Wiley Essential Biochemistry Online

I joined the Ritchie Lab back in 2007, and even though it's only been three years away from the bench, I've forgotten much of what I learned back in biochem classes.  I'm giving a talk on lipid genetics next week, and I found the Wiley Essential Biochemistry website very helpful for brushing up on some basic lipoprotein biology. There are 27 chapters covering a broad range of topics from enzyme kinetics to phosphofructokinase regulation. Many of them have short animations and optional exercises to test your knowledge. It's a great resource for brushing up on some fundamental biochemical concepts when you need to.