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Life Science Vocabulary Chapter 4

AB
diffusionmovement of particles from high to low concentration
osmosismovement of water through a memebrane
passive transportthe movement of particles across the cell membrane without energy
active transportmovement of particles across a cell membrane with energy
endocytosisa form of active transport; cell membrane encloses particle in a vesicle and brings it into the cell
exocytosisactive transport; large particle located within a vesicle fuses with the cell membrane and is released
photosynthesisprocess in which plants, algae, and some bacteria use sunlight, carbon dioxide and water to produce energy (glucose) and oxygen
cellular respirationcells use glucose (food) and oxygen to produce carbon dioxide, energy and water
fermentationbreakdown of food without the use of oxygen
cell cyclelife cycle of the cell
homologous chromosomeshave the same sequence and structure of genes
mitosiseukaryotic cell; the process of cell division that forms two new cells that have the same number of chromosomes



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