A typical gene transcribed by RNA polymerase II has a promoter that extends upstream from the site where transcription is initiated.

TLS Online TPP Program

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#Unit 5. Developmental Biology

The mode of fertilization in sea urchin being external, the egg and spermatozoa are released into the sea water.

TLS Online TPP Program

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#Unit 3. Fundamental Processes

TLS Online TPP Program

#Id: 8021

#Unit 10. Ecological Principles

TLS Online TPP Program

#Id: 6666

#Unit 3. Fundamental Processes

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