Scientific literacy is the knowledge and understanding of scientific concepts and processes required for personal decision making, participation in civic and cultural affairs, and economic productivity. It also includes specific types of abilities. In the National Science Education Standards, the content standards define scientific literacy. Scientific literacy means that a person can ask, find, or determine answers to questions derived from curiosity about everyday experiences. It means that a person has the ability to describe, explain, and predict natural phenomena.
phagocytosis. PHAGOCYTOSIS. A three-stage process by which phagocytes (neutrophils, monocytes, and macrophages) engulf and destroy microorganisms, other foreign antigens, and cell debris. three-stage process by which phagocytes (neutrophils, monocytes, and macrophages) engulf and destroy microorganisms, other foreign antigens, and cell debris.
In humans and other multicellular animals, phagocytosis is an important defense mechanism against infection by microorganisms (e.g. bacteria) and the process of removing cell debris (e.g. dead tissue cells) and other foreign bodies.Steps of a macrophage ingesting a pathogen :a.Ingestion through phagocytosis, a phagosome is formed. b. The fusion of lysosomes with the phagosome creates a phagolysosome; the pathogen is broken down by enzymes. c. Waste material is expelled or assimilated.teps of a macrophage ingesting a pathogen : a. Ingestion through phagocytosis, a phagosome is formed. b. The fusion of lysosomes with the phagosome creates a phagolysosome; the pathogen is broken down by enzymes. c. Waste material is expelled or assimilated.