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Teas Science

Acid any compound with hydrogen ion activity greater than water (ph<7)
Acidic solutions solutions that have a ph scale value less than 7
Activation energy energy necessary for a chemical reaction to occur
Adaptation increase from generation to generation of alleles of genes that allows a species to survive in their environment
Adenosine triphosphate cellular fuel; produce in the mitochondria
Alkane hydrocarbon with only single bonds
Alkene hydrocarbon with one double bond
Alkyne hydrocarbon with one triple bond
Alleles two or more different forms of a certain gene
Anion atom or molecule with a negative charge
Atom smallest part of an element that still retains all the original properties of the element
Atomic mass number of protons in the nucleus of the chemical element; the number of protons that defines a specific atom
Atomic number number of protons in the nucleus of the chemical element; the number of protons that defines a specific atom
Autotroph organism that is able to produce its own food
Axon part of the nerve cell that carries impulses away from the cell body and connects one neuron with another neuron over a synapse
Base any compound with hydrogen ion activity less than water (ph>7)
Basic solutions solutions that have a pH scale value greater than 7
Binomial nomenclature two-word naming system that includes the universally accepted genus and species of each organism; developed by Carolus Linnaeus
Catalyst substance that controls the rate of a chemical reaction
Cation atom or molecule with a positive charge
Cell basic unit of all life
Cell wall outside, rigid layer that helps separate the inside and outside of prokaryotic and plant cells
Celsius metric temperature scale defined by melting point of ice (0 Celsius) and the boiling point (100 Celsius)
Centrosome microtubule organizing center that helps to form and organize the mitotic spindle during mitosis
Charge positive or negative distribution within an object
Charles Darwin evolutionary biologist who studied wild life on the Galapagos islands in the 1800s and wrote "On the Origin of Species" in which he explained adaptation and natural selection
Chemical bonding chemical attraction of atoms due to their electron arrangement
Chemical reaction dynamic event that alters the chemical makeup of of a molecule; a process that chemically transforms a set of substances into set
Chemotaxis release of chemicals by damaged cells that attract whit blood cells
Chlorophyll green pigment in plant
Chloroplast organelle that contains chlorophyll and is found in plants: used to carry out photosynthesis
Chromatid one of a pair of newly duplicated chromosomes that are still attached to one another; a pair of matching "sister" chromatids make up the duplicated chromosome
Chromosomes condensed, singke very long strands of DNA double helix located in the nucleus of a cell and containing hundreds of genes
Created by: sylvieluv