In Permissive interaction

The responding tissue has already been specified and needs only an environment that allows the expression of these traits. 

TLS Online TPP Program

#Id: 4762

#Unit 5. Developmental Biology

In mex-3-deficient mutants, PAL-1 is seen in every blastomere.

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#Id: 9614

#Unit 4. Cell Communication and Cell Signaling

Upon insulin binding, the extracellular domain is converted into a T-shaped conformation that brings the transmembrane domains together.

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#Id: 9901

#Unit 4. Cell Communication and Cell Signaling

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#Id: 5309

#Unit 7. System Physiology – Animal

Closure of the AV valves produces the first heart sound (S1).

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#Id: 7143

#Unit 6. System Physiology – Plant