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A student attempts to transform a population of E. coli with a pBluescript plasmid. How do you advise him to identify cells that have the plasmid? Answer Plate the cells on a medium containing X-gal. Cells with plasmids will turn blue. Plate the cells on a medium with ampicillin. Cells […]

In Cape York community with population of 31,357 (male: female ratio=49:51), at beginning of 2003, there were 4,908 female type 2 diabetics and 3,093 male type 2 diabetics. At beginning of 2005, there were an additional 304 female type 2 diabetics and an additional 213 male type 2 diabetics. a) […]

Bacteria Identification through Functional Media Exercise: Comparison of Functional Media Questions A. Why is Mannitol Salt Agar (MSA) classified as a type of both selective and differential medium? MSA is a selective as well as a differential media. Mannitol is the differential part, it indicates organisms that ferment mannitol. If […]

Q. The movement of glucose into a cell against a concentration gradient is most likely to be accomplished by which of the subsequent? A) passive diffusion of the glucose throughout the lipid bilayer B) facilitated diffusion of the glucose by a carrier protein C) movement of glucose into the cell […]