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TLS Online TPP Program

#Question id: 11195

Action potentials move along axons ________.

#Unit 7. System Physiology – Animal
  1. more slowly in axons of large than in small diameter
  2. by activating the sodium-potassium "pump" at each point along the axonal membrane
  3. more rapidly in myelinated than in unmyelinated axons
  4. by reversing the concentration gradients for sodium and potassium ions
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TLS Online TPP Program

#Question id: 11008

#Unit 7. System Physiology – Animal

Which of the following events is associated with the first heart sound?
TLS Online TPP Program

#Question id: 10254

#Unit 6. System Physiology – Plant

Sucrose is split into its two monosaccharide units—glucose and fructose—which can readily enter the glycolytic pathway. Two pathways for the splitting of sucrose are known in plants, both of which take part in the use of sucrose from phloem unloading; Invertase pathway and sucrose synthase pathway, some statements are given about these pathways, which of the following is incorrect?
TLS Online TPP Program

#Question id: 661

#Unit 1. Molecules and their Interaction Relevant to Biology

Which technique is commonly used to determine the three-dimensional conformation of a protein?
TLS Online TPP Program

#Question id: 11999

#Unit 10. Ecological Principles

Rachel Carson would most likely have endorsed which of the following statements?
TLS Online TPP Program

#Question id: 23505

#General Aptitude

Which one of the following non-conventional energy sources can be exploited most economically?