bio1
acid
adhesion
the clinging of 1 substance to another
enzyme
a biological catalyst that usually speeds up chemical reactions in a cell lowering the activation energy
essential elements
chemical elements tats na organism need to survive, grow, or reproduce
hydrolysis
a chemical reaction where water is used to break down a large molecule in to complex components
chemical equilibrium
the point at which the reactions offset one another exactly
buffer
element
a substance that cannot be broken down into other substance by chemical reaction
evaporative cooling
the process by which a liquid loses heat as some of its molecules evaporate, causing the surface left
half life
the time required for half of the atoms in a radioactive substance to decay
cation
positively charged ion
base
a substance that reduces the hydrogen ion concentration of a solution
anion
a negatively charged ion
glycogen
a polysaccharide that serves as a primary storage from of glucose in animals
ionic compound
formed when one or more ion come together due to opposite charges attracting each other, typically involving metal cations and nonmetal anions
cohesion
the attraction between molecules of the same substance
calorie
the amount go heat needed to raise the temperature of one gram of water
covalent bond
a type of chemical bond formed when 2 atoms share 1 more pairs of valence electron
compound
a substance formed when 2 or more different elects are chemically bonded
hydrocarbon
an organic molecule made up only of carbon and hydrogen atoms
cholesterol
a type of steroid; is a crucial molecule in animals
denature
to cause a protein to lose its native shape due to the disruption of weak chemical bonds and interactions
dehydration reaction
a chemical reaction in which 2 molecules covalently bonded to each other with the loss of water
hydrogen bond
weak interactions between two molecules caused by electrostatic attraction between a proton in one molecule and a electronegative atom in another
isomer
molecules with the same molecular formula but different structures or spatial arrangements, leading to different physical and chemical properties