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Chapter 5 - Cells
Organisms who cells never contain a nucleus
the concentration of solutes inside the cell is greater than the concentration of solutes outside the cell
a process where a cell engulfs a food particle instead of a drop of liquid
structures that work like miniature organs, carrying out specific functions in the cell
Everything between the cell membrane and the nucleus is the cell's
sometimes called cell drinking
the net movement of molecules from an area of higher concentration to an area of lower concentration
the difference between the concentration of a particular molecule in one area and the concentration in an adjacent area
make ribosomes, which, in turn make proteins
allows certain molecules to pass through
the power house of a cell
Poisons, wastes, and other toxic chemicals are made harmless in the ________ reticulum, it also connects the nuclear envelope to the cell membrane
in the nucleus contain coded blueprints that control all cullular activity
short, hairlike, projections of locomotion
maintains the three dimensional structure of the cell and helps the cell move
the diffusion of water across a semipermeable membrane
when energy is used to transport molecules across the membrane the process is called
______ in the cytosol are tiny organelles
In a ___________ solution , the concentration of solutes inside and outside the cell is equal.
hollow tubes, like plumbing pipes that maintain the shape of the cell and serve as tracks for organelles to move along within the cell
the concentration of solutes outside the cell is higher than the concentration of solutes inside the cell