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

DNA-Double Helix

8th Science

DNA can be found in what 2 organelles? mitochondria and chloroplasts
What is the shape of DNA? A twisted ladder (doublehelix
The 2 purines in DNA are? adenine and guanine
What is a gene? A segment of DNA that codes for a particular protein which codes for a trait
What is the full name for DNA? deoxyribonucleic acid
What 2 scientists established the structure of DNA? James Watson and Francis Crick
What are the coded letters for the bases? A,G,T,C
What are the building blocks for an organism? proteins
Where was DNA first found nucleus
What sugar is found in DNA? deoxyribose
What does Adenine bond with? thymine
What sugar is found in RNA? ribose
Created by: kevinwatson