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Three-year-old Missy and her four-year-old brother Bob are watching a movie. In the movie, a "monster" sneaks into the closet while the little boy is sleeping. While Missy says nothing, Bob begins to shout at the screen telling the little boy not to open the closet door. Their different reactions reflect
Nervous System Function
The collective tasks performed by the nervous system, including controlling and coordinating all body functions, sensing and responding to stimuli, and transmitting signals between different parts of the body.
Epigenetic Mechanisms
Biological processes that alter gene expression without changing the DNA sequence, influencing organism development and behavior.
Gene Expression
Gene expression is the process by which information from a gene is used to synthesize a functional gene product, often a protein, which can affect the characteristics of a cell or an organism.
Histone Modification
Chemical modifications to the histone proteins around which DNA is wrapped, influencing gene expression without altering the DNA sequence itself.
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