In the Java programming language, a keyword is one of 50 reserved words that have a predefined meaning in the language; because of this, programmers cannot use keywords as names for variables, methods, classes, or as any other identifier. Due to their special functions in the language, most integrated development environments for Java use syntax highlighting to display keywords in a different colour for easy identification.
Simple definition of a transport system in biology: A transport system is a means by which materials are moved (' transported ') from an exchange surface or exchange surface. to cells* located throughout the organism.* Not all individual cells require all of the many different types of materials carried by a transport system. transport system is a means by which materials are moved (' transported ') from an exchange surface or exchange surface. to cells* located throughout the organism.
The electron transport systemis also in the thylakoid membrane of chloroplasts in plant cells. Bacterial cells have molecules that are similar to the electron transport system found in eukaryotic (animal, plant and fungus) cells. These molecules are found in the bacterial cell membrane.