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Study the chemical composition and physical principles of living cells and organisms, their electrical and mechanical energy, and related phenomena. May conduct research to further understanding of the complex chemical combinations and reactions involved in metabolism, reproduction, growth, and heredity. May determine the effects of foods, drugs, serums, hormones, and other substances on tissues and vital processes of living organisms.
The military conducts studies of human and animal diseases to understand their causes and to find treatments. Harmful pests and bacteria are studied to find ways to protect people and food against illness or infection. Life scientists study the biology and chemistry of living organisms.
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