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Introduction to Molecular and Cellular Biology


Biology is the science of life. Its name is derived from the Greek words “bios” (life) and “logos” (study). Biologists study the structure, function, growth, origin, evolution and distribution of living organisms. There are generally considered to be at least nine “umbrella” fields of biology, each of which consists of multiple subfields.

Biochemistry is the study of the material substances that make up living things

Botany is the study of plants, including agriculture

Cellular biology is the study of the basic cellular units of living things

Ecology is the study of how organisms interact with their environment

Evolutionary biology is the study of the origins and changes in the diversity of life over time

Genetics is the study of heredity

Molecular biology is the study of biological molecules

Physiology is the study of the functions of organisms and their parts

Zoology is the study of animals, including animal behavior


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