BIOL 1202 : Pretest Exam 1
Document Summary
***answers that are given aren"t necessarily correct; i just put down all that i could remember: population was divided into two subpopulations by physical barrier and in different environments. Allopatric: paralogous genes can diverge while connected to the gene pool, while orthologous genes must be isolated to diverge. Atmosphere was h2, ammonia (nh3), methane (ch4), and water vapor. They added sparks to simulate lightning or reduction (which adds electrons: two species that had 18 produced another species with 36. Short stretches of rna can do something with nucleotides. Modern cells use rna as a template for dna (correct answer) Rna can be used as a catalyst for some reactions: shared ancestral traits would be in both the in-groups and out-groups of descendants. Reproduce successfully or contain a mechanism for store genetic information: _____ formed from aerobic cells and _____ formed from photosynthetic cells that were engulfed by a cell and lived in harmony or something like harmony.
