Create an account
located in the nucleus and produces tiny cell particles that are involved in protein synthesis called RIBOSOMES
Endoplasmic Reticulum (ER)
folded, complex system of membranes forming a type of transport system in the cytoplasm of eukaryotic cells
Golgi Appartus vacuole
membrane sacs that receive, chemically modify, and repackage proteins into forms the cell can use, expel, or keep stored
membrane-bound organelles containing enzymes that digest food particles, viruses and bacteria, worn-out cell parts, and sometimes the cell itself
organic compounds commonly called fats and oils; insoluble in water, lipids are the major components of membranes surrounding all living cells
the diffusion of water molecules through a selectively permeable membrane form an area of higher concentration to and area of lower water concentration
What was Darwin's theory of Natural Selection?
heritable variation+competition+selective pressure=natural selection
proteins that accelerate chemical reactions but do not change themselves in the reaction; enzymes enable molecules to undergo chemical change, forming new subatnaces called products
cell division during which chromosomes are equally distributed to the two identical daughter cells that are formed; results in growth
thin fiber structure that forms between the two poles or centioles during prophase and shortens during anaphanse, pulling the sister chromatids apart
process requiring energy by which cells move materials against a concentraton gradient
in cells, movement across cell membranes requiring no expenditure of energy by the cell; ex. diffusion and osmosis
passive transport of materials, such as sugars and amino acids, across the plasma membrane by way of transport proteins
in cells, solution in which the concentration of dissolved materials is lower in the solution surrounding the sell than the concentration inside the cell, which will swell and possibly burst as water enters the cell by osmosis
Please allow access to your computer’s microphone to use Voice Recording.
Having trouble? Click here for help.
We can’t access your microphone!
Click the icon above to update your browser permissions and try again
Reload the page to try again!Reload
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Please upgrade Flash or install Chrome
to use Voice Recording.
For more help, see our troubleshooting page.
Your microphone is muted
For help fixing this issue, see this FAQ.
Star this term
You can study starred terms together