Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 32623
TLS Online TPP Program

#Question id: 11126

Which of the following is characteristic of the events occurring at an excitatory synapse?

#Unit 7. System Physiology – Animal
  1. There is a massive efflux of calcium from the presynaptic terminal
  2. Synaptic vesicles bind to the postsynaptic membrane
  3. Voltage-gated potassium channels are closed
  4. Ligand-gated channels are opened to allow sodium entry into the postsynaptic neuron
More Questions
TLS Online TPP Program

#Question id: 26440

#Unit 3. Fundamental Processes

Choose the correct statement 
a. Long patch repair system is accomplished by Lig1, FEN1, Pol ζ ε, and APE1 
b. Long patch repair system is accomplished by Lig3, FEN1, Pol ξ β ,APE1 & lyase action
c. Short patch repair system is accomplished by Lig3, FEN1, Pol  ξ β,APE1 & lyase action
d. Short patch repair system is accomplished by Lig1, FEN1, Pol ζ ε, , and APE1
TLS Online TPP Program

#Question id: 12674

#Unit 10. Ecological Principles

You  have  a  friend  who  is  wary  of  environmentalists? claims  that  global  warming  could  lead  to  major  biological change on Earth. Which of the following statements can you truthfully make in response to your friend's suspicions?
TLS Online TPP Program

#Question id: 5016

#Unit 11. Evolution and Behavior

Approximately how far back in time does the fossil record extend?
TLS Online TPP Program

#Question id: 16481

#Unit 12. Applied Biology

The evolution of continuous cell lines from primary cultures occurs due to which reason
TLS Online TPP Program

#Question id: 4169

#Unit 3. Fundamental Processes

The first amino acid incorporated into proteins __.