BIOL 1202 Final: Pollock Exam 1

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29 Apr 2015
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2 individuals reproduce to breed a living and reproductive offspring: rule broken, horse and donkey = mule b. tiger and lion = liger, 11 million species on the planet. Fossil bacteria in rocks 3. 5 billion years b: no spontaneous generation now, but must have happened then. How to assemble a living thing: accumulation of organic molecules, catalyze reactions, reproduce from stored genetic information, separate the living thing from the outside environment. Chicken or the egg: dna rna protein, need proteins to synthesize more dna, neither came first, how did earliest cells do it, ribozymes: i. ii. iii. Rna molecules that can catalyze reactions, especially those involved in synthesis and processing of rna itself. In conclusion: earliest cells used rna to store information. Order b. c. d. e. f. g. h. Nature: mike the tiger was not produced in nature, he was produced artificially. Chromosome banding patterns of humans and chimps over 99% identical.

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