Researchers Have Documented the Existence of a Phenomenon Known as _____

question 106

Multiple Choice

Researchers have documented the existence of a phenomenon known as _____: the convergence, over several months, of the dates of onset of menstrual periods among women who are in close contact with each other.

• A)hypermenorrhoea
• B)cyclic amenorrhea
• C)menstrual synchrony
• D)heterocyclic bleeding

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Definitions:

Ortho

In chemistry, a designation used in nomenclature to indicate adjacent or 1,2- substitution in the structure of benzene ring compounds.

Para

In organic chemistry, this term refers to the positioning of substituents on an aromatic ring where two groups are separated by two carbon atoms, leading to a 1,4-relationship.

Bromination of Benzene

A chemical reaction where bromine is added to benzene, typically requiring a catalyst like iron bromide, to form bromobenzene.

Carbanionic Intermediate

A transient species in organic chemistry featuring a carbon atom bearing a negative charge; it plays a crucial role in various chemical reactions.