Which of the following occur(s) during Pol II transcription preinitiation complex formation?

a. TFIIA binds to TFIIB.  b. TFIIB unwinds the DNA.

c. TFIIB contacts both TATA box–binding factor and DNA.

d. DNA bends.

TLS Online TPP Program

#Question id: 2684

#Unit 2. Cellular Organization

In DNA tertiary structure, what is a histone octamer?

TLS Online TPP Program

#Question id: 2685

#Unit 2. Cellular Organization

There are about 3 billion chemical base pairs in human DNA. Approximately what percent of these base pairs actually code for genes?

TLS Online TPP Program

#Question id: 2686

#Unit 2. Cellular Organization

 Enzyme which can break and seal the DNA strand

TLS Online TPP Program

#Question id: 2687

#Unit 2. Cellular Organization

What is the correct order for increasing gene density?

TLS Online TPP Program

#Question id: 2688

#Unit 2. Cellular Organization

The percentage of human genome which encodes proteins is approximately

TLS Online TPP Program

#Question id: 2689

#Unit 2. Cellular Organization

Which of these factors contribute to a decrease in gene density?