When a ligand binds to a receptor protein, what generally happens to the protein?

The DNA strand that is not read to synthesize a new RNA strand, and as such is an almost exact copy for the new RNA strand (replacing T’s with U’s) is called what?

As the amount of lactose in an E. coli cell increases, explain what will happen to: The lac operon Lactose-related enzyme activity You should explain in detail, identifying both what will happen to both of these and why it will happen.

Which of the following is not a means of RNA processing?

Where in the eukaryotic cell does translation generally occur?

Which of the following is an example of an inducible operon?

Which of the following does not possess a repressor protein bound to its operator sequence in its natural state?

The following is a segment of a DNA strand. Identify the mRNA sequence that would result from transcription of this segment. Be sure to label both ends of the strand as well as identify the sequence of the strand. 5′ – TACCGTATCTGAC – 3′ 3′ – ATGGCATAGACTG – 5′  

What is the function of telomeres in eukaryotic chromosomes? Why do prokaryotes not require telomeres (be specific)?

What is relayed from molecule to molecule in a signal transduction pathway?