First Class- Lecture 1
First Class- Lecture 1 Bio 242
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This 4 page Class Notes was uploaded by Kelly Wetmore on Tuesday January 26, 2016. The Class Notes belongs to Bio 242 at University of Rhode Island taught by Barbara Van Sciver in Winter 2016. Since its upload, it has received 259 views.
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Yes YES!! Thank you for these. I'm such a bad notetaker :/ will definitely be looking forward to these
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Date Created: 01/26/16
Sunday, May 22, y Introduction Go over Syllabus Highlights of Syllabus: • Instruction Comes from lectures Powerpoint based provided on Sakai as well Supplemented information not covered in lectures will be in online videos Professor’s study guide will be provided on Sakai • Resources for studying Lecture Textbook Study groups Extra help Mastering A&P worth 50 points 12 quizzes total and 2 dropped Tophat 25 points 0.5 points for participation and 0.5 points for correct answer Relay Internet • Grading 4 lecture exams lowest exam grade is dropped • 100 possible points=300 points Final 125 points 1 Sunday, May 22, y Online quizzes 45 points Tophat 20 points Check letter grades on syllabus • Exams Schedule: • Exam 1 Feb 16 • Exam 2 March 8 • Exam 3 April 5 • Exam 4 April 24 Multiple choice and true/false questions Name and ID must be on question and answer sheets Enter correct Exam version on exams Failure to follow directions will result in an automatic zero Lecture 1 • Physiology v. Anatomy • Structure v. Function • Teleological v. Mechanistic Teleological Example • If it is 25 degrees with no coat on> involuntary function to shiver • Mechanistic involves: > The cold activates neuronal receptors 2 Sunday, May 22, y > Send an electrical message to the brain > Brain responds by sending an electrical message to the skeletal muscles > Shiver • Causal Chains _____>______>______> etc. • Organizations: Atoms Molecules Cells Tissues 4 types of tissues Organs 2 or more tissue types that carry out specific function(s) Organ System 2 or more organs organized to carry out specific function(s) Organism individual • The Cell (what MOST cells have) Nucleus genetic material (DNA) • Genes • Gene expression: synthesis of a particular protein • Differentiation: different genes are expressed in different cells Cytoplasm • outsides of the nucleus but inside of the cell • Made up of organelles and semiliquid • Cytosol=no organelles 3 Sunday, May 22, y Cell membrane • Intracellular fluid (aqueous) • Extracellular fluid (aqueous) External Environment of the Cell • Lumen: hollow part of the tube Internal Environment of the Cell • Inside our bodies but outside of cells • Extracellular fluid Plasma: liquid portion of blood Interstitial fluid: surrounds cells • Basic requirements of most cells 1. Retain oxygen 2. Make proteins 3. Transport internally and externally 4. Control exchanges between outside and inside (of cell membrane) 5. Sense and respond to changes in environment 6. Requirements differ between specialized cells 4
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