Formin protein nucleate the assembly of unbranched filaments, (FH1 and FH2 domains-Actin nucleation by the formin FH2 domain).

Formins are activated by membrane-bound Rho-GTP, a Ras-related small GTPase.

The Arp2/3 Complex Nucleates Branched Filament Assembly.

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#Id: 7877

#Unit 2. Cellular Organization

The cristae’s membranes are the site of ATP synthesis thus the invaginations increase the mitochondrion’s capacity to generate ATP.

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#Id: 646

#Unit 3. Fundamental Processes

When DNA is treated with hydroxylamine, the amino group of cytosine is hydroxylated.

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#Id: 9056

#Unit 4. Cell Communication and Cell Signaling

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#Id: 7050

#Unit 11. Evolution and Behavior

Bergmann’s rule: populations in colder climates tend to have greater body mass than those in warmer climates. This pattern is so common that it has a name 

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#Id: 2500

#Unit 13. Methods in Biology

The second advantage of gradient gels is that proteins with very similar M r values may be resolved.