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

HB: Chapter 2

Acid Low pH. H+. Proton Donor.
Basic High pH. -OH. Proton Acceptor
Buffer Any substance that minimizes changes in pH as acids or bases are added to a solution.
Catalyst Any substance that accelerates a chemical reaction.
DNA Chemical used to store information. Located in nucleus of cells.
Electron Negatively charged part of an atom. Part of atom altered by chemical reactions.
Enzyme A protein catalyst. Regulates chemical reactions within cells and body.
Lipid Fat, waxes and oils. Hydrophobic macromolecule.
pH Scale Natural scale for measuring differences between acids and bases.
Protein Macromolecule who's shape determines its function. Made of amino acids.
Solvent Liquid in which other substances dissolve.
Solute Any dissolved substance,
Solution The combination of the solute in the solvent.
Fatty Acids Monomer unit of a lipid. May be saturated or unsaturated.
Amino Acids Monomer unit of proteins. 20 different individual kinds.
Nucleotide Monomer unit of DNA/RNA
Nucleic Acids Macromolecules which include DNA and RNA
Carbohydrates Macromolecule used for energy in humans.
Simple Sugars Monomer unit of carbohydrates. Glucose, Fructose, Galactose.
Created by: dmainvil