From the List Below, Select the Sequence of Steps for Inserting

question 90

Multiple Choice

From the list below, select the sequence of steps for inserting a piece of foreign DNA into a plasmid vector, introducing the plasmid into bacteria, and verifying that the plasmid and the foreign gene are present:
(1) Transform host cells.
(2) Select for the lack of plasmid reporter gene 1 function.
(3) Select for the plasmid reporter gene 2 function.
(4) Digest vector and foreign DNA with a restriction enzyme, which inactivates plasmid reporter gene 1.
(5) Ligate the digested plasmid together with the foreign DNA.

• A) 4, 5, 1, 3, 2
• B) 4, 5, 1, 2, 3
• C) 1, 3, 4, 2, 5
• D) 3, 2, 1, 4, 5
• E) 1, 3, 2, 5, 4

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Definitions:

CS

Conditioned Stimulus; A previously neutral stimulus that, after being paired with an unconditioned stimulus, evokes a conditioned response.

UCS

Unconditioned Stimulus; in classical conditioning, a stimulus that unconditionally, naturally, and automatically triggers a response without prior learning.

CR

In classical conditioning, it stands for Conditioned Response, which is the learned reaction to a previously neutral stimulus.

Extinction

In behavioral psychology, the process through which a conditioned response decreases in frequency and eventually disappears.