The group I and group II introns have the remarkable ability to excise themselves from an RNA. This is called auto-splicing, or self-splicing. 

Group I introns are more common than group II introns.

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#Id: 1438

#Unit 4. Cell Communication and Cell Signaling

Desmosomes

Adhesion type- Cell-cell

Cytoskeletal attachment- Intermediate filaments

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#Id: 2462

#Unit 13. Methods in Biology

A. G. Tiselius (1937) Performed Moving boundary electrophoresis  in a U-shaped tube using Schlieren optics on both end for Measurements of the electrophoretic mobilities.

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#Id: 2045

#Unit 8. Inheritance Biology

Genetic Maternal Effect, determination of the phenotype of an offspring not by its own genotype, but by the nuclear genotype of its mother.

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#Id: 6613

#Unit 7. System Physiology – Animal

In humans,

Only one of the follicles in one ovary starts to grow rapidly and becomes the dominant follicle, while the others regress, forming atretic follicles.

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#Id: 2193

#Unit 10. Ecological Principles