There are many listings with scholarship opportunities for undergraduate students, here are a few:

• Undergraduate Scholarship Program from the National Institutes of Health (NIH)
  
  
• Awards for Minority Scholars
  
  
• Young Scientist Leadership Award, for students in the Biomedical Sciences Program in the College of Science and Health at Charles Drew University.
  Contact the Department Administrator at biomedicalsciences@cdrewu.edu
  
  
• Undergraduate Scholarships, fellowships and loans
  
  
• U.S. Department of Homeland Security Undergraduate Scholarships