I argue mostly but there are still some exceptions:

http://www.the-scientist.com/?articles.view/articleNo/27680/...

http://www.xconomy.com/seattle/2009/02/06/sticking-it-to-the...

Also nowadays there are biotech incubators with all the basic equipment where you can rent a bench for around $2k/month.

http://www.nature.com/nm/journal/v19/n12/full/nm1213-1556.ht... [Paywall]