Lecture_10-6

Lecture_10-6 - BIOL 214 GENES, ECOLOGY AND EVOLUTION /...

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Suppl. to Lecture 16, page 1 BIOL 214 GENES, ECOLOGY AND EVOLUTION / PEPPER LECTURE 17 (October 6, 2006) SUPPLEMENT READING ASSIGNMENTS: Origins of Life and Precambrian Evolution, pages 349-369 (optional reading. We will not cover in lecture, but may be helpful background). Origins of Life and Precambrian Evolution, pages 370-392. READ AHEAD Mutation and Genetic Variation, pages 197-207 KEY CONCEPTS: Gene product — functional biological macromolecule actually directly encoded by a gene Protein/polypeptide gene products (information derived from mRNAs): Enzymes (catalytic proteins) Enolase (enzyme in the glycolytic pathway) DNA polymerase (DNA replication) RNA polymerase (transcription) Transport proteins Potassium channel (transport of K + ions across membranes) Lac permease (transport of lactose sugar across membranes) Hemoglobin (transport and storage of oxygen) Structural proteins SSB (binds single-stranded DNA) Histones (binds double-stranded DNA) Keratin (hair, nails in mammals, scales of reptiles, etc) Collagen (connective protein) Crystallin (lens) Regulatory proteins Receptors (e.g. growth factor receptors)
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This note was uploaded on 04/29/2008 for the course BIOL 214 taught by Professor Pepper during the Spring '08 term at Texas A&M.

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Lecture_10-6 - BIOL 214 GENES, ECOLOGY AND EVOLUTION /...

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