A strain of Neisseria gonorrhoeae has undergone a mutation and is no longer able to make pili. Predict the most likely outcome.
A. The bacteria will become less virulent and will not be able to readily establish infection.
B. The bacteria will become more virulent and will more readily establish infection.
C. The bacterial strain will no longer be able to transport certain sugars into the cell.
D. The bacteria will become more resistant to antibiotics.
Answer: A
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The hairline of some people drops downward near the center of the forehead and forms a distinct point. This condition is known as widow's peak. The alternative phenotype is a continuous hairline that does not drop down. A person with widow's peak always has an affected parent. Explain the inheritance pattern of widow's peak
What will be an ideal response?
The data of Huey and colleagues (1989 ) on thermoregulation in garter snakes is an example of the ________ method evolutionary biologists use to test hypotheses about adaptations
A) situational B) experimental C) observational D) phylogenetic contrast E) comparative
________ is the organelle associated with the functions of steroid biosynthesis, carbohydrate metabolism, and drug detoxification
Fill in the blank with correct word.
A northern blot differs from a Southern blot in the
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