Keystone species - Species within a community that has a role out of proportion to its abundance. Pisaster (starfish) preyed on a variety of intertidal organisms Beaver , Fig Tree, Digs

TLS Online TPP Program

#Id: 5912

#Unit 3. Fundamental Processes

The DnaG primase is an RNA polymerase is smaller than RNA Polymerase; and synthesizes short stretches of RNA that are used as primers for DNA synthesis.

TLS Online TPP Program

#Id: 2540

#Unit 13. Methods in Biology

In PCR, the primer length influences the rate at which primer molecules pair with template DNA; this rate decreases as the primer length increases.

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#Id: 1580

#Unit 4. Cell Communication and Cell Signaling

Delipidation process reduces Wnt signaling, creates a negative feedback mechanism for preventing excessive Wnt signaling.

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#Id: 8014

#Unit 10. Ecological Principles

Proportional similarity values of less than 0.70 have been taken to indicate possible coexistence

While those greater than 0.70 indicate competitive exclusion.

TLS Online TPP Program

#Id: 7844

#Unit 1. Molecules and their Interaction Relevant to Biology

Linear form of glucose (and other aldohexoses) could undergo a intramolecular reaction to form a cyclic hemiacetal.