Exam 23: Gene Regulation

Allolactose acts as a(n)

Describe the two primary functions of transcriptional activator proteins.

What by-product can be measured for in a cell if lacZ is being used as a reporter gene?

When bacteriophage $\lambda$ generates progeny viruses that kill the bacterial host E. coli genome, what is that lifestyle called?

Define the different mechanism of positive and negative gene regulation by ligand binding.

The portion of the histone that can be acetylated is the

Compare the two mechanisms used for control of the trp operon.

In yeast, the sugar galactose is converted to what molecule to enter glycolysis?

One of the most common binding interactions between proteins and DNA are __________ bonds.

What kind of control mechanism is ligand-induced binding of an activator protein?

The eve stripe 2 enhancer can be defined as multiple sites for at least four .

In negative autoregulation,

In cooperative DNA binding, the binding of

Together, the eight histone molecules are called the histone

Which of the following is NOT a common mechanism for modifying transcription factor activity?

When histones are acetylated, the nucleosome-histone interaction

In a leucine zipper, the leucine resides are found every seventh amino residue. This forces the supersecondary structure to be a(n)

Producing an iPS cell is remarkable because the pathway

When DNA is damaged, what protein is activated?

High concentration of CI protein in the cell __________ expression of the _.