We always recommend the compounds like pull ups and rows for bicep growth... but this is a nice graphic showing how different isolation movements hit different heads. When starting on a muscle-building program, one of the key body parts that many people want to place a large focus on are the biceps. The biceps tend to be a highly noticed muscle group by others, so if you have nicely developed arms, people are going to know you're on top of your workout game.
Muscles Magician