Tuesday, April 28, Chapter The Body's Defenses In innate immunity, recognition and response rely on shared pathogen traits Innate immune responses include barrier defenses as well as defenses to combat pathogens that end the body 1. Barrier defenses skin and the mucous membranes cover the surface and line the openings of the animal body, and they provide an external barrier against infecting agents First Line of Defense Specifically, skin, antimicrobial proteins are in the saliva, cilia lines the lungs to sweep invaders out, gastric juice of the stomach kills most microbes, and symbiotic bacteria in the digestive tract also serve as first line of denfense Microbes that get through the skin-- for instance, in a cut-- encounter certain types of white blood cells called neutrophils that ingest and destroy them in a process called phagocytosis Here is a link to a video showing neutrophil phagocytosis http:
I went to a summer institute but it was sadly not very helpful: Anyway, we start back to school next Wednesday and I have been working really hard to get my first few units together and am finally at the test planning stage. On your website you noted that there are MC questions out there and to e-mail you for them, so if there is any way that you could send me any practice test questions that you have, that would be awesome I have all of the FRQ.
Also, if you have any suggestions for sources for the new math grid-in response questions and the short free response, that would be great too! Again, thank you for the website- it has been so helpful as the last AP Bio teacher at my school moved out of state and most of what she did leave behind is very outdated pre lab stuff.
I will look at all of those resources, hopefully someday I will have something to contribute in return! Good luck with flipping, I went to the national conference in Chicago this summer and have decided to mostly just use the Bozeman and Khan vidoeos for now, but try to start making my own at one per unit.
I am so excited about using this method in AP Bio and really helps me to get through this "reduced" ha,ha curriculum!
Middleburg High School Greetings from frigid Florida! I just wanted to let you know that I stumbled into your fantastic website over Christmas break — I think you have done a super job with this! Now that I am back in the classroom, I seem to be having difficulty with some of the links — example: This is the message I see instead: Your connection has been interrupted for one of the following reasons: This did not happen when I first visited your website.
I look forward to your reply, Krissa Arend.Easy.
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Each exam, with a few exceptions, consists of a multiple choice section followed by a free response section. With only 50 minute class periods, the exams are distributed across two days. The first day, students are given a 60 multiple choice test, which is taken in the “AP Exam” format.
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This site is hosted by the University of Georgia and contains AP Biology essays and rubrics from – Emphasis should be placed on the essays from – The College Board also has the most recent essays here.