Other questions in this quiz

2. Which of these is NOT a use of genetically modified bacteria?

  • Enzymes for alcoholic drinks
  • Making insulin
  • Human growth hormone
  • Enzymes for washing powders
  • Enzymes for food industry
  • Bovine somatotropin

3. What effect does a mutation have on an enzyme?

  • Changes it's shape, changing the time taken to reach it's activation energy.
  • Causes cancer.
  • Changes it's active site, meaning the substrate no longer fits.
  • Denatures it, meaning its activation energy greatly increases.

4. What does the fovea do?

  • Gives the clearest image.
  • Transparent, slightly refracts light.
  • Connects the eye to the brain.
  • Contains rods and cones, traducing light energy to electrical energy.

5. What is a reflex arc?

  • Stimulus, receptor, motor neuron, CNS (sensory neuron), relay neuron, effector, response
  • Stimulus, receptor, relay neuron, CNS (motor neuron), sensory neuron, effector, response.
  • Stimulus, receptor, sensory neuron, CNS (relay neuron), motor neuron, effector, response
  • Stimulus, receptor, motor neuron, CNS (relay neuron), sensory neuron, effector, response

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