Disease/viruses/bacteria Vocabulary

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Pandemic

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occurring over a wide geographic area and affecting an exceptionally high proportion of the population

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Epidemic

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a disease that spreads over a wide geographic area

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Contagious

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transmissible by direct or indirect contact; communicable; a contagious diseases

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Immune Systems

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the bodily system that protects the body from foreign substances, cells, and tissues by producing the immune response.

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Active Immunity

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protection against a disease acquired by being infected with the pathogen that causes the disease

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Amoebic dysentery

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a disease caused by a parasite. The protist amoeba that is found in contaminated food and water.

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Antibody

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A chemical substance made by the body to help destroy an invading pathogen

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Antimicrobial Product

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a substance that is designed to kill microbes before they enter the body

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Carrier

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A person with a disease that they can pass onto other organisms

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Contagion

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An infectious disease that can be transmitted or spread from one organism to another

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Disease

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is any change that disrupts the normal function of one or more body systems

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Infectious disease

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any disease that is caused by a pathogen

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Influenza

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an acute, commonly epidemic disease, occurring in several forms, caused by numerous rapidly mutating viral strains and characterized by respiratory symptoms

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Noninfectious Disease

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a disease that cannot be spread from one organism to another

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Pathogen

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a microbe that causes disease in an organism

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Polio

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an acute viral disease marked by inflammation of nerve cells of the brain stem and spinal cord

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Small Pox

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an infectious disease unique to humans, caused by either of two virus; variants Variola major & Variola minor

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Biotechnology

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the manipulation of living organisms or their components to produce useful usually commercial products

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Microbial Hazards

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microorganisms that biologically, chemically or physically contaminate foods or other substances and can cause harm to humans and animals

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Bioremediation

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the use of biological agents, such as bacteria or plants, to remove or neutralize contaminants, as in polluted soil or water.

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Feedback Mechanism

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A cycle of events in which information from one step controls or affects a previous step

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DNA

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Deoxribonucleic Acid, a molecule that is present in all living cells and that contains the information that determines the traits that a living thing inherits and needs to live

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Nucleotide

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in nucleic-acid chain, a subunit that consists of a sugar, a phosphate, and nitrogenous base

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Chromatid

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each of the two threadlike strands into which a chromosome divides during cell division. Each contains a double helix of DNA

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RNA

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Ribonucleic acid, a molecule that is present in all living cells and that plays a role in protein production.

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Amino Acids

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used in every cell of your body to build proteins you need to survive

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Gene

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the part of a cell that controls or influences the appearance, growth, etc., of a living thing

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Erwin Chargoff

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Created Chargoff's rules, which later helped scientist understand the structure of DNA.

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Rosalind Franklin

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She was a chemist who made images of DNA molecules using X-ray diffraction. These images suggested that DNA had a spiral shape.

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James Watson/Francis Crick

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concluded that DNA must look like a long twisted ladder, which led to their model of DNA.

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Homeostasis

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a process by which the body maintains a stable internal environment