Which structure is described as “composed of 9 pairs of microtubule doublets that surround two central tubules”?

In eukaryotes, a ubiquitin tag is added to misfolded proteins to target them to the proteosome.

The function of an intracytoplasmic membrane in  bacteria is comparable to a mitochondrion in an aerobic eukaryotic organism.

Which flagellar arrangement is depicted by the cell in the middle of this image?  

rRNA sequences have shown that bacteria is the last universal common ancestor.

Which of the following cytoskeletal components is involved in ameboid movement and is twisted in a helical fashion?

To construct this growth curve, the broth medium is changed out every 4-6 hours.

What consequence would Escherichia coli face if there was a mutation in its ParS gene?

What is the main complication caused by crystallized biofilms in urinary catheters?

In 1825 the first juvenile reformatory in America was established. What was the name of this reformatory?