At the 4-cell stage, the EMS cell requires a signal from its neighbor (and sister cell), the P2 blastomere.

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#Id: 2252

#Unit 11. Evolution and Behavior

Adaptive landscape- A surface in multidimensional space that represents the mean fitness of a population.

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#Id: 9743

#Unit 6. System Physiology – Plant

Glycosylated triterpenoid compound avenacin A1, found in oat (Avena sativa) roots The wheat root pathogen Gaeumannomyces graminis var. tritici is extremely sensitive to avenacins

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#Id: 1046

#Unit 5. Developmental Biology

Fgf10 is the major active factor in the PZ.

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#Id: 6022

#Unit 3. Fundamental Processes

The leading-strand DNA polymerase (E) is recruited to the helicase at this stage (before DNA unwinding). After formation of the CMG complex, Sld2, Sld3, and Dpb11 are released from the origin. 

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#Id: 6299

#Unit 3. Fundamental Processes

In the case of the bacterial enzyme bearing s70, this transition, often called isomerization, does not require energy derived from ATP hydrolysis and is instead the result of a spontaneous conformational change in the DNA– enzyme complex to a more energetically favorable form.