What is the first step during transcription initiation in prokaryotes?
A. the transcription bubble is formed
B. RNA polymerase binds to the promoter
C. the DNA double helix is unwound
D. RNA polymerase synthesizes a short primer
E. transcription factors bind to the TATA box sequence
B. RNA polymerase binds to the promoter
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Name the three regions (or domains) of a typical transcriptional activator
What will be an ideal response?
The ability to conjugate depends on the presence within the donor cell of a plasmid called the ____
a. X factor b. F factor c. C factor d. sex pilus e. S factor
Each enzyme normally has specific pH and temperature optima at which they function best.
Answer the following statement true (T) or false (F)
Evolution is a very controversial idea among scientists
Indicate whether the statement is true or false