The potential of waste sorghum (Sorghum bicolor) leaves for bioethanol process development using Saccharomyces cerevisiae BY4743 by Daneal Carmine Solange Rorke (211508948) Submitted in fulfilment of the academic requirements for the degree of Master of Science In Microbiology School of Life Sciences College of Agriculture, Engineering and Science University of KwaZulu-Natal Pietermaritzburg South Africa January 2017