The action potential spreads throughout the myocardium in the following sequence:

SA node  Atrial internodal tracts and atria  AV node  Bundle of His  Purkinje system  Ventricles

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#Id: 586

#Unit 2. Cellular Organization

Multiplicity of infection (moi) is a measure of how many phage particles infect a given bacterial cell within a population. 

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#Id: 7385

#Unit 5. Developmental Biology

A posterior-to-anterior gradient of Nanos protein A posterior-to-anterior gradient of Caudal protein

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#Id: 9279

#Unit 6. System Physiology – Plant

The binding of Nod factors to the Nod factor receptors (NFRs), which contain extracellular LysM motifs, initiates an interaction with the conserved SYMRK receptor-like kinases containing a leucine-rich repeat (LRR) domain.

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#Id: 5409

#Unit 7. System Physiology – Animal

There are two major types of glial cells in the vertebrate nervous system:

Microglia

Macroglia

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#Id: 1275

#Unit 7. System Physiology – Animal

Important effect of cortisol, Decrease translocation of GLUT4 to the cell membrane.