cancer: A type of disease characterized by the uncontrolled growth of abnormal cells. This growth can lead to tumors, pain, and even death.
cell: The smallest unit of an organism, composed of a watery fluid surrounded by a membrane or wall. Most organisms are made up of thousands to trillions of cells.
Chromosomes: Thread-like pieces of DNA found in the nucleus of a cell. They contain genes and serve as landing pads for proteins.
DNA: A molecule that carries genetic instructions inside living cells and tells the cell which molecules to make.
egg: A germ cell that contains half of the genetic information needed to form a complete organism.
Genetic: Relating to chromosomes, DNA, and genes. The field of science that studies these biological instructions is genetics.
Case: Something that occupies space and has mass.
molecule: A group of atoms that represents the smallest amount of a chemical compound.
nucleotide: Chemicals that connect the two strands that make up DNA.
Biology: The study of all living things.
smoking: The deliberate inhalation of burning tobacco smoke.
sperm: A germ cell that contains half of the genetic information needed to form a complete organism.
solar: The star at the center of Earth’s solar system, also used to refer to other stars like the Sun.
Source: www.snexplores.org
