In an experiment you have a U-Tube with two strains of bacteria in two arms. In one arm the bacteria are Gal+ and His-, in other the strain is Gal- and His+. If the two arms are joined by a membrane that doesn’t allow bacterial cells to pass to opposite site what will you observe when you plate each arm bacterial strain on minimal media?

Question

McqOptions · Accepted Answer

McqOptions · Answer

None will grow

McqOptions · Answer

Some colonies seen in right arm

McqOptions · Answer

Some colonies seen in left arm

McqOptions · Answer

Some colonies seen in both arms

1.	In an experiment you have a U-Tube with two strains of bacteria in two arms. In one arm the bacteria are Gal+ and His-, in other the strain is Gal- and His+. If the two arms are joined by a membrane that doesn’t allow bacterial cells to pass to opposite site what will you observe when you plate each arm bacterial strain on minimal media?
A.	None will grow
B.	Some colonies seen in right arm
C.	Some colonies seen in left arm
D.	Some colonies seen in both arms
Answer» E.

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