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.
Introduction or Exposition. The introduction is where the basic characters and plot elements such as setting are revealed. In most cases the major conflict of the story, novel or script is also hinted at in the introduction, though smaller conflicts in the plot may be introduced later on.