Anatomy Week 1 Notes
Anatomy Week 1 Notes Biol 202
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This 6 page Class Notes was uploaded by Natasha on Thursday August 27, 2015. The Class Notes belongs to Biol 202 at St. Cloud State University taught by Schoenfuss, Heiko in Spring 2015. Since its upload, it has received 226 views. For similar materials see Human Anatomy and Physiology I in Biology at St. Cloud State University.
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Date Created: 08/27/15
Welcome to Biol 202 There is an over ow room If you like that room better or are late for class you can go there There are 5 Teaching Assistants TAs that are all listed on the course syllabus found on D2L All of the TAs have experience with anatomy and can be a good resource for you to use Lab is held in WSB 2031 which is in the annex If you have any questions about the lecture or would like to make an appointment with Professor Schoenfuss you can email him Appointments will be made usually within 24 hours If you have any questions about the lab or need to switch lab sections for a week then you need to email Bill Heikkila You will need to bring a print of the email to the lab with you so the TA knows you can be there You do not need to bring the book to class you may need it later in the lab but the TA will let you know It is ok to have the 4th edition of the book You also must have the lab atlas and the PhysioEx book You need to pass this class with a C or better in order to move on to Biology 204 The powerpoints are online and are available for you to download before class Make sure you check D2L frequently to stay up to date on things Read through the Course Conduct Rules Everyone in the class is an adult so attendance will not be taken However it is in your best interest to attend every lab and lecture Pop quizzes will given either at the beginning or the end of the class period If you come late or leave early you will not be able to make them up However towards the end of the semester the teacher will give a makeup quiz you will not know what day DO NOT email the professor about quizzes He is good at answering emails but also very good at ignoring emails about quizzes Make sure you communicate professionally For example an email should have a greeting the content or question and your name If you miss an exam and have documentation on why you missed then there will be a makeup exam at the end of the semester About halfway through the semester we will be using the cadavers Respect them More information will be talked about in lab regarding behavior etc Read the Laboratory Policies for Cadaver The exam dates will not change Make sure to take online quizzes watch for the deadlines It is a tough course so make sure that you prepare before class attend the class and review the material learned from the class This course is not curved so make sure you stay on top of things It would be bene cial to form small study groups of 23 people to help you study You can use Youtube or other online enrichments to help you learn Look at the rst lecture powerpoint this is where the notes are from if you have not already done so Thursday is when the rst full lecture will occur Also labs will start next week Download the nomenclature checklist off of D2l because that is what the rst quiz is on 82715 Biol 202 Notes The Cell Review Matthias Schleiden and Theodor Schwann purposed the cell theory The three points they came up with were 0 The cell is the unit of structure physiology and organization of living things 0 The cell retains a dual existence as distinct entity and building blocks of an organism o All cells come from preexisting cells The cell theory has since expanded and says 0 All metabolic events occur within a cell Terms to know Apicaltop Basolateral side and bottom Cytoplasmmaterial between plasma membrane and the nucleus CytosoIIargely water with dissolved protein salts sugars and other solutes Cytoplasmic organelles metabolic machinery of the cell Inclusionschemical substances such as glycosomes glycogen granules and pigment The hydrostatic properties of the cytoplasm help maintain the shape like water in a balloon The phospholipid biayer is not homogeneous It makes a selective barrier so some things can pass through it It has a polar head hydrophilicwater loving and a nonpolar tail hydrophobic water hating It is made up of o 75 Phospholipids 5 Glycolipids 20 Cholesterol Integral proteins are in the membrane and they WILL NOT MOVE It is like a plug screwed through the layer The protein can be all the way or halfway through the plasma membrane Peripheral proteins are oosey attached and can frequently change The number of proteins can change in a number of hours or a number of days It is used as a catalyst Membrane proteins have six functions 0 Transport 0 Gets nutrients and oxygen into the cell 0 Most of the time it is passive no energy is required Receptors for signal transduction o Pushing an elevator button and waiting for it to show up You sent a signal This is like what happens in the cell o It binds to a receptor and he inside of the cell will make a protein 0 Hormones work this way 0 Birth control water soluble Attachment to cytoskeleton and extracellular matrix 0 Holds the cell in close contact with the surrounding cell 0 Helps in division 0 Enzymatic activity 0 Does not use ATP 0 Makes process easier to perform 0 lntercellularJoining o Signals between two cells 0 Example Nervous tissue and heart muscle 0 Lock and key mechanism Cellcell recognition 0 Microorganisms can recognize each other Active transport is very expensive and is used as a last resort Osmosismovement of WATER across a membrane Diffusionmovement of molecules not water across a membrane Transport through the plasma membrane can happen in a few ways 0 Simple Diffusion o More molecules outside the cell then inside the cell the outside molecules go to the inside 0 Nonpolar and lipid soluble substances 0 Passive Facilitated Diffusion 0 Speci c channels that are somewhat selective o Glucose Amino Acids and ions Carriers 0 Large molecules 0 Can be passive or active Usually it is passive SodiumPotassium Pump moves against the concentration gradient It is vital to our nervous system Sodium moves outside of the cell and potassium is being pumped into the cell Vesicular Transport moves large amounts of particles across the plasma membrane It is an ef cient way to get things out of the cell Exocytosismoves substances from the inside of the cell to the outside Endocytosis large substances can enter the cell Phagocytosis pseudopods quoteatquot substances and bring them into the middle of the cell Review the tables in the PowerPoint on passive and active transport Cell junctions stabilize the cells that need to be held in place 0 TightJunction 0 Hold two cells very close together 0 Do not want bacteria passing through our skin Gap Junction 0 Integral proteins that connect cytoplasm of cells Ex Heart Desmosomes 0 Strong anchor to underlying tissue Cytoplasmic Organelles Some organelles have their own membrane Mitochondria Membrane bound organelle Power house of the cell Turns ADP into ATP Contains its own DNA and RNA Ribosomes Lack a membrane 0 Located on the Rough ER 0 Some oat freely Endoplasmic Reticulum Rough ER that contains ribosomes Smooth ER catalyzes reactions Golgi Apparatus Packages vesicles for exocytosis Sit of maturation of proteins Peroxisomes o Maintains health of cell 0 Looks like a little bubble o Detoxi es the cell Lysosomes Get rid of harmful small organisms by digesting them Breakdown molecules Endosymbiont Theory How cells acquired their organelles One ce engulfed another cell s nucleus Golgi apparatus and ER The relationship bene ted both parties Nucleus Contains DNA 0 Has its own plasma membrane REMINDER Lab starts next week
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