Create an account
Visible light penetrates an object and is focused by glass lenses to form an image on the retina or on film.
uses electrons instead of light, the shorter wavelength of electrons gives greater resolution
Transmission Electron Microscope
focuses a bem of electrons through a specimen. Mainly used to study the internal structure of cells
Scanning Electron Microscope
focus a beam of electrons onto the surface of a specimen, providing images that look 3-D.
the aqueous part of the cytoplasm within which various particles and organelles are suspended
Lack Nucleus, Lack various internal structures bound with phospholipid membranes, Are Small, Have a simple structure, Include Bacteria and Archaea
Have Nucleus, Have internal membrane bound organelles, Are Larger, More Complex Structure.
a selective barrier that allows sufficient passage of oxygen, nutrients, and waste to service the volume of every cell
an internal membrane system in which components of cell membrane and some proteins are constructed
The Transport system of the cell, that regulates protein traffic and metabolic functions
Modifies products of the ER, Manufactures certain macromolecules, Sorts and Packages materials into transport vesicles.
here, membranes of neighboring cells are pressed together, preventing leakage of extracellular fluid.
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