G1/S Cyclin–CDKs

In human - cyclin E-CDK 2 

In budding yeast - CIn 1/2-Cdc 28

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#Unit 4. Cell Communication and Cell Signaling

Three classes of classical cadherins: 

E-cadherin -present on many types of epithelial cells

N-cadherin - present on nerve, muscle and lens cells

P-cadherin - present on cells in the placenta & epidermis

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#Id: 8596

#Unit 2. Cellular Organization

Septins 

GTP-binding proteins 

serve as an additional filament system in all eukaryotes except terrestrial plants. 

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#Unit 5. Developmental Biology

At the same time, the sperm microtubules induce the contraction of the actin-myosin cytoskeleton toward the anterior, thereby clearing PAR-3, PAR-6, and PKC-3 from the posterior of the 1-cell embryo.

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#Id: 6667

#Unit 3. Fundamental Processes

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

Group I introns are more common than group II introns.

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#Id: 6745

#Unit 8. Inheritance Biology