The Custom of __________, Engaging in Recreational Activities in Pairs

question 43

Short Answer

The custom of __________, engaging in recreational activities in pairs rather than groups and with the goal of establishing or strengthening a romantic commitment, did not arise until the 1920s.

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Definitions:

Proteomics

Study of the complete collection of proteins that a cell or organism expresses.

Genomics

Area of study that examines the genome of a species or group of species.

Amino Acids

Organic compounds that serve as the building blocks of proteins, containing both an amino group and a carboxyl group.

Transgenic Forms

Organisms that have been genetically modified to contain genes from other species.