[Campbell Biology P.903] Brassinosteroids, a recently discovered class of plant hormones, ar... | Practice Question

Brassinosteroids, a recently discovered class of plant hormones, are characterized by their ability to:

  • A: Act as a gas to spread ripening signals.
  • B: Induce cell elongation.
  • C: Prevent desiccation during seasonal periods.
  • D: Control the ratio of ethylene to auxin.

Explanation

The text explicitly states: 'Brassinosteroids are steroids similar to cholesterol and the sex hormones of animals. They induce cell elongation'.