To test directly the influence of nucleosome location on the ability of Dam methyltransferase to modify GATC sites in chromatin, we analyzed minichromosomes containing precisely positioned nucleosomes in dam-expressing yeast strains. Levels of methylation at individual GATC sites were rigorously quantified by an oligonucleotide-probing procedure.
Complete junior drum sets typically start at around $300. This price includes stock cymbals and all the necessary hardware and stands. Drum thrones â what you sit on â may not be included, and can range in price from $30 up to $200. A drum kit in the $300 range is acceptable for a young, first-time player. These junior kits are traditionally three- or four-piece sets.
Typical costs: 1  Half-hour drum lessons run about $10-$30, although some highly experienced or uniquely qualified teachers may charge up to $50 or more for a half-hour, and those in a rural area might charge less. 2  For free online drum lessons, check out OnlineDrummer.com and DrumBum.com .