Template DNA Model

Rungs

Rungs � adenine

thymine

adenine

thymine

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© CSIRO’s Double Helix Science Club

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© CSIRO’s Double Helix Science Club

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� guanine

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� guanine

cytosine

© CSIRO’s Double Helix Science Club

cytosine

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© CSIRO’s Double Helix Science Club

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A DNA molecule from CSIRO’s

A DNA molecule from CSIRO’s

http://www.csiro.au/helix

http://www.csiro.au/helix

© CSIRO’s Double Helix Science Club

© CSIRO’s Double Helix Science Club

P

P

P P P

P

P

P

P

P

P

13

12

10 8

7

6

5

4

P

2

S S

9

S

S

3

1

© CSIRO’s Double Helix Science Club

S

11

P

S S

S

S

S

S

S

S

S

P

P P

P

P

P

P

P

P

P

P

P

© CSIRO’s Double Helix Science Club

14 13

12

10

8

7

6

5

4

P

2

S

S

9

S

S

3

1

© CSIRO’s Double Helix Science Club

P

© CSIRO’s Double Helix Science Club

P

14 Spine A

Spine B

Spine A

S

S

11 S

S

S

S

S

S

S

S

Spine B

S

P

S

P

1

1

S

P

S

P

2

2

S

P

S

P

3

3

S

P

S

P

4

4

S P

S P S P

S S

5 5

7

P 7

P

S P

S P S P

S P

8

8

6 6

9

9

S P S P

S P

S

10 10

S P

11 P

S S P

11

12 P 12

13 13

S P S P

S P S P

14 14