Modern Chemistry, Lesson 79: Biochemistry - a General View

Emphasizes that biochemistry is the chemistry of living things. Points out fifteen or more elements that have been found to be essential in animals and in plants. Water is the most abundant substance, organic material is next, and inorganic material (mostly salts) is least abundant.

Sources

  1. Catalog of Classroom Teaching Films for Georgia Schools, No. 10 (Georgia Department of Education) — title, creator, length, description