Biology Review Session Notes

Biology Review Session Notes - Chapter 11 What are signal...

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Chapter 11 What are signal transduction pathways? - Turned on by signals - Production of protein Transduction may include 2 nd messengers (probably not protein) *G PROTEIN* What’s it’s role in the pathway? Provides energy for the signal transduction pathway to work What do they contribute to? *GTP GDP* What happens? *Protein kinase transfers phosphate and phosphorylates* KNOW NUMBER #9!! role of Ca+: more concentrated on the outside IP3- nucleoside that’s been phosphorylated Chapter 12 Bacteria- one chromosome Us- 46 chromosomes Diploid represents 2n (twice haploid number) total number of chromosomes Haploid represents n half the number of diploid 23 from mom and 23 from dad *26 pairs of homologous chromosomes* - chromosomes pair is carrying genes of the same traits - codes for some traits (blue eyes), but not the same as physical expression *sister chromatic* -when homologue is in S phase (mitosis or meiosis) replicates, forms and IDENTICAL sequence of DNA - every gene= IDENTICAL DNA
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This note was uploaded on 11/04/2010 for the course BIO 107 taught by Professor Abott during the Fall '09 term at UConn.

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Biology Review Session Notes - Chapter 11 What are signal...

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