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


element any substance that cannot be broken down into simpler substances
compound when two or more elements combine chemically
water most chemical reactions within cells could not take place without this compound
organic compound compound that contains the element carbon
inorganic compound compound that does not contain the element carbon
carbohydrate energy rich organic compound; sugars, starches, potatoes, pasta and rice are examples
lipid energy rich organic compound; contain more energy than carbohydrates; fats, oils and waxes are examples
protein large organic molecules; meat, eggs, fish, nuts and beans are examples
amino acid small molecule that is linked chemically to other amino acids to form proteins
enzyme a type of protein that speeds up a chemical reaction in a living thing
nucleic acid long organic molecules that contain the instructions that cells need to carry out all the functions of life
DNA genetic material that carries information about an organism and is passed from parent to offspring
RNA plays an important role in the production of proteins; located in cytoplasm as well as the nucleus of a cell
Created by: carlocrew