Written By: Membrane, in biology, the thin layer that forms the outer boundary of a living cell or of an internal cell compartment. The outer boundary is the plasma membrane, and the compartments enclosed by internal membranes are called organelles.
The main purpose of the INTRODUCTION is to give a description of the problem that will be addressed. In this section the researcher might discuss the nature of the research, the purpose of the research, the significance of the research problem, and the research question(s) to be addressed. Three essential parts of a good introduction are: RATIONALE.
By the end of the Introduction the reader should have a very good idea of what the central issue of your proposal will be. Your Introduction should reference at least four research articles (see the section about references). (Maximum length of the Introduction: 3 double-spaced pages).