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Chapter 4 pre-AP Biology Set 1

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the celis outer boundary
region of the cell inside the plasma membrane that includes the fluid
part of cytoplasm that includes molecules and small particles
membrane structure that contains a celis DNA
organisms made up of one or more cels that have a nucleus
well defined intracellular bodies that perform certain functions in a cell
a group of similar cells and their products
groups of tissues that perform certain jobs
a group of organs that accomplish related tasks
a double layer of phospholipids lining up
when a cell is about to divide, the chromatin condenses
double membrane surrounding the nucleus
denser area in the nuclei
organelles made of protein and RNA that are direct protein synthesis in the cytoplasm
tiny organelles that transfer energy from organic molecules to ATP
system of membranous tubes and sacs called cisternae
system of flattened membranous sacs
vesicles that bud from the golgi apparatus and contain digestie enzymes
net work of thin tubes and filaments that crisscross the cytosol
hollow tubes made of tubulin (protein)
long threads of bead like protein actin and are linked end to end and wrapped around each other
hair like structures that extend from the surface of the cell
two short cylinders of microtubules at right angles to each other and are situated in the cytoplasm
crossing the cell membrane without any input of energy by the cell
movement of molecules from an area of higher concentration of molecules across a distance
concentration of molecules will be the same throughout the space the molecules occupy
process by which water molecules diffuse across an area of higher concentration to an area of lower concentration
solution whose solute concentration is lower than the solute concentration inside a cell
solution whose solute is higher than the solute molecules is higher outside than inside
concentration of solutes outside & inside are equal
organelles that remove water
pressure that water molecules exert against the cell water
cells shrink away, and tugor pressure is lost
the bursting of cells
passive transport
movement of these kinds of molecules across the membrane is dissisted by
transport that involves proteins
movement from higher concentration to lower
process by which cells ingest external fluid
example of active transport in animal cells involves a carrier protein
when membrane-bound organelle breaks off from the cell
transport of solutes or fluids
movement of large particles or whole cells
lysosomes to figure with the vesicle that contain the ingested bacteria and viruses
process where a substance is released from the cell through a vesicle

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