'Transforming principle' diaporamas de présentation

Nucleotides and Nucleic Acids

Nucleotides and Nucleic Acids. The Basics. Nucleic acids were first isolated by Friedrich Miescher in 1869. Deoxyribonucleic Acid (DNA) and Ribonucleic Acid (RNA). The monomers constituting nucleic acid polymers are nucleotides:. Purine and Pyrimidine Bases in DNA and RNA.

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CHAPTER 11 MOLECULAR GENETICS

CHAPTER 11 MOLECULAR GENETICS. ADVANCED BIOLOGY. At first, people believed that proteins served as the genetic material, even though DNA had already been discovered (1869). It wasn't until the 1940s that this theory was disproved.

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What is Science?

What is Science?. A way of knowing Based on repeatability Based on coming up with the most plausible answer from a suite of possible answers. A process of going from singular propositions to general propositions. General Proposition. Theory Law Rule Model Hypothesis Auxiliary Hypothesis

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MOLECULAR GENETICS

MOLECULAR GENETICS . UNIT 3!. Reflect on your Learning. Answer questions 1,2,and 3 on the bottom of page 204. . History of DNA. Before the 20 th Century: It was believed that proteins were the hereditary material (because they are so prevalent in the cell) Friedrich Miescher 1869

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DNA The Genetic Material

DNA The Genetic Material. Scientific History . The march to understanding that DNA is the genetic material T.H. Morgan (1908) Frederick Griffith (1928) Avery, McCarty & MacLeod (1944) Erwin Chargaff (1947) Hershey & Chase (1952) Watson & Crick (1953) Meselson & Stahl (1958).

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