CELLS alive
http://www.cellsalive.com/
This website represents over 25 years of experience capturing film and computer-enhanced images of living cells and organisms for education and medical research.A stock video library provides producers with a range of subjects, and includes both live recording and computer animation.

MITOSIS world home
http://www.bio.unc.edu/faculty/salmon/lab/mitosis/mitosislinks.html
Great resourses including animations and videos, all about mitosis.

Sexual reproduction
http://www.nature.ca/genome/03/c/20/03c_23_e.cfm#c10

Cell Biology
http://www.biology.arizona.edu/cell_bio/cell_bio.html
This site provides tutorials and problems about cell biology.