click below
click below
Normal Size Small Size show me how
The Cell in Action
Kayla Corson
Term | Definition |
---|---|
Diffusion | the movement of particles from regions of higher density to regions of lower density. |
Osmosis | the diffusion of water through a semipermeable membrane. |
Passive Transport | the movement of substances across a cell membrane without the use of energy by the cell. |
Active Transport | the movement of substances across the cell membrane that requires the cell to use energy. |
Endocytosis | the process by which a cell membrane surrounds a particle and encloses the particle in a vesicle to bring the particle into the cell. |
Exocytosis | the process in which a cell releases a particle by enclosing particle in a vesicle that then moves to the 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 Resperation | the process by which cells use oxygen to produce energy from 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 Chromosome | chromosomes that have the same sequence of genes and same structure. |
Mitosis | in eukaryotic cells, a process of cell division that forms two nuclei, each of which has the same number of chromosomes. |
Cytokinesis | the division of the cytoplasm of a cell. |