Like this study set? Create a free account to save it.

Sign up for an account

Already have a Quizlet account? .

Create an account

Review for the science test on cells


any type of passive transport in which molecules in a HIGH concentration move to an area of a LOW concentration.


the diffusion of water.


the state in which the concentration of molecules is EQUAL in both areas.

active transport

a type of transport in which energy is required for the transportation of molecules to move from a LOW concentration to a HIGH concentration.

passive transport

the movement through a membrane, doesn't require any energy to move molecules from a HIGH concentration to a LOW concentration.


the act of taking materials into a cell by surrounding it with the cell membrane.


the act of releasing the contents of a vesicle.


Discovered cells for the first time in 1665 while looking at pieces of cork through a compound light microscope.


In 1838, he said that cells are the basic unit of organization in plants.


In 1839, he said that cells are the basic unit of organization in animals.


In 1855, he said that all cells come from other cells.


In eukaryotic cells, a process of cell division that forms two new nuclei, each of which has the same number of chromosomes. All of the organelles duplicate.


a part of the cell's life cycle in which the cell grows, the DNA is copied, and the organelles duplicate.


a part of the cell's life cycle in which the nuclear membrane disappears and the chromosomes form


a part of the cell's life cycle in which the chromosomes line up in the center of the cell and the spindle fibers form


the opposite of the prophase;the nuclear membrane re-forms, the chromosomes un-coil, and the cell has two nuclei


the chromosome pairs separate and move toward opposite poles

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!


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

Voice Recording