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DO NOW 1. A virus consists of: A. RNA or DNA & a cell membrane 3. Which of the following is smallest? A. eukaryote cell B. RNA or DNA & a protein coat B. bacteria C. RNA and DNA & a protein C. bacteriophage coat D. cell membrane protein D. proteins, cell membrane & RNA 4. Vaccines can be used to prevent viral infection by: 2. How do viruses reproduce? A. creating an immune response in the host A. they divide by mitosis B. sexually- external fertilization B. destroying any viruses that enter the host C. replication outside the host C. creating a blocking protein on D. inserts DNA into the host cell the cell D. preventing replication of the virus 5. What happens after the virus has been taken up by the cell? A. it begins making protein B. it divides C. it inserts into the host DNA D. it switches to infectious mode NOTEBOOK CHECK!!!! VIRUSES VIDEOS • Viruses Video • Viruses Video 2 VIRUSES Bacteriophage • A virus is a non-living particle Influenza Protein Coat Nucleic acid DNA RNA made up of a nucleic acid and either a protein or lipid-protein coat. • They cause many diseases in living organisms and are useful tools for genetic research • Viruses are extraordinarily small- smaller than prokaryotic cells! VIRUSES • Viruses do not have cytoplasm or organelles and thus cannot carry out cell functions such as metabolism • They cannot grow by dividing • To reproduce, viruses must enter a living cell and use that cell’s (the host cell’s) ribosomes, enzymes, ATP (energy), and other molecules to reproduce COMMON VIRUSES • Influenza (the flu) • Chickenpox • West Nile Virus • Zika Virus • Ebola • Hepatitis • Smallpox (conquered!) WHAT CAN WE DO?!?!?!?! Video Kids RE-DO NOW 1. A virus consists of: A. RNA or DNA & a cell membrane 3. Which of the following is smallest? A. eukaryote cell B. RNA or DNA & a protein coat B. bacteria C. RNA and DNA & a protein C. bacteriophage coat D. cell membrane protein D. proteins, cell membrane & RNA 4. Vaccines can be used to prevent viral infection by: 2. How do viruses reproduce? A. creating an immune response in the host A. they divide by mitosis B. sexually- external fertilization B. destroying any viruses that enter the host C. replication outside the host C. creating a blocking protein on D. inserts DNA into the host cell the cell D. preventing replication of the virus 5. What happens after the virus has been taken up by the cell? A. it begins making protein B. it divides C. it inserts into the host DNA D. it switches to infectious mode SONG • Viruses Mr. W DEATH BY… WATER • Read Chapter Mystery! Pg. 189 • Watch PearsonRealize Video: Fishing for the Right Balance • Form a Hypothesis (IN YOUR NOTEBOOK!) CELL TRANSPORT • Read Chapter 7 sections 3 and 4. • Create a concept map to organize chapter 7 section 3, in your notebook that uses the following terms: • cell transport, osmosis, diffusion, active transport, passive transport, facilitated diffusion, molecular transport, bulk transport • Your concept map must show how the terms are related (similarities and differences) to each other and define them. CREATE NOTECARDS FOR ALL CELLULAR TRANSPORT METHODS FROM THE CONCEPT MAP FRONT: NAME OF TRANSPORT TYPE BACK: DEFINITION, PICTURE