do what u will enjoy: the most important thing
call up the uni's and explain your situation, as it is always good to directly speak to the people that will process your application
for ur pick on courses, think about what you enjoyed doing in your science subjects, was it the experiments?, was it the research of different diseases?, did you like learning about biology on a cellular level or physiology?, did you like learning about the chemistry behind everyday products like mayonnaise? once you have thought of this, research courses that come under that umbrella. For example if you liked learning about tumour growth and how those tumours affected the immune system, you could research cancer biology, immunology and microbiology, which all come under biomedical science, that already is 5 different courses you could do at university.