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TLS Online TPP Program

#Question id: 11197

After the depolarization phase of an action potential, the resting potential is restored by ________.

#7. System Physiology – Animal
  1. the opening of voltage-gated potassium channels and the inactivation of sodium channels
  2. a decrease in the membrane's permeability to potassium and chloride ions
  3. a brief inhibition of the sodium-potassium pump
  4. the opening of more voltage-gated sodium channels
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TLS Online TPP Program

#Question id: 5340

#8. Inheritance Biology

Which of the following above pedigree show mode of inheritance?
TLS Online TPP Program

#Question id: 567

#1. Molecules and their Interaction Relevant to Biology

Penicillin and related drugs inhibit the enzyme; this enzyme is produced by 
TLS Online TPP Program

#Question id: 16114

#7. System Physiology – Animal

Which of the following hormones are thermogenic?
TLS Online TPP Program

#Question id: 8773

#9. Diversity of Life Forms

Which eukaryotic kingdom includes members that are the result of endosymbioses that included an ancient aerobic bacterium and an ancient cyanobacterium?
TLS Online TPP Program

#Question id: 5028

#11. Evolution and Behavior

What is the probable sequence in which the following clades of animals originated, from earliest to most recent?

1. tetrapods

2. vertebrates

3. deuterostomes

4. amniotes

5. bilaterians