Biology Basics

noun a substance that cannot be broken down into simpler substances by chemical means; composed of atoms of only one kind

• The periodic table organizes all known chemical elements based on their atomic number and properties.
• I learned about each chemical element in my chemistry class.
• Dude, did you know that each chemical element has a unique symbol?
• In the world of music, each note can be seen as a different chemical element that contributes to the overall composition.

noun the living contents of a cell that are surrounded by a plasma membrane

• The protoplasm within the cell is responsible for carrying out various metabolic processes.
• I heard that protoplasm is like the jelly inside a cell.
• Don't mess with the protoplasm of the cell, dude.
• The protoplasm of society is constantly evolving and adapting to new challenges.