Save
Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


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.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't know
Remaining cards (0)
Know
0:00
share
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 Test - AP Bio

Regulation of Gene Expression; 2nd semester test

QuestionAnswer
Proline, Methionine, and Aspartic acid represent three types of Amino Acids
What do the 5’ and the 3’ represent at the ends of a DNA molecule? The 5th and 3rd carbon on the sugar, while the phosphate connects to the 5th carbon.
Name the nitrogen bases Adenine, Cytosine, Guanine, and Thymine.
How do the bases connect? A – T, G – C
Which of the bases are purines and pyridines? A + G are Purines; T + C and Pyrimidines.
What are the number of hydrogen bonds formed between the bases? A – T: 2; G – C: 3.
What 3 parts make up a nucleotide? Phosphate – Sugar – Base
Describe the Hershey and Chase experiment. Tagged protein and DNA to see which got infected by a virus.
Describe the experiment by Griffith on mice w/ S and R bacteria. R – Harmless, until heated; S – kills, until heated.
What’re Okazaki fragments? Openings in Lagging Strand later rejoined by the DNA Ligase.
What holds the two sides of DNA together? (weak) Hydrogen bonds.
Where is Protein assembled from the message on the RNA? Cytoplasm
What’s the shape of DNA? Double Helix
What’s the process of copying DNA? Replication
What’re the sections of DNA that code for a trait? Gene
What carries the message of DNA to the ribosomes? RNA
DNA stands for Deoxyribonucleic Acid
RNA stands for Ribonucleic Acid
What’s the sugar found in DNA? Deoxyribose
Who established the structure of DNA? Watson and Crick
DNA is found where in the cell? Nucleus
What does the DNA Helicase do? Unzips the bases / breaks the hydrogen bonds.
What does the DNA Polymerase do? Pairs the bases
How many different codons are there? 64
What does Semi-Conservative mean? 1 old strand paired with one new strand.
Created by: CommanderJonno
 

 



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