Type III/Type IV secretion systems play a major role in transfer of bacterial Nod factor in plant cell. 

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#Id: 4309

#Unit 11. Evolution and Behavior

Hamilton’s rule: It states that an allele that causes an altruistic behavior will spread if the following condition is met (rb>C)

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#Id: 8583

#Unit 2. Cellular Organization

Lamins 

contribute to genome organization as well as to the rigidity of the nucleus through linkages to the

cytoskeleton involving proteins with SUN and KASH domains

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#Id: 6993

#Unit 5. Developmental Biology

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#Id: 9848

#Unit 6. System Physiology – Plant

Blue light stimulates the accumulation of anthocyanin (A) and the inhibition of stem elongation by cryptochrome

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#Id: 6984

#Unit 5. Developmental Biology

If a stem cell divides symmetrically, have the ability to produce either two stem cells (increasing the stem cell pool by one) or two committed cells (decreasing the pool by one). This is called symmetrical renewing or symmetrical differentiating.