The Federation for American Societies of Experimental Biology (FASEB) has several lists of funding opportunities for young scientists:
For individual who belong to underrepresented groups: http://www.faseb.org/Policy-and-Government-Affairs/Science-Policy-Issues/Training-and-Career-Opportunities-for-Scientists/Resources-to-Enhance-Diversity-in-Science/FASEB-society-programs--categorized-by-society-.aspx
Science and Training Awards (scroll down to the undergraduate section): http://www.faseb.org/Policy-and-Government-Affairs/Science-Policy-Issues/Training-and-Career-Opportunities-for-Scientists/Science-Training-and-Education-Opportunities/FASEB-Society-Programs--by-Type-.aspx
