Save
Upgrade to remove ads
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
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. Your email address is only used to allow you to reset your password. See 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.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
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

(Bio) DNA Structure

DNA structure and components

QuestionAnswer
There a ___ functions of DNA. 3
1. DNA stores ____ ____. Genetic information
Every cell needs DNA to ____ __ _____ ______. Carry out routine functions
2. DNA makes copies of itself, or _____. Replicates
The process of DNA replication passes _____ from cell to cell. Information
3. DNA undergoes _____. Mutations
Mutations can cause ______ genetic changes. Permanent
Genetic mutations can be caused _____, or by exposure to ______. Naturally; chemicals
On example of a mutations can include ____. Radiation
We can learn __ things from the sequence of the human genome. 4
1. Understanding the basis of _____ and development. Heredity
Insights into the _____ of life on Earth. Evolution
Understanding of human _____. Diversity
Identification of genetic ___ that cause or contribute to human _____. Loci (locations); disease
Using human genomes, scientists discovered the ___ that contributes to _____ _____, or BRCA-1/BRCA-2. Loci; breast cancer
All strands of DNA have _____. Nucleotides
Nucleotides have three parts, including: -A phosphate group -A 5-carbon sugar -A nitrogenous base
Nitrogenous bases in nucleotides include: Adenine (A), Thymine (T), Guanine (G), & Cytosine (C)
Purines include which nitrogenous bases? Adenine (A) & guanine (G)
Pyrimidines include which nitrogenous bases? Thymine (T) & cytosine (C)
Purines have __ carbon ring(s). 2
Pyrimidines have __ carbon ring(s). 1
The ladder of the DNA is made up of: 5-carbon sugar & a phosphate group
Uprights are made up of: Nitrogenous base rungs
Chargaff created the base ____ ___. Pairing rules
Wilkins and Franklin took pictures of DNA using X-ray ______. Crystallography
Watson and Crick created a model of a ____ ____. Double helix
Created by: mma129
Popular Biology sets

 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards