Consider a Semipermeable Membrane That Allows Molecules Such as DNA

question 58

Multiple Choice

Consider a semipermeable membrane that allows molecules such as DNA and proteins to pass through to the other side. This membrane is not permeable to structures such as ribosomes, viruses, and cells. The following tubes are set up with membrane in between the two compartments in each tube. Tube 1. Cells, both donors and recipients, on both sides of the membrane
Tube 2. Bacteriophage on one side of the membrane and recipient cells on the other
Tube 3. DNA on one side and recipient cells on the other side
In which of these tubes would you see a genetic process, and what is the name of that process?

• A) Tube 1; conjugation
• B) Tube 2; conjugation
• C) Tube 3; conjugation
• D) Tube 3; transduction
• E) Tube 3; transformation

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Definitions:

Externalities

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Economies of Scale

The cost advantages that enterprises obtain due to their scale of operation, with cost per unit of output generally decreasing with increasing scale as fixed costs are spread out over more units of output.

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Leash Law

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