Dual hairpin formation (Region 3-4 forms hairpin then second hairpin is formed between Region 1-2) release RNA-DNA hybrid and RNA Polymerase causes seizing transcription of trp operon at high trp concentration.

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#Id: 6061

#Unit 10. Ecological Principles

Coral reef ecosystems  Most reefs are located between the Tropics of Cancer and Capricorn, in the Pacific Ocean.  Coral reefs are one of the most diverse ecosystems on our planet, yet they cover less than 1% of the Earth's surface. 

 

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#Id: 2474

#Unit 13. Methods in Biology

In ITP, the separation is carried out in a discontinuous buffer system. The ionized sample migrates between a leading electrolyte with a high mobility and a terminating – sometimes called trailing – ion with a low mobility, all of them migrating with the same speed.

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#Id: 7941

#Unit 2. Cellular Organization

The translocon was first identified through mutations in the yeast gene encoding a protein called Sec61α

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#Id: 1857

#Unit 3. Fundamental Processes

Constitutive active housekeeping genes and developmentally regulated genes have TATA-less promoters. 

 

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#Id: 9298

#Unit 6. System Physiology – Plant

A.  Chloroplasts