BIO311C (2008) Introductory Biology I Lecture Review 01 (01/14-01/23) 1.Biological Hierarchy 2.Characteristic of living things (1) 7 major characteristics of living organisms (UNITY): a. all living things consist of: CARBOHYDRATES, LIPIDS (fats), PROTEINS and NUCLEIC ACIDS b. Organisms consist of single or multi-cells. c. Cells are constructed of the same kinds of atoms and molecules according to the same natural laws of energy (thermodynamics). ÆLiving things are complex AND organized d. Organisms acquire and use energy and materials to survive ae. In all livinnd reproduce. g things, heritable information is encoded in DNA (deoxyribonucleic acid). f. Reproduction, growth and repair are the basis for cell division. 1
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