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Describe the Symbolic Function Substage of the Preoperational Stage

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Essay

Describe the symbolic function substage of the preoperational stage.


Definitions:

Proto-oncogene

A normal gene that can become an oncogene due to mutations or increased expression, leading to cancer development.

Growth Factor

A hormone or chemical, secreted by one cell, that may stimulate or inhibit growth of another cell or cells.

Diploid State

The diploid state refers to a cell condition in which two sets of chromosomes are present, one from each parent, characteristic of most adult organisms.

Replicating DNA

The process of duplicating the DNA molecule, ensuring that each new cell receives an exact copy of the organism's genetic material.

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