Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
Don't know
remaining cards
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how


monomer molecular subunit of a polymer
polymer large, carbon-based molecule formed by monomers
carbohydrate molecule composed of carbon, hydrogen, and oxygen; including sugars and starches
lipid nonpolar molecule composed of carbon, hydrogen and oxygen; including fats and oils
fatty acid hydrocarbon chain often bonded to glycerol in a lipid
protein polymer composed of amino acids linked by peptide bonds; folds into a particular structure depending on bonds between amino acids
amino acid molecule that makes up proteins; composed of carbon, hydrogen, nitrogen, and sometimes sulfur
nucleic acid polymer of nucleotides; the generic material of organisms
chemical reaction process by which substances change into different substances through the breaking and forming of chemical bonds
reactant substance that is changed by a chemical reaction
product substance formed by a chemical reaction.
bond energy amount of energy needed to break a bond between two particular atoms; or the amount of energy released when a bond forms between two particular atoms
equilibrium condition in which reactants and products of a chemical reaction are formed at the same rate
activation energy energy input necessary to initiate a chemical reacation
exothermic chemical reaction that yields a net release of energy in the form of heat
endothermic chemical reaction that requires a net input of energy
catalyst substance that decreases activation energy and increases reaction rate in a chemical reaction
enzyme protein that carries catalyzes chemical reactions for organisms
substrate reactant in a chemical reaction upon which an enzyme acts
Created by: creasoner