Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key


Play button


Play button




Click to flip

10 Cards in this Set

  • Front
  • Back
DNA is an wxtraordinarily long,, thin molecule made of subunits called _____?
What is a five-carbon sugar is called _____?
What is the 4 nitorgen bases of DNA?
Adenine, Guanine, Thymine, and Cyrosine
What are large moleculess, rach with a double ring of carbon and nitrogen atoms?What are 2 nitrogen bases that belong in this class?
Purines Adenine and Guanine
What class have a singel ring of carbon and nitrogen atoms? What 2 nitrogen bases that belong in this class?
Pyrimidines Thymine and Cytosine
What is a "spiral staircase" kof two strands of nucleotides twistiong around a central axis?
Double Helix
What is the process of synthesizing a new strand of DNA
this opens up teh double helix by breaking the hydrogen bonds that link teh complementary bases.
What is the point at which the double helix separates?
Replication fork
At the replication fork, enzymes know as ______ ______ move along each of the DNA strands. adding nucleotides to the exposed bases according the the base-pairing rules.
DNA Polymerases