UA BSC 109 - Exam 1 Study Guide (4 pages)

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Exam 1 Study Guide

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Exam 1 Study Guide


characteristics of life, cells, macromolecules, water and elements, components of the body

Study Guide
University of Alabama
Bsc 109 - Intro Biology Non Maj II

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BSC 109 1nd Edition Exam 1 Study Guide Lectures 1 6 Lecture 1 August 20 Name the 7 characteristics necessary to consider something living Have a different molecular structure than nonliving things require energy and raw materials are composed of cells maintain homeostasis respond to external environment stimulus grow and reproduce populations of living things evolve and change over time Name the 4 kingdoms of eukarya and identify whether they are single cellular or multicellular Then list the 10 classifications of living things in order Kingdom Protista unicellular kindom animalia multicellular kingdom fungi multicellular kingdom plantae multicellular Kingdom phylum class order family genus species List the biological structure of organization for living things from smallest to largest Molecule atom cell tissue organ organ system organism population community ecosystem biosphere What city did the 1854 cholera outbreak occur in and what was the name of the doctor who observed its probable origin London Dr John Snow Lecture 2 August 25 Describe the characteristics and location of protons neutrons and electrons Protons are positive and their presence absence determines the charge of the element found in the nucleus Neutrons have no charge and they determine if the atom is an isotope also found in the nucleus Electrons have a negative charge and they participate in chemical reactions They are found in the outer shell of the atom and determine chemical behavior What is a compound and name two examples found in society that improve our health A compound is a substance consisting of two or more elements in a fixed ratio Iodine in salt prevents goiter and fluoride in water prevents cavities List some key differences between covalent bonds ionic bonds and hydrogen bonds Covalent bonds are the strongest bonds and form as a result of atoms sharing equally or unequally their electrons Result in each atom having a completely electron filled outer shell Ionic bonds are moderately

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