The Polymerase Chain Reaction Allows DNA to Be Copied in a Test

question 32

Short Answer

The polymerase chain reaction allows DNA to be copied in a test tube without using a ____________________ or a host cell.

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Definitions:

Psychological Energy

A theoretical concept referring to the use of mental resources or drive to perform tasks, involving processes like motivation, attention, and effort.

Ego

In Freudian theory, the mental structure that develops out of the id as the infant is forced by reality to cope with the social world. The ego mediates between the id and the social world, allowing children to control and regulate behavior.

Superego

In Freudian terms, the conscience. It represents the authority of the child’s parents and sits in stern judgement of the ego’s efforts to hold the id in check. It becomes a major force in the personality in middle childhood.

Ego

In Freudian theory, the part of the psyche that mediates between the demands of the id, the superego, and reality, playing a key role in managing self-identity and consciousness.