Three major classes of animal-cell junctions: 

1. Anchoring junctions

2. Tight junctions

3. Gap junctions

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#Id: 1047

#Unit 5. Developmental Biology

The cells found within the most posterior region of the progress zone constitute the zone of polarizing activity.

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#Id: 3051

#Unit 10. Ecological Principles

The rate of extinction is low at the time of first colonization and immigration rate is highest

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#Id: 6405

#Unit 2. Cellular Organization

At high or low trp concentration, RNA Polymerase synthesizes full mRNA till region 4

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#Id: 2900

#Unit 13. Methods in Biology

The greater the frictional coefficient is, the slower a particle will move

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#Id: 2137

#Unit 8. Inheritance Biology

This suppression of recombination allows alleles adapted to a specific environment to remain together, unshuffled by recombination