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AP Bio Body Systems II Jeopardy ExcretoryMuscularImmune SystemReproduction & Development Misc. Animals 10 20 30 40 50
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What is the functional unit of the excretory system? 10 points
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What three nitrogenous wastes do animals produce during excretion? 20 points
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What are the 4 stages in excretion? 30 points
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ID 2 functions of kidneys 40 points
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ID items A, B, D, E and F 50 points
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The nephron 10 points
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Ammonia, urea, and uric acid 20 points
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Filtration Secretion Reabsorption Excretion 30 points
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Osmoregulation Removal of nitrogenous wastes Removal of some toxins Regulation of blood volume & pH 40 points
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A: Glomerulus B: Proximal convoluted tubule D: Distal convoluted tubule E: Collecting duct F: Loop of Henle 50 points
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What are the three types of muscle? 10 points
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What is a functional unit of a striated muscle cell? 20 points
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What are the major proteins in the 2 types of myofilaments? 30 points
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Describe the structural differences between the two structures that make up a myofibril. 40 points
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What causes the sarcomere to contract? 50 points
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Skeletal Muscle Smooth 10 points
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Sarcomere 20 points
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Myosin (thick myofilaments) & Actin (thin myofilaments) 30 points
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The actin proteins are thin filaments which consist of two chains of actin proteins wound around each other (they also contain the proteins troponin attached to tropomyosin). The myosin are thick filaments made up of two long chains of myosin molecules with a globular head at one end. 40 points
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On the thin filaments, Ca 2+ ions bind to troponin, causing the tropomyosin molecules to shift, exposing myosin binding sites, allowing cross bridges to form between the myosin and actin. As the cross bridges break and reform and break again, the muscle contracts. Muscle contracts as thick and thin filaments slide over each other. 50 points
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Name three nonspecific defense mechanisms your body uses to protect itself from pathogens. 10 points
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Name three components that make up the second line of non-specific immune response. 20 points
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What are antigens and antibodies? 30 points
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Explain cell mediated immunity. 40 points
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Explain humoral immunity. 50 points
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Skin Mucous Membranes Cilia Stomach Acid Sweat, Oil 10 points
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Inflammatory response Phagocytes (Neutrophils, Macrophages) Complement – a group of Proteins Interferons – a group of Proteins Natural Killer Cells 20 points
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Antigens are the bad guys that infect you; your body recognizes them as foreign Antibodies are proteins made by Plasma cells, they attach to antigens and inactivate the antigens 30 points
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A macrophage engulfs an antigen. Pieces of the antigen are placed on the surface of the macrophage. A helper T cell binds to the antigen. This binding activates the T cell which causes the cell to multiply and generate cytotoxic T cells. A cytotoxic T cell has receptors specific for the displayed antigen. They go and bind to infected cells with the antigen marker. Upon binding, molecules are released which kill the target cell that is infected. The cytotoxic T cells also generate Memory T cells and Suppressor T cells 40 points
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A macrophage engulfs an antigen. Pieces of the antigen are placed on the surface of the macrophage. A helper T cell binds to the antigen. This binding activates the T cell which causes the cell to multiply. A B cell can then engulf an antigen; the activated Helper T cell binds to the B cell activating the B cell, which become memory B cells or Plasma cells that produce anitbodies. 50 points
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Compare asexual and sexual reproduction. 10 points
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Following fertilization, what are the 3 early embryonic stages in most animals (not including 8-cell stage)? 20 points
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What 3 layers eventually form in the gastrula? 30 points
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What happens in Cleavage? 40 points
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What do each of the 3 layers of the gastrula eventually develop into (ID 2 systems for each layer) 50 points
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Asexual reproduction produces genetically Identical offspring to the parents (clones). Sexual reproduction produces genetically different offspring and leads to variation (requires 2 different gametes). 10 points
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Zygote, blastula and gastrula 20 points
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From outside in: ectoderm, mesoderm and endoderm 30 points
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Cleavage is the rapid mitotic cell division of the zygote that occurs immediately after fertilization. 40 points
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Ectoderm – becomes the skin and the nervous system Endoderm – will form the viscera including the lungs, livers, and digestive system. Mesoderm – will give rise to the muscle, blood, and bones. 50 points
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What are body symmetry that radiates from the center of an animal and 2-sided symmetry? 10 points
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What is cephalization? 20 points
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What is the longitudinal, flexible rod that runs along the dorsal axis of vertebrate embryos, in the position that will become the vertebrate column? 30 points
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Name 3 adaptations for evaporative heat loss by animals 40 points
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ID a function of each of the 4 lobes of the cerebrum 50 points
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Radial and Bilateral symmetry 10 points
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A concentration of sensory equipment at the anterior end of an animal 20 points
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A notochord 30 points
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Sweating, panting, spraying water on the body 40 points
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Frontal: language, speech, fine motor activities Parietal: taste, interprets symbols & abstract reasoning, thought integration Temporal: smell, hearing, translates words to thought Occipital: vision 50 points
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