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

5 Cards in this Set

  • Front
  • Back
DNA synthesis
substrates: dNTP's, 3'OH of PRIMER strand, template strand
Cofactor: Mg2+
Catalyst: DNA polymerase
Energy: from breaking bond b/w first and second phosphate of dNTP's
-always build 5' to 3',add new dNTP's onto the 3' end
A form of DNA
-formed in DNA under dehydrating conditions
-major form of RNA double helix
-shorter, fatter than B form
-High degree of base pare tilt
-right handed twist
B form of DNA
-standard DNA double helix
-34 degrees twist,3.4A rise, very little tilt
-minor groove narrower and major groove wider than A form
-right handed
Z form of DNA
-long and skinny
-only left handed
-kinked backbone
-GC rich
-much greator rise and reduced twist relative to B
-15 twist b/w pyrimidine and purine
-45 twist b/w purine and pyrimidine
5th card to preserve
5th card to preserve