Practice
Check what you know, then prove it.
A ten-question quiz for every level and hands-on challenges that check your answers instantly. Scores are saved in your browser and count towards your level badges.
Level quizzes
Ten questions per level.
Score 70% or more to pass. Every answer comes with an explanation, so a wrong answer still teaches you something.
Hands-on challenges
Solve real bioinformatics problems.
Work them out by hand, in code or with the Toolbox, then check your answer.