Compare your lego model to the Watson-
Crick model - what are the similarities and
the differences? Where is the information
stored and how could you access it?
1:1
100,000,000:1
Sugar
Phosphate
backbone
Adenine
Guanine
Thymine
Cytosine
2 nm
~20 cm
3.4 nm
(34Å)
~34 cm
One strand of DNA measures about 2
nanometers in diameter. It would take
about 12,500 strands of DNA to equal
the diameter of a human hair!
G:C
A:T
Содержание 1953
Страница 1: ...1953 ...
Страница 3: ...1 2 Blue blocks represent adenine base 1x 1x 2x ...
Страница 6: ...8 9 1x 2x 1x ...
Страница 7: ...10 11 2x 2x ...
Страница 9: ...14 15 Red blocks represent the base guanine 1x 1x 2x ...
Страница 10: ...16 17 Yellow bricks show cytosine which pairs with guanine notice the difference between the sizes 2x 1x ...
Страница 11: ...18 19 20 2x 2x 1x ...
Страница 12: ...21 23 22 24 2x 2x 2x 1x 2x ...
Страница 13: ...25 Add this base pair red yellow to the base blue green to make the first turn of your double helix ...
Страница 14: ...26 27 Repeat steps 14 24 Repeat steps 1 8 10 13 ...
Страница 15: ...28 1x 26 1x 27 Add nucleotide base pairs to start forming the helix ...
Страница 16: ...4x 26 3x 27 29 ...
