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Do now

Do now. 1. Copy into your notes: Antigen: a chemical marker on a cell’s surface that indicates whether the cell is from your body or is a foreign material. 2. Phagocytes: Ingest and break down foreign materials. Announcements. Homework packet is due on Friday. Quiz on Friday.

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Do now

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  1. Do now • 1. Copy into your notes:Antigen: a chemical marker on a cell’s surface that indicates whether the cell is from your body or is a foreign material. • 2. Phagocytes: Ingest and break down foreign materials

  2. Announcements • Homework packet is due on Friday. • Quiz on Friday. • Gonzaga ranked 12th in latest NCAA poll. • Please note that UNC is ranked 14th. • http://www.bing.com/videos/watch/video/jimmy-and-rashida-jones-sing-a-one-direction-gangam-style-and-rihanna-holiday/17wcc461f?q=viral+gangnam+rihanna+fallon&rel=msn&from=en-us_msnhpvidmod&form=MSNrll

  3. Agenda • Immune response reading • Antibodies activity • Puttin’ them in order • Exit ticket

  4. Immune response reading • This is complicated. • Work in partners and make sure you are keeping each other on task and focused. • You’ll need to have out your notes.

  5. Immune Response • A T Cell recognizes an antigen on an antigen-presenting phagocyte. • The T Cell reproduces rapidly. • Some T Cells signal B Cells to make antibodies to fight the pathogen. • Antibodies attach to the antigens, marking the pathogens for destruction.

  6. Antibody Response • Each student will be handed a lid. On the lid will be a different pathogen. • You will see plastic containers spread throughout the room. • There is one container in the room with the same label as your lid. • At the signal, find the plastic container with the pathogen that has the same label as your lid and wait for me to tell you to stop. • http://www.online-stopwatch.com/countdown-timer/

  7. Antibody Response Cont. • If you still haven’t found the matching container, your model pathogen has spread. • If your pathogen has spread, write its name on the board.

  8. Antibody response cont. • What does the lid and container represent and why? • How do antibodies identify pathogens? • Why do you think it is important for your body to identify pathogens?

  9. Puttin’ them in order • On the back of your article is our next task. • In your partner’s, you’ll read your scenario and figure out what’s happening with the immune system. • If you have questions, raise your hand and I’ll come by and help!

  10. Exit ticket

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