Chapter 36 Crossword
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1 P L A S M A C E L L 2 3 H U M O R A L I M M U N I T Y 4 5 6 7 8 9 10 11 12 13 R 14 T 15 E H 16 C Y E M 17 A N T I
B cell
1 P L A S M A C E L L 2 3 H U M O R A L I M M U N I T Y 4 5 6 7 8 9 10 11 12 13 R 14 T 15 E H 16 C Y E M 17 A N T I
Summary of Chapter 43
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Chapter 43 The Immune System Overview: Reconnaissance, Recognition and Response Pathogens: infectious agents that cause disease Constantly attacking animals Infect a wide variety of animals (including humans) Types of pathogens: Viruses Bacteria Protists Fungi Immune system: The animal?s way of fighting off the Pathogens Made up of many different things (Macrophages, proteins, etc.) Layers of Defense: Outer layer: (barrier) Such as skin or shell Significant obstacle to invasion by microbes(pathogens) Not fully sealed (b/c need to breathe, etc) Additional barrier defenses: such as chemical secretions that trap/kill microbes ? guard the body?s entrances and exits.
AP Bio Reading Guide Answers CH 43
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Copyright ? 2011 Pearson Education, Inc. - 1 - Name _______________________ Period ___________ Chapter 43: The Immune System Our students consider this chapter to be a particularly challenging and important one. Expect to work your way slowly through the first three concepts. Take particular care with Concepts 43.2 and 43.3. It is rewarding, however, in Concept 43.4 to put your new knowledge to work and truly understand the devastation caused by the destruction of helper T cells by HIV. Overview The immune responses of animals can be divided into innate immunity and adaptive immunity. As an overview, complete this figure indicating the divisions of both innate and adaptive immunity. See page 930 of your text for the labeled figure.
AP Biology Chapter 43: The Immune System
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Chapter 43 The Immune System Overview: Reconnaissance, Recognition, and Response Barriers help an animal to defend itself from the many dangerous pathogens it may encounter. The immune system recognizes foreign bodies = ?not self? and responds with the production of immune cells and proteins. Two major kinds of defense have evolved: innate immunity and acquired immunity. How do immune cells of animals recognize foreign cells? 1.5 ?m Innate immunity is present before any exposure to pathogens and is effective from the time of birth. It involves nonspecific responses to pathogens. Innate immunity consists of external barriers plus internal cellular and chemical defenses.
Specific & non specific immunity
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Gurjit Singh Mitosis and meiosis Karen McLeary Produce an annotated word document or draw an annotated poster showing and explain the stages of mitosis and meiosis, explain how the behaviour of chromosomes leads to variation in cells. In mitosis the new cells being produce will be identically same to their parent cell. The DNA is exactly the same as the parent cell. There are five phases that it occurs in ? prophase, prometaphase, metaphase, anaphase and telophase. In prophase, the chromosomes become condensed, and discrete. The nucleoli disappear with each chromosome appears as two identical sister chromatids joined at the centromere.
ApBo
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Chapter 43 TheImmuneSystem 43-3,4 Active/Passive Immunization Active immunity : defenses that arise when a pathogen infects the body and prompts a primary or secondary immune response Passive immunity : antibodies guard against pathogens that have never infected them (lasts as long as antibodies last) ? Example: mother?s IgG & IgA antibodies to baby Artificial active immunity: immunization (vaccination) Antigens used to make vaccines Artificial passive immunity: inject antibodies from an animal already immune into another animal ? Short-term but immediate Polyclonal/Monoclonal Antibodies : Polyclonal or monoclonal Polyclonal : products of many different clones of plasma cells Monoclonal : made from a single clone of B cells grown in culture
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