Other questions in this quiz

2. What is meant by homeostasis?

  • Chemical reactions
  • Maintaining a constant internal environment
  • How kidneys work
  • Maintaining a constant external environment

3. What is the role of troponin?

  • To form a cross bridge between myosin and troponin
  • To bind to Calcuim ions causing tropmyosin to move, exposing actin binding sites
  • To bind to tropmyosin
  • To activate ATPase

4. How does panting lead to heat loss?

  • Evaporation of water from the lining of the mouth, heat transferred from blood
  • Causes vasoconstriction
  • Increases thirst so organism drinks more to cool self down
  • Activates the heat gain centre in hypothalamus

5. When the sarcomeres contract what happens to the length of the I band?

  • It decreases
  • No idea
  • It increases
  • It stays the same



sass master, good quiz though thank you

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