Shared Flashcard Set

Details

cell transport/cellcycle vocab
vocab words for chapter 8
25
Science
10th Grade
09/26/2006

Additional Science Flashcards

 


 

Cards

Term
osmosis
Definition
diffusion of water across a selectively permeable membrane
Term
isotonic solution
Definition
when the consectration on the outside is equal to the inside of the cell
Term
hypotonic solution
Definition
the concentration of dissolved substances is lower in the solution outside thecell than the concentration inside of the cell
Term
hypertonic solution
Definition
the concentration outside is higher than the concentration inside of the cell
Term
passive transport
Definition
the movement of particles across cell membranes using osmosis or diffusion: the cell uses no energy
Term
facilitated diffusion
Definition
passive transport of material using transport proteins
Term
active transport
Definition
movement of materials through a membrane against a concentration gradient
Term
endocytosis
Definition
when a cell surrounds and takes in material w/its plasma membrane
Term
exocytosis
Definition
materials are expelled from the cell
Term
anaphase
Definition
third phase of mitosis in which centrophere splits
Term
cell cycle
Definition
continuos cycle of cell growth and division
Term
centriole
Definition
in animal cells a pair of small cylindrical structures made of tubulles
Term
centromere
Definition
cell structure that joins 2 sister cromatids at a chromosome
Term
chromosome
Definition
cell structures that carry genetic materials
Term
cytokinesis
Definition
hormones that stimulate mitosis
Term
interphase
Definition
cell growth phase
Term
metaphase
Definition
2nd phase of mitosis
Term
mitosis
Definition
period of cell division
Term
prophase
Definition
1st phase of mitosis
Term
sister chromatid
Definition
the halves of a parent chromosome
Term
telophase
Definition
4th phase of mitosis
Term
cancer
Definition
uncontrolled cell division
Term
gene
Definition
DNA that controls protien production and cell cycle
Term
organ
Definition
a group of tissues organized for complex jobs
Term
tissue
Definition
group of cells that works together
Supporting users have an ad free experience!