You Have Taken E

question 51

Multiple Choice

You have taken E. coli strain A which has its own plasmids, and mixed it with E. coli B strain without plasmids. E. coli B cells now have plasmids but, in addition, they also carry some genes from E. coli A strain. What has happened is _______.

• A) the E. coli B cells have become mutants of the original culture
• B) vertical transmission of DNA has occurred
• C) an example of transformation F
• D) the cells of E. coli A were Hfr cells

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Definitions:

Marijuana Use

The consumption of cannabis, which can have various effects, both medicinal and recreational, on the body and mind.

Respiratory Diseases

A group of diseases that affect the lungs and other parts of the respiratory system, leading to a wide range of health problems.

Sterility

The incapacity to reproduce or achieve pregnancy after a specified period of trying, applicable to both sexes.

Memory Problems

Difficulties in remembering information, which can range from mild forgetfulness to severe issues affecting daily life.