Primitive Pit 

A funnel-shaped depression at the center of Hensen’s node through which cells migrate to form the notochord and prechordal plate.

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#Id: 2750

#Unit 13. Methods in Biology

Amplified Fragment length Polymorphism (AFLP) shares some features of both RFLP and RAPD analyses.

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#Id: 5742

#Unit 10. Ecological Principles

Idiosyncratic hypothesis Community services change as the number of species increases or decreases, but that the direction of change is not predictable

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#Id: 6846

#Unit 5. Developmental Biology

Induction

Kind of interaction in which one group of cells changing the behavior of an adjacent set of cells, thereby causing them to change their shape, mitotic rate, or cell fate. 

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#Id: 3627

#Unit 3. Fundamental Processes

Mitochondria have their own tRNAs, so their code variations do not affectthe much larger cellular genome.

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#Id: 2284

#Unit 3. Fundamental Processes

Presence of the s-subunit permitted recognition of authentic RNA polymerase binding sites