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The Cell in Action

Monya Fuller

TermDefinition
Diffusion the movement of particles from regions of higher density to regions of lower density.
Osmisis the diffusion of water through a semipermeable membrane
Passive Transport the movement of substance across a cell membrane without the use of energy by the cell.
Active Transport the movement of substance across the membrane that requires the cell to use energy.
Endocyosis the process by which a cell membrane surrounds a particle and encloses the particle in vesicle to bring the particle into the cell
Exocytosis the process in which a cell release a particle by enclosing the particle in a vesicle that then moves to te cell surface and fuses with the cell membrane.
Photosynthesis the process by which plants,algae, and some bacteria use sunlight, carbon dioxide, and water to make food.
Cellular Respiration The process by which cells use oxygen to produce energy froom food
Fermentation the breakdown of food without the use of oxygen
Cell Cycle the life cycle of a cell
Chromosome in a eukaryotic cell, one of the structures in the nucleus that are made up of DNA and protein; in a prokaryotic cell, the main ring of DNA
Homologous Chromosomes Chromosomes that have the same sequence of genes and the same structure
Mitosis In eukaryotic cells, a process of cell division that forms two new nucle, each of which has the same number of chromosomes
Cytokinesis the division of the cyoplasm of a cell
Created by: Monya
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