Actin can reversibly assemble into filaments that consist of two helices of actin subunits

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#Id: 169

#Unit 5. Developmental Biology

The optic vesicle secrete two paracrine factors:

 BMP4

 FGF8

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#Id: 2986

#Unit 3. Fundamental Processes

In E. coli., DNA polymerase III, a multisubunit protein, is the replication polymerase responsible for de novo synthesis of new strands of DNA. 

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#Id: 10157

#Unit 6. System Physiology – Plant

Strigolactone is a group of trepenoids that produced in both shoots and roots and is transported through xylem

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#Id: 10322

#Unit 4. Cell Communication and Cell Signaling

Sometimes the tumor cells up-regulate the expression of anti-apoptotic proteins like BCL-2.

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#Id: 5633

#Unit 7. System Physiology – Animal

The retina organized into layers: Outer nuclear layer contains the photoreceptors , rods & cones 

Inner nuclear layer contains the cell bodies of excitatory and

inhibitory interneurons including bipolar cells, horizontal cells, & amacrine cells