Biology
Animations
Contains easy-to-understand animated explanations of PCR, Southern Blot, DNA Sequencing,
etc.
Biomath Biological
Calculations
Handy utilities for unit conversions commonly used
in molecular biology: pmol, ng, ug, uL, etc.
Molecular
Biology Techniques Manual
An excellent source of information for PCR as well as other techniques such as
blotting and SDS-PAGE.
Net
Primer
Calculates all kinds of statistics for PCR primers: Tm, %GC, delta-G, primer-dimer
possibilities, etc.
Oligonucleotide
Properties Calculator
Does the same things as above-- get a second opinion!
Schepartz
Lab Biopolymer Calculator
Does the same things as above-- get a third opinion!
Sequence Manipulation
Site
Lots of tools for DNA sequence analysis such as reverse complement, translation;
also verifies the annealing positions of your primers.