Ch.4 Vocab Flashcards
Osmosis
The diffusion of water through a semipermeable membrane
Diffusion
The movement of particles from regions of higher density to regions of lower density
Passive transport
The movement of substances across a cell membrane with out 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 witch a cell membrane surrounds a particle and encloses the particle in a vesicle to bring the particle in to the cell
Exocytosis
The process in witch a cell releases a particle by enclosing the particle in a vessels that then moves to the cell surface and fuses with the cell membrane
Photosynthesis
The process witch plants, algae, and some bacteria use sunlight,carbon dioxide, and water to make food
Cellular respiration
The process witch 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 the ekaryotic cell one of the structures in the nuclus that are made up of DNA and. Protein in a prokaryotic cell, the main ring of DNA
Homologous
Chromosomes that have the same sequence of genes and the same structure
Mitosis
This is something that repairs cells it regenerates them makes a double
Cytokinesis
The division of. The cytoplasm of a cell
