chapter 10 outline 10.1 genetic material possesses several key characteristics, 268 10.2 all genetic...
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Chapter 10 Outline
• 10.1 Genetic Material Possesses Several Key Characteristics, 268
• 10.2 All Genetic Information Is Encoded in the Structure of DNA or RNA, 269
• 10.3 DNA Consists of Two Complementary and Antiparallel Nucleotide Strands That Form a Double Helix, 275
• 10.4 Special Structures Can Form in DNA and RNA, 280
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10.2 All Genetic Information Is Encoded in the Structure of DNA or RNA
• Early Studies of DNA
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• DNA as the Source of Genetic Information
• The discovery of the transforming principle:
• Dr. Griffith’s experiment with Streptococcus pneumoniae
• The Hershey–Chase experiment
10.2 All Genetic Information Is Encoded in the Structure of DNA or RNA
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• DNA as the Source of Genetic Information
• Watson and Crick’s discovery of the three-dimensional structure of DNA
• X-ray diffraction image of DNA
10.2 All Genetic Information Is Encoded in the Structure of DNA or RNA
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10.2 All Genetic Information Is Encoded in the Structure of DNA or RNA
• RNA as the Source of Genetic Information
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10.3 DNA Consists of Two Complementary and Antiparallel Nucleotide Strands That Form a
Double Helix
• Primary structure of DNA
• Deoxyribonucleotides
• Nucleotides
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10.3 DNA Consists of Two Complementary and Antiparallel Nucleotide Strands That Form a
Double Helix
• Secondary structure of DNA
• The double helix
• Hydrogen bond and base pairing
• Antiparallel complementary DNA strands
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10.3 DNA Consists of Two Complementary and Antiparallel Nucleotide Strands That Form a
Double Helix
• Secondary structure of DNA
• Different secondary structures
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10.4 Special Structure Can Form in DNA and RNA
• Hairpin structure: In single strands of nucleotides, when sequences of nucleotides on the same strand are inverted complements, a hairpin structure will be formed.
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10.4 Special Structure Can Form in DNA and RNA
• Inverted Repeats: in double-stranded DNA, sequences that are inverted replicas of each other
• Palindrome: If an inverted repeat is also complementary to itself, then it is called a palindrome.
• Cruciform: A hairpin forms within each of the two single-stranded sequences, which makes a cruciform.
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