Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 58506
TLS Online TPP Program

#Question id: 31167

Which of the following ionic changes is correctly matched with a component of the action potential?

#Unit 7. System Physiology – Animal
  1. Opening of voltage-gated K+ channels: Depolarization
  2. A decrease in extracellular Ca2+ : Repolarization
  3. Opening of voltage-gated Na+ channels: Depolarization
  4. Rapid closure of voltage-gated Na+ channels: Resting membrane potential
More Questions
TLS Online TPP Program

#Question id: 3992

#Unit 3. Fundamental Processes

RecA protein provides the functional link between DNA damage and the SOS response by displacing the LexA protein from its operator sites on the SOS genes.  RecA does so by:
TLS Online TPP Program

#Question id: 28324

#Unit 5. Developmental Biology

Echinoderms exhibit which type of cleavage?
TLS Online TPP Program

#Question id: 23782

#Unit 7. System Physiology – Animal

Where is rhodopsin located in the cell?
TLS Online TPP Program

#Question id: 12580

#Unit 10. Ecological Principles

When levels of CO2 are experimentally increased, C3 plants generally respond with a greater increase in productivity than C4 plants. This is because
TLS Online TPP Program

#Question id: 15251

#Unit 2. Cellular Organization

The alga Dunaliella viridis tolerates high concentrations of