Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
26 Cards in this Set
- Front
- Back
polar molecule
|
oppositely charged region
|
|
hydrogen bond
|
weak interaction involving hydrogen aton and a fluorine, oxyden, or nitrogen atom
|
|
mixture
|
a combo of 2 or more substances in which each has chacteristics and prop.
|
|
solution
|
another name for homogenous mixture
|
|
solute
|
substance that is dissolved in the solvent
|
|
solvent
|
a substance in which another substance is dissolved
|
|
acids
|
substances that release hydrogen ions when dissolved in water
|
|
bases
|
substances that release hydroxide ions when dissolved in water
|
|
PH
|
the measure of concentration H+ in a solution
|
|
buffers
|
are mixtures that can react with acids and bases to keep the Ph within a particular range
|
|
macromolecules
|
large molecules that are formed by joining smaller organic molecules together
|
|
polymers
|
are molecules made from repeating units of idenical compounds called monomers that are linked by a series of covalent bonds
|
|
carbohydrates
|
compounds of carbon,hydrogen, and oxygen in a ratio of one oxygen and 2 hydrogen atoms for each carbon
|
|
lipids
|
molecules made of carbon and hydrogen, make up fats, oils, and waxes
|
|
protein
|
a compound made of small carbon compounds called amino acids
|
|
amino acids
|
small compounds that are made of carbon, nitrogen, oxygen, and sometimes sulfur
|
|
nucleic acids
|
complex macromolecules that store and transmit genetic info
|
|
nucleotide
|
shows basic structure of a nucleotide and nucleic acid
|
|
chemical reaction
|
the process by which atoms in substances are reorganized into different substances
|
|
reactants
|
the starting substance
|
|
products
|
the substances formed during the reaction
|
|
activation energy
|
minimum amount of energy needed for reactants to form products in a chemical reaction
|
|
catalyst
|
a substance that lowers the activation energy needed to start a chemical reaction
|
|
enzymes
|
special proteins that are the biological catalysts that speed up a chemical reaction
|
|
substrates
|
the reactants that bind to the enzyme
|
|
active site
|
the specific location where a substance binds on an enzyme
|