Examlex
The part of the endometrium that is lost in menstruation is the ____________________.
Male Sex
The biological category, typically associated with XY chromosomes in humans, that produces small, mobile sperm cells for reproduction.
Methyl Groups
Methyl groups are chemical groups consisting of one carbon atom bonded to three hydrogen atoms (-CH3), often influencing the function and properties of organic molecules.
Histones
Proteins around which DNA is tightly coiled in chromosomes, playing a role in gene regulation.
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