Antibody. Protein that is produced by lymphocytes (white blood cells) and that attaches to a specific antigen. Antigen. Molecule on the surface of a pathogen that identifies it as a foreign invader to the immune system. Bacteria. Single-celled organism.Has a cell wall, cell membrane, cytoplasm.he white blood cells then produce antibodies to match the shape of the antigens. The antigens on the surface of pathogenic cells are different from those on the surface of your own cells. This enables your immune system to distinguish pathogens from cells that are part of your body.
An essay can be deeply personal. A strong personal narrative describes in detail a situation in the authorâs past that fundamentally changed their lifeâs direction. In order to begin a narrative that is so personally significant, it is important to construct an enthralling introduction. By analyzing several elements youâll be able to construct an introduction that will set the stage for your personal narrative. Pick an engaging focus for your introduction.
The type of narrative youâre being asked to write will determine the structure of your introductory paragraph. In general, writing assignments referred to as a ânarrativeâ or âpersonal narrativeâ ask you to tell about a personal experience. For a personal narrative, the job of the introduction is to set the scene, get your readerâs attention, and introduce the topic at hand. Before you begin your introduction, brainstorm ideas by gathering as much information as you can.