nitrate ions.

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