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Biology: life study of What is Life? Properties of Life Cellular Structure: the unit of life, one or many Metabolism: photosynthesis, respiration, fermentation, digestion, gas exchange, secretion, excretion, circulation--processing materials and energy Growth: cell enlargement, cell number Movement: intracellular, movement, locomotion Reproduction: avoid extinction at death Behavior: short term response to stimuli Evolution: long term adaptation Middle Lamella-pectin glue Cell Wall-cellulose+protein Cell Membrane-phospholipid -transport proteins Plant Cell Structure Chloroplast -photosynthesis Cytosol-enzymes for -fermentation -glycolysis Mitochondria -respiration Nucleus-DNA -transcription -replication Vacuole -toxic waste processing Vesicles -import/export package Golgi Apparatus -sorting -packaging Endoplasmic Reticulum -internal transport Ribosomes -protein synthesis -translation