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Matter exists in various forms and is classified into three states: solid, liquid, and gas, each defined by the arrangement and movement of its particles. Changes in temperature and pressure can convert matter from one state to another through processes like melting, boiling, sublimation, and deposition. The properties of matter, including density and the intermolecular forces, present important characteristics for understanding its behavior in different contexts.
Cells are the fundamental unit of life, comprising a range of structures that perform essential functions. They are classified into prokaryotic and eukaryotic types, with distinct differences in structure and organization. The chapter covers the various components of cells, including the plasma membrane, nucleus, cytoplasm, organelles, and their respective functions in living organisms.
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