Examlex
A disulfide bridge within a protein molecule is different from the hydrogen bonding within the molecule because the disulfide bridge is a stronger bond than the hydrogen bond.
Boys
Male children or adolescents, typically distinguished by biological and physiological characteristics from girls.
Girls
Girls are female children from birth until adolescence, characterized by their distinct biological and gender traits compared to boys.
Average Age
The mean age of a particular group or population, calculated by adding the ages of all individuals and dividing by the number of individuals.
Primary Sex Characteristics
The main organs and structures directly involved in reproduction, including the ovaries in females and the testes in males, present from birth.
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Q84: The electron transport chain exists for the