Examlex
The time period before menopause, during which the menstrual periods may be irregular, is known as ____.
Steroids
A class of lipophilic compounds characterized by a core structure of four fused carbon rings, varying by the functional groups attached and serving in various biological roles.
Sesquiterpene
A class of terpenes that consist of three isoprene units and have the molecular formula C15H24.
Steroid
A type of organic molecule with a characteristic molecular structure containing four rings of carbon atoms (three six-membered and one five-membered).
Terpenes
A large and diverse class of organic compounds, produced by a variety of plants, characterized by their strong smell and used in a wide range of applications, including perfumes and medicines.
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