Slab gels can develop a “Smiling Effect” When in a gel more Joule heat is produced than can be dissipated, leads to the higher mobility of the ions in the center, resulting in an uneven distribution of the zones, These zones bend up at the two lateral sides, causing “smiling.” 

TLS Online TPP Program

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#Unit 3. Fundamental Processes

Eukaryotic replicons are 40 to 100 kb in length and individual replicons are activated at characteristic times during S phase.

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#Unit 13. Methods in Biology

The denser a biological structure is, the faster it sediments in a centrifugal field.

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#Id: 5455

#Unit 7. System Physiology – Animal

The spatial distribution of ion channels along the axon plays a key role in the initiation and regulation of the action potential

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#Unit 13. Methods in Biology

Several methods are available, but three are very popular: DNase, dimethylsulfate (DMS), and hydroxyl radical footprinting. 

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#Id: 5386

#Unit 10. Ecological Principles

Density-independent factors limit population size regardless of the population’s density.

Common density-independent factors include natural disasters such as tornadoes, hurricanes, floods, and fires.