GSC 102 Study Guide - Midterm Guide: Phanerozoic, Cenozoic, Mesozoic

• School: University of Miami
• Department: Geological Sciences
• Course: GSC 102
• Professor: ta-shanataylor

Document Summary

Gsc102: exam #2 review sheet: correct order of the eras of the phanerozoic eon. Paleozoic, mesozoic, cenozoic (oldest to youngest: know which eon, era and period each key event discussed below falls under. Origin of life: function of dna, rna, and amino acids. Rna is important for a lot of different functions but i will only talk about messenger rna here, which is used to synthesize protein from. Rna (ribonucleic acid) is synthesized in the nucleus and is very similar to dna. The synthesis of rna also involves the use of bases, but in rna synthesis no thymine (t) is used but uracil (u) is used instead. Dna is called transcription (the dna is transcribed into rna). The rna strand starts with the only base that can form a base pair with this t, the a. This continues until the complete sequence of rna is synthesized.