In Selecting Recombinant Bacteria, Cells Are Chosen That Are Resistant

question 25

Multiple Choice

In selecting recombinant bacteria, cells are chosen that are resistant to a specific antibiotic. How are the bacteria made resistant?

• A)They are pre-selected for the experiment on this basis.
• B)The antibiotic resistance gene is encoded in the vector.
• C)The antibiotic resistance gene is encoded on the donor insert.
• D)Resistance is activated by the recombination event.
• E)Resistance is activated when the cells are provided with the antibiotic

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Definitions:

Exoskeleton

A rigid external covering that supports and protects the bodies of certain animals, such as insects, crustaceans, and some mollusks.

Echinodermata

A phylum of marine animals including sea stars, sea urchins, and sea cucumbers, characterized by radial symmetry and a unique water vascular system.

Echinoderms

A phylum of marine animals that includes starfish, sea urchins, and sea cucumbers, characterized by radial symmetry and a unique water vascular system.

Radial Symmetry

A symmetrical arrangement of parts around a central axis, as seen in many aquatic organisms, allowing them to interact with their environment from any direction.