Cell and molecular biology genetics and evolution

1 Respiratory Poisons Cyanide (CN) • blocks transfer of H. to oxygen • Jim Jones, millipedes DNP (dinitrophenol) • makes inner mt membrane leak H + • “short circuits” oxidative phosphorylation • diet pills and bug poison The catabolism of various food molecules Where your food goes… pathways for products of food catabolism. What goes in, what comes out, and

BIO | 121 | Cell and molecular biology genetics and evolution | lecture_notes |1 Respiratory Poisons Cyanide (CN) • blocks transfer of H. to oxygen • Jim Jones, millipedes DNP (dinitrophenol) • makes inner mt membrane leak H + • “short circuits” oxidative phosphorylation • diet pills and bug poison The catabolism of various food molecules Where your food goes… pathways for products of food catabolism. What goes in, what comes out, and

BIO | 121 | Cell and molecular biology genetics and evolution | exam |Bio 121 Practice Exam 3 1 The material covered on Exam 3 includes lecture since the last exam and text chapters 13-21. Be sure that you read chapter 19, which was not represented in the notes. 1. Which of the following is an enveloped retrovirus? a. T4 bacteriophage b. lambda bacteriophage c. Esherichia coli d. HIV e. none of the above 2. A lysogenic bacteriopha

BIO | 121 | Cell and molecular biology genetics and evolution | lecture_notes |Bio 121 (999) 1 Cells • Units of life- organisms can be single cells, colonies or multicellular • Two basic types of cells – prokaryote and eukaryote • Prokaryote – Bacteria and Archaea • Eukaryote – Protista, Fungi, Plantae, Animalia Cell size • Prokaryote cells mostly 1-10 microns but can be as small as 0.2 microns or as large as 750 microns • Eukaryote cells m

Biology 121 Practice Exam 1 2 12. Which statement is false? a. Elements are distinguished by their atomic number. b. Isotopes are distinguished by their mass. c. Two isotopes of an element have the same atomic number. d. Isotopes of an element differ in their chemical properties. 13. 14 C spontaneously turns into N at a constant rate, with a half-life of 5,600

BIO | 121 | Cell and molecular biology genetics and evolution | exam |Biology 121 Practice Exam 1 2 12. Which statement is false? a. Elements are distinguished by their atomic number. b. Isotopes are distinguished by their mass. c. Two isotopes of an element have the same atomic number. d. Isotopes of an element differ in their chemical properties. 13. 14 C spontaneously turns into N at a constant rate, with a half-life of 5,600

8/30/2012 1 Organic molecules • Nearly exclusively made by organisms • Chains of carbon atoms with other atoms or groups (“functional groups”) attached. • Carbon is tetravalent- can make up to 4 covalent bonds- therefore suited to making complex molecules I misspoke at one point in this piece of narration- can you find the mistake? • What about silicon? Hor

BIO | 121 | Cell and molecular biology genetics and evolution | lecture_notes |8/30/2012 1 Organic molecules • Nearly exclusively made by organisms • Chains of carbon atoms with other atoms or groups (“functional groups”) attached. • Carbon is tetravalent- can make up to 4 covalent bonds- therefore suited to making complex molecules I misspoke at one point in this piece of narration- can you find the mistake? • What about silicon? Hor

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