Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
11 Cards in this Set
- Front
- Back
|
length of each full twist of the DNA double helix
|
3 nanometers
|
|
|
overall diamtere of DNA
|
2 nm
|
|
|
distance between each pair of bases
|
0.34 nm
|
|
|
base pairs
|
guanine=cytosine: triple H bonds
adamine=thymine: double H bonds |
|
|
the bonds between sugar and phosphates
|
CH2
|
|
|
pyridimines
|
one ring
thymine and cytosine |
|
|
purines
|
two rings
adamine and guanine |
|
|
relationship between backbones
|
sugar-phosphate backbones
run in opposite directions sugar (deoxyribose) units of one strand are "upside down" |
|
|
Okizaki fragments
|
on lagging side of DNA, zips open when DNA is unzippering, comes out in little pieces, ligase attaches to strands
|
|
|
nucleotide composition
|
1 sugar + 1 phosphate + 1 nitrogen base
|
|
|
first model of DNA, current model of DNA relationship
|
Watson-Crick model of DNA is consistent with the known biochemical and x-ray diffraction data.
|
