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The following gel represents RNA extracted by four students (1-4)  in a lab. Who was most successful in extracting RNA?

In an experiment, RNA was extracted from eukaryotic cells and subjected to agarose gel electrophoresis.  What is the identity of bands shown by the  arrows, A and B, in the image?

In the picture below, the question mark indicates something that is required to convert a specialized skin cell into an pluripotent cell (iPS).  Which of the following can the question mark represent?

Shown below is the result of digesting pCMV with Not1 and Sma1 enzymes and resolving the products on a 1% agarose gel.  Does the plasmid map of pCMV shown below correlate with the results of digestion?

The following plasmid was inserted into a bacterial cell and its presence was confirmed.  However, the plasmid failed to replicate inside the cell.  Which of the following answers could best explain the reason for this failure?  

A cell that has received the following plasmid could not survive in the presence of the antibiotic, Ampicillin.  What could be a possible explanation for this?

The following plasmid contains the gene for green fluorescence protein in the multiple cloning site and a Tetracycline resistance gene. Which of the following is correct of a cell containing the following plasmid? (assuming that all features of the plasmid works as expected)

Compare Samples A and B. Which sample has pure RNA?

10. How does the Wife of Bath describe her physical appearance?

How many husbands has the Wife of Bath had?