BIO 120 Study Guide - Final Guide: Heat Capacity, Morning Sickness, Thalidomide
Document Summary
What is science: two types, discovery science: describes nature, hypothesis based testing: explains nature, scientific method, observation, questions, testable hypothesis, experimental design, data collection and analysis. What is life: exclusive to life, composed of cells, regulation / homeostasis, evolutionary adaptation, other traits, carbon based, order, energy processing, growth and development, reproduction, response to the environment. Periodic table of elements: 92 total 25 essential to life, most common: c, o, h, n (used for growth and repair) Difference between atom and element: element: substance that cannot be broken down by chemical rxns, atom: smallest unit of an element. Isotope: different # of protons to neutrons in the nucleus. Atoms: outermost shell valence electrons most energy, 1st shell - 2 e- 2nd and 3rd shell - 8 e- Ionic bonds: 2 atoms are unequal in their attraction for valence electrons, electrons not shared.
