The model organism Escherichia coli is growing in a nutrient rich environment. If glucose is depleted, what would be the first response of Escherichia coli to the change in the environment?

Scientists have identified an oxygen-free, dead zone where the Mississippi River enters the Gulf of Mexico. The increase in corn production in Midwestern states that border the Mississippi River has increased the size of this zone due to:

Your company wants to make large quantities of human growth hormone (hGH). You propose to clone the entire hGH gene from the chromosomes of a healthy human and place it into the DNA of E. coli. These E. coli will NOT begin synthesizing hGH because:

How do vaccines and antibiotics each function?

For a gene that is only regulated by a repressor, a mutation that destroys the activity of the repressor would:

Finding common metabolic pathways, such as the tricarboxylic acid (Krebs) cycle, in both prokaryotic and eukaryotic organisms is:

According to your course calendar, when are your initial posts due? 

What happens if an assignment is one day late?

What is the best method of contact for your instructor?

How many points are each of your tests worth?