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

The Big "4"

Provides quick energy carbohydrates
made up of amino acids proteins
Made up of nucleotides nucleic acids
Carbohydrates are made up of monosaccharides
Fats, oils and waxes are examples of lipids
The protein that controls our blood sugar insulin
Provides structure and repairs tissues proteins
Two examples of nucleic acids DNA and RNA
Lipids provide energy storage
enzyme a protein that speeds up chemical reactions
active site the part on the enzyme where the substrate fits in
substrate The substance that is being broken down or put together by an Enzyme.
catalyst Any compound that speeds up a chemical reaction.
denature When an Enzyme gets too hot and it changes shape.
ph and temperature what are two factors that can denature an enzyme