Examlex
Beginning in the late ________, the number of woman-headed households with children living in poverty began to increase, a phenomenon known as the feminization of poverty.
Mutations
Changes in the DNA sequence of a cell's genome, which can affect the cell's function and can be inherited.
Epigenetic Marks
Chemical modifications to the DNA or histone proteins that affect gene activity without altering the DNA sequence, influencing gene expression.
Refractory Period
The period immediately following a stimulus or action during which a nerve or muscle is unresponsive to further stimulation.
Neuron
A specialized cell transmitting nerve impulses; a nerve cell, the fundamental unit of the nervous system encoding and transferring information.
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