ATP is required for the binding, but is not hydrolyzed until a later stage. The transcription factor ABF1 binds to the B3 element; this assists initiation by affecting chromatin structure, but it is the events that occur at the A and B1 elements that actually cause initiation

TLS Online TPP Program

#Id: 4540

#Unit 12. Applied Biology

For subunit vaccine, a eukaryotic cloning host is always used because the recombinant proteins produced by bacteria are nonglycosylated, and glycosylation is necessary for the proteins to be immunologically active.

TLS Online TPP Program

#Id: 5759

#Unit 10. Ecological Principles

Species richness- which is a count of the number of species.

TLS Online TPP Program

#Id: 7027

#Unit 11. Evolution and Behavior

Proximate causes - The subject of cell biology, neurobiology, and many other biological disciplines

Ultimate causes - Their historical causes, especially the action of natural selection

TLS Online TPP Program

#Id: 5971

#Unit 10. Ecological Principles

NPP of different ecosystem  Swamp and marsh ecosystems, can produce more biomass annually than tropical forests. In Open ocean, Nutrients are scarce in the sunlit surface waters, where low nutrient levels limit productivity to a tenth that of temperate forests

TLS Online TPP Program

#Id: 384

#Unit 2. Cellular Organization