The single circular chromosomes of Sulfolobus species have three origins and thus are composed of three replicons.

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#Id: 5738

#Unit 10. Ecological Principles

Elton’s hypothesis suggests there is a linear correlation between species richness and community services

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#Id: 9871

#Unit 6. System Physiology – Plant

The UVR8- COP1-SPA complex then activates the transcription of the major transcription factor HY5, which controls the expression of many of the genes induced by UV-B.

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#Id: 1543

#Unit 2. Cellular Organization

Stathmin decreases the effective concentration of tubulin subunits that are available for polymerization (an action analogous to the drug colchicine) and enhances that a growing microtubule will switch to the shrinking state.

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#Id: 973

#Unit 5. Developmental Biology

The ectoderm is induced to become epidermal tissue by BMPs

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#Id: 3266

#Unit 3. Fundamental Processes

The carcinogenic effects of ionizing radiation and oxidizing agents are partly caused by free radicals that convert guanine to oxoG.