mmbio sg1

mmbio sg1 - OVERVIEW Chapter 1 provides the background for...

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OVERVIEW Chapter 1 provides the background for how the field of molecular biology began. This background includes a brief introduction to Mendel' s laws of inheritance followed by the key experiments leading to the discovery that DNA is the genetic material. The chapter concludes with a discussion of DNA structure and function and the central dogma. CONCEPT EMPHASIS 1. Key experiments. Several key experiments led to the understanding that DNA is the genetic material. 2. DNA structure. DNA is a double helix composed of nucleotides joined 5' to 3' . 3. The central dogma of molecular biology. Genetic information flows from DNA to DNA, DNA to RNA, and RNA to protein. DETAILS 1. Mendel' s laws of inheritance provided the basis for our understanding of genes as the units of heredity. 2. Meischer discovered nucleic acid is a component of nuclein. 3. The genotype is the genetic makeup of an organism. 4. The phenotype is an organism' s physical traits.
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This note was uploaded on 11/05/2011 for the course MMBIO 240 taught by Professor Bridgewater during the Fall '09 term at BYU.

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mmbio sg1 - OVERVIEW Chapter 1 provides the background for...

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