Science Chapter 3 Flashcards
passive transport:
movement of molecules w/o energy input
osmosis:
passive transport of water via diffusion
active transport:
protein binds to a particle and uses energy to move through the cell membrane
equilibrium:
when molecules in a substance are spread evenly
producer:
something that makes it’s own food
enzymes:
speeds up chemical reactions
exocytosis:
when vesicles release their contents
metabolism:
all the activity that occurs in the interior of an organism
diffusion:
movement of molecules to where less molecules are
consumer:
an organism that can’t make it’s own food
organic compound:
containing carbon and hydrogen
fermentation:
releasing energy w/o oxygen w/ glucose
inorganic compound:
elements other than carbon and hydrogen
endocytosis:
taking substances into a cell and surrounding it
mixture:
is a blend of two or more substance , each of which retains its identity
compound:
substance made up of two or more elements which are chemically combined
matter:
has mass and takes up space