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TLS Online TPP Program

#Id: 7999

The range of abiotic and biotic conditions under which a species persists is its realized niche. 
The realized niche determines the geographic range of a species or of various populations that compose a species.

#XL - T Zoology #Concept of habitat and niche #Part B Pointers
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TLS Online TPP Program

#Id: 8923

#XL - T Zoology

Surveillance mechanisms known as checkpoint pathways responsible for the extraordinarily high fidelity of cell division, ensuring that each daughter cell receives the correct number of accurately replicated chromosomes
TLS Online TPP Program

#Id: 9811

#XL - R Botany

A toggle model is for phytochrome interconversion
The structure of the b-hairpin region of Pr is changed to an a helix during the conversion of Pr to Pfr, which initiates other conformational changes in the protein.
TLS Online TPP Program

#Id: 1325

#XL - T Zoology

Activated PKA enhances the conversion of glycogen to glucose-1-phosphate.
TLS Online TPP Program

#Id: 5385

#XL - T Zoology

Populations have growth limits

Categorize these limits as being either density independent or density dependent.
TLS Online TPP Program

#Id: 8912

#XL - T Zoology

When all the kinetochores have properly attached to spindle microtubules, APC/CCdc20 directs ubiquitinylation of securin and mitotic cyclins