Display standard browser error message if, for some reason, page cannot be found. Takes user to tutorial page for the structure selected. May also go to welcome screen, game screen, or help screen. Purpose Input Output Processing Tutorial Screens for Cell Structures Presents information about a specific cell structure. From this page, the user may go to related structures, go back to the main tutorial page, or access a help page.
Mouse click on link to another tutorial page or on any of the buttons.
A picture and a description of a cell structure, as well as links to other cell structures related by function. Displays the next selected page. Display standard browser error message if, for some reason, page cannot be found. Processes the link selected on the page. Takes user to tutorial page for the structure selected.