Other questions in this quiz

2. What two things do all enzymes have?

  • Optimum temperature and pH
  • Optimum pH and volume
  • Optimum concentration and temperature
  • Optimum pH and concentration

3. What is respiration?

  • When you get out of breath
  • Breathing
  • The release of energy from food
  • When your muscles produce lactic acid

4. What does respiration do?

  • It provides energy for things like growth and movement
  • Nothing, it's lazy
  • It gives out unnecessary energy
  • It lets us run when there's not enough oxygen

5. What can high temperatures and extreme pHs do to enzymes?

  • Decrease their reaction speed
  • Split them into two
  • Denature them
  • Increase their reaction speed


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