Before the 20th Century,there Was No Concept of Adolescence; Children

question 11

Multiple Choice

Before the 20th century,there was no concept of adolescence; children moved to adulthood either through physical maturity or when they began apprenticeships.Adolescence is

• A) an arbitrary state.
• B) a sign of puberty.
• C) a social construction.
• D) a genetically determined stage.

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Definitions:

Stroma

The supportive tissue of an epithelial organ, tumor, gonad, etc., consisting of connective tissues and blood vessels, or the dense fluid found inside the chloroplasts of plant cells.

Thylakoid Compartment

The thylakoid compartment is a space within the chloroplasts of plant cells, surrounded by thylakoid membranes, where the light-dependent reactions of photosynthesis occur.

Electron Transport Chain

A series of complexes that transfer electrons from electron donors to electron acceptors via redox reactions and couples this electron transfer with the transfer of protons (H+ ions) across a membrane.

Thylakoid Membrane

A membrane-bound compartment inside chloroplasts and cyanobacteria, the site of the light-dependent reactions of photosynthesis.