Cells I. Vocabulary to know from this chapter for possible matching/multiple choice questions Hooke‚ Schleiden and Schwann‚ Virchow‚ plasma membrane‚ cytoplasm‚ nucleus‚ diffusion‚ membrane potential‚ gene‚ exon‚ intron‚ cell differentiation‚ apoptosis II. Know these parts of the cell and their basic functions for matching or multiple choice questions: - Membrane proteins- types: integral and peripheral - Membrane junctions- types: tight junctions‚ desmosomes‚ gap junctions - Cell adhesion
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The documented case of Betty Topper: In September 1999 police found six-year-old girl Betty Topper chained to a bed with ’what appeared to be’ a dog leash‚ after they got a tip from an anonymous caller who said the child had not been seen in years. Her mother Cyndi Topper later confessed that she had been chained there for five years. When police searched the house (located in Norco‚ California)‚ it was covered with garbage from the floor to the ceiling and there were human and animal faeces everywhere
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this vaccine was live and attenuated vaccine. It triggered the humoral and cell-mediated immunity. This vaccine unlike the Salk‚ triggered the T-cells which are able to recognize infected cells; they are able to signal and induce the chance for apoptosis. Sabin thought that the live‚ attenuated vaccine was more effective do to the transmission of immunity to other individuals that have not received the vaccine. The vaccine is a 3 dose vaccine and is 95% effective‚ this vaccine is still being used
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The toxins from the bacterial can result in neuronal apoptosis‚ cell wall lipopolysaccharide‚ resulting in clotting leading to disseminated intravascular coagulation. Severe outcomes from the bacteria can be caused from an inflammation response. The cells that are innate and a part of the immune system of the
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The cell cycle‚ or cell-division cycle‚ is the series of events that take place in a cell leading to its division and duplication that produces two daughter cells. In cells without a nucleus‚ the cell cycle occurs via a process termed binary fission. In cells with a nucleus‚ the cell cycle can be divided in three periods: interphase—during which the cell grows‚ accumulating nutrients needed for mitosis preparing it for cell division and duplicating its DNA—and the mitotic phase‚ during which the
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Anthrax Pathogen Info: • Rod-shaped‚ spore-forming bacteria with square ends • Spores are inactive until they enter a live host; can survive for decades prior to infection. • Pathogenicity: • Forms a protective protein capsule to avoid phagocytosis • Anthrax toxin (all from RCSB source‚ Anthrax toxin.‚ other journals that are bookmarked) • Three parts (EF and LF attack signaling parts of cell) • Edema factor (EF) is an adenyl cyclase enzyme. It attacks ATP‚ turns it into cyclic AMP‚ and creates
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Catharina Svanborg says she does; it is human breast milk‚ and it is killing cancer cells! It has been extremely difficult to convince her science colleagues that the work she is doing is for real! Her lab is not large‚ and she does not qualify as a high-profile‚ "big scientist." Besides‚ her specialty is not even cancer at all but infectious disease. David Solomon‚ a cancer researcher at the National Cancer Institute (NCI) says that novel ideas in science always challenge the current paradigm. Furthermore
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Fibrodysplasia ossificans progressiva (often called FOP‚ or Stone Man’s Disease) is an incredibly rare disease that directly affects the patients connective tissue. The name means “soft connective tissue that progressively turns to bone.” FOP is a result of a mutation in the body’s tissue repair structures‚ which will cause fibrous tissue to turn to bone‚ or become ossified‚ randomly or upon tissue damage. In the majority of cases‚ any injury can cause the affected joints to become frozen in place
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New York Times Bestseller Novel Survival of The Sickest by Dr. Sharon Moalem focuses on the idea that certain illness which we have inherited today‚ may have been the key to survival in past. Dr. Sharon Moalem a neurologist and an evolutionary biologist gives various examples on different traits and illness such as Hemochromatosis and the process of aging as a tool which allowed our ancestors to survive and successful further the generation. Hemochromatosis as described in the novel is a build
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Structured Report on the Health Benefits of Fruit and Vegetable Consumption. Introduction: The importance of the consumption of fresh fruit and vegetables as a means of preventing disease has been known since at least 1747 when a ships surgeon‚ James Lind carried out an experiment which conclusively proved that citrus fruit prevented scurvy. According to Lind‚ scurvy caused more deaths in the British navy than French and Spanish arms combined. He gave some crew members two oranges and one lemon
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