chapter 7 vocb
Terms
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- receptor proteins
- transmit info from outside the cell to the interior of the cell. specific receptors for certain things
- hypertonic
- more more solvent in cell than solute
- exocytosis
- the process of expelling large particles
- diffusion
- when particles move from an area were they are more concentrated to and area of lower concentration
- phagocytosis
- involves the intake of large particles
- concentration gradient
- high concentration of particles to an area of low concentration
- active transport
- requires the cell to use energy to bring in particles
- eukaryotic
- has a nucleus, protests, fungi, plants, and animals
- gap junctions
- `channels through cell membrane to another cell to signal the cell really quickly
- prokaryotic
- does not have a nucleus
- osmosis
- diffusion of water through a selectively permeable membrane
- endocytosis
- the process of taking in things through infoldings in the cell membrane. a vacuole or vesicle is formed in the process
- channel proteins
- allow ions to pass through. there are certain channels that recognize certain proteins
- cell theory
- all living things are composed of cells, cells are the basic unit of all living things, and cells come from other cells
- hypotonic
- more solute in the cell than solvent
- passive tranport
- no energy is required to bring in the particles from outside the cell membrane
- marker proteins
- identifies the cell as belonging to you or a specific type of cell
- isotonic
- solvent and solute are equal
- pinocytosis
- involves the intake of small particles and liquids
- facilitated diffusion
- particles move across cell membranes through protein channels