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Title: Structure of DNA and RNA
Description: International Baccalaureate Biology SL Topic 2.6 2016 Clear and detailed notes of topic 2.6 from the book and lecture
Description: International Baccalaureate Biology SL Topic 2.6 2016 Clear and detailed notes of topic 2.6 from the book and lecture
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Structure of DNA and RNA
Topic 2
...
Cytosine, C
2
...
Adenine, A
4
...
Urasil, U
Strands
➢ RNA is composed of a single strand of nucleotides
➢ DNA consists of two separate strands of nucleotides connected to one another by
weak hydrogen bonds
○
○
One some combinations are possible
■
A with T
■
C with G
These are said to be complementary base pairs
■
A double-ring base connects to a single-ring base
●
No double-ring base connects to another nor a single-ring
connects to another
1
Structure of DNA and RNA
Topic 2
...
Watson and F
Title: Structure of DNA and RNA
Description: International Baccalaureate Biology SL Topic 2.6 2016 Clear and detailed notes of topic 2.6 from the book and lecture
Description: International Baccalaureate Biology SL Topic 2.6 2016 Clear and detailed notes of topic 2.6 from the book and lecture