inquiry 9/18 and 9/21 please prepare for a warm-up! have your semmelweis flowchart and q’s ready...
TRANSCRIPT
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Inquiry 9/18 and 9/21
Please prepare for a warm-up!
Have your Semmelweis flowchart and q’s ready
for stamping
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Warm-Up 9/18 and 9/21
• List 10 diseases that you know of.
• Next to each one, write if it is caused by bacteria (B) or virus (V).
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Learning Targets
• I can explain how an experiment can be both systematic and non-linear.
• I understand the different causes, prevention, and treatments of bacterial and viral diseases.
• I can read scientific articles with skepticism and properly question the validity of the findings.
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Semmelweis Flowchart
• Check your flowchart with mine and make changes, if needed
• Discuss the two questions with your group and be prepared to share:
Then, explain why is it both systematic and non-linear, using events/evidence from the article. (3-4 sentences)
Add to your answer! See the T-chart on the board.
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Viruses
Your friend, the
flu
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VIRUSES
• Organisms that bridge between living and non-living things.
• Composed of: a capsid (outer coating made of protein) and DNA or RNA
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Why are viruses considered ‘not alive’?
• No nucleus, cytoplasm, organelles or cell membrane
• Cannot reproduce through binary fission or mitosis
• They are not cells; they are parasites
• No control of movement outside cells
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Shapes of Viruses
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A Viral Variation
• PrionsPrions – glycoprotein; Mad Cow Disease- causes Creutzfeldt Jakob Disease in humans.
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Reproduction of Viruses
• Lytic cycleLytic cycle – virulent strains; cycle occurs in 5 phases (1-2 days)
• The virus enters a cell, makes copies of itself and causes the cell to burst.
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The Flu and The Cold
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Reproduction (con’t.)• Lysogenic cycleLysogenic cycle – may be dormant for months or years
• The virus injects its DNA into the DNA of the host cell, and when DNA is copied, a copy of the viral DNA is also made.
• Ex: herpes (genital or oral)
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Lysogenic and Lytic Cycles
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Prevention of Viruses
• Vaccines are made of genetically weakened strains of the virus.
• Vaccines prompt the immune system to create antibodies to fight viruses
West Nile Virus Vaccine
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Treatment of Viruses
• Antibiotics DO NOT work. Viruses don’t have a cell wall for antibiotics to break down.
• There are some “anti-viral” drugs that can help to fight viruses.
• Most of the time there is nothing that will help you kill of the virus. It is up to your immune system to do the work.
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Examples of Viruses
• Chicken Pox• Small Pox• Ebola• Flu• HIV• Hepatitis (A,B,C,etc)• Cold• Herpes I & II• Measles, mumps, rubella HIV budding off from a
human cell
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Bacteria and Virus Comparison Chart
• Using your notes, complete the comparison chart. It will be an important tool in reviewing for next week’s test (Thurs/Fri).
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Short Break!
• Please log in to a computer and find my website!
Google Hardtke and Tahoma
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Learning Targets
• I can explain how an experiment can be both systematic and non-linear.
• I understand the different causes, prevention, and treatments of bacterial and viral diseases.
• I can read scientific articles with skepticism and properly question the validity of the findings.
![Page 20: Inquiry 9/18 and 9/21 Please prepare for a warm-up! Have your Semmelweis flowchart and q’s ready for stamping](https://reader035.vdocuments.us/reader035/viewer/2022070409/56649e7a5503460f94b7a7de/html5/thumbnails/20.jpg)
Valid vs. Deceptive Assignment
• On the online links page of my website, choose one of the three articles to read
• Then, come up with 10 questions for the researcher to uncover how valid the claims in the article are. DO THIS ON THE BACK OF YOUR CHART.
• HW: Choose the best 5 questions. What are high quality answers to those questions that would make you think the results are valid?