Blog

What are the two (2) carbon sources in PR sugar broths?

Which pH indicator: test pair below is incorrect/false?  (0.5 points) a. phenol red: TSI b. bromothymol blue: indole c. methyl red: MR test d. bromothymol blue: Simmon’s citrate test

Above is a photo of PR Sugar broths. What does “PR” mean and what is the name of the inverted tube?

Obligate aerobes will commonly produce a slimy/waxy structure at the top of the tube to keep themselves afloat, thereby avoiding “drowing”. What  is the technical term for this structure?  Hint:  it’s a type of biofilm.

In 2005, this storm came ashore and devastated coastal stretches of Alabama, Mississippi, and Louisiana, including heavy damage in the city of New Orleans.

The first vice president chosen under the terms of the Twenty-Fifth Amendment, which provides for the appointment of a vice president in the event the incumbent dies or resigns was:

Reaganomics, Ronald Reagan’s economic policy,   suggested that lowering taxes on the lower incomebrackets would stimulate investment and economic growth

The Green Party, a political party founded in 1984,  advocated environmentalism and grassroots democracy.

Third party candidate from Alabama who ran for president in the 1968 presidential election – won almost 10 million votes and 46 Electoral College votes.

In 1972, President Nixon met with the leader of this communist nation, reversing decades of U.S. diplomatic sanctions and hostility against the nation: