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: 377

#Unit 2. Cellular Organization

For negatively supercoiled circle W < 0 

For a positively coiled superhelix W > 0.

 

TLS Online TPP Program

#Id: 2104

#Unit 8. Inheritance Biology

Wolf–Hirschhorn syndrome- Deletion on 4, short arm

TLS Online TPP Program

#Id: 3330

#Unit 3. Fundamental Processes

Central to transcription-coupled repair in eukaryotes is the general transcription factor TFIIH.

TLS Online TPP Program

#Id: 9408

#Unit 11. Evolution and Behavior

Group Living Has Advantages and Disadvantages

When animals live together in groups such as flocks or herds

Disadvantage- Group promote competition for food and increased transmission of parasites and other diseases.

Advantage - Benefits relate to group defense against predators through increased vigilance and through protection in numbers.

TLS Online TPP Program

#Id: 620

#Unit 2. Cellular Organization

At high or low trp concentration, RNA Polymerase synthesizes full mRNA till region 4