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Week One Notes

by: Kelsey Webb

Week One Notes Bios 109

Kelsey Webb
GPA 3.5
Human Biology
Virgil Stola

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About this Document

Week one notes: Section 1.1-1.3
Human Biology
Virgil Stola
Class Notes
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This 2 page Class Notes was uploaded by Kelsey Webb on Tuesday August 25, 2015. The Class Notes belongs to Bios 109 at Northern Illinois University taught by Virgil Stola in Fall 2015. Since its upload, it has received 116 views. For similar materials see Human Biology in Biology at Northern Illinois University.


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Date Created: 08/25/15
Chapter One Week One Aug 24 Aug 28 Know for test Section 11 o What is biology o The study of through the practice of science 0 What is E o What actually makes up E 7 properties amp processes of life Ordered and Organized Reproduction Growth and Development Energy Processing a Ex Metabolism breaking of food digested b Nutrition Response to the Environment a Stimulus responding to situations 6 Regulation a Homeostasis equilibrium or balance 7 Evolutionary Adaption a Evolution i Whywhy not do or don t you believe in evolution ii Evolution vs Creatism DWNH U1 Section 12 0 Life is an organized hierarchal 0 Set of categories series etc that build off one another from topdown or bottomup Molecule DNA Organellel Cell basic unit of all ife Tissues Organs Organ Systems Organismslj Populationsl Community Ecosystemljl Biosphere Four types of Tissues 1 Connective 2 Muscles 3 Epithelium Ex Skin covers a surface 4 Nervous Tissues come together to form organs Organs together form organ systems Ex Nervous system urinary system Popuation is like your family Community is like your neighborhood Biosphere living and nonliving rocks trees humans etc Section 13 Cell s Function Environmental quotCuesquot Respond to environment Regulate internal environment 0 Take in and use energy 0 Develop and maintain organization Reproduce part of maintaining organization Will not take in and use energy unless needed Two types of cells 1 Prokaryotes single cells that lack a nucleus a Ex bacteria 2 Eukaryotes usually composed of many cells amp have a nucleus a Ex humans animals Typical cell contains cell membrane nucleus and cytoplasm Mature Red Blood Cell has no nucleus carries and delivers oxygen IDEA take nucleus out to carry more oxygen What is a nucleus quotNuclear poresquot 0 An envelope or brain of the cell 0 Holds the DNA Cells will vary based on their function brain blood stem skin etc o The human body has 46 chromosomes 23 from each parent Humans have the most genes make up chromosomes 0 Mapping genes genetic project Section 15 DNA 6x Genetic Code 0 All cells have DNA 0 In the nucleus or in the membrane without nucleus 0 DNA is organized into genes Def units of inheritance that transmits information from parents to offspring grouped into chromosomes long strands of DNA contro activity of the cell DNA made two strands coiled of double helix 4 quotchemical building blocksquot


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