Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
31 Cards in this Set
- Front
- Back
Pandemic |
occurring over a wide geographic area and affecting an exceptionally high proportion of the population |
|
Epidemic |
a disease that spreads over a wide geographic area |
|
Contagious |
transmissible by direct or indirect contact; communicable; a contagious diseases |
|
Immune Systems |
the bodily system that protects the body from foreign substances, cells, and tissues by producing the immune response. |
|
Active Immunity |
protection against a disease acquired by being infected with the pathogen that causes the disease |
|
Amoebic dysentery |
a disease caused by a parasite. The protist amoeba that is found in contaminated food and water. |
|
Antibody |
A chemical substance made by the body to help destroy an invading pathogen |
|
Antimicrobial Product |
a substance that is designed to kill microbes before they enter the body |
|
Carrier |
A person with a disease that they can pass onto other organisms |
|
Contagion |
An infectious disease that can be transmitted or spread from one organism to another |
|
Disease |
is any change that disrupts the normal function of one or more body systems |
|
Infectious disease |
any disease that is caused by a pathogen |
|
Influenza |
an acute, commonly epidemic disease, occurring in several forms, caused by numerous rapidly mutating viral strains and characterized by respiratory symptoms |
|
Noninfectious Disease |
a disease that cannot be spread from one organism to another |
|
Pathogen |
a microbe that causes disease in an organism |
|
Polio |
an acute viral disease marked by inflammation of nerve cells of the brain stem and spinal cord |
|
Small Pox |
an infectious disease unique to humans, caused by either of two virus; variants Variola major & Variola minor |
|
Biotechnology |
the manipulation of living organisms or their components to produce useful usually commercial products |
|
Microbial Hazards |
microorganisms that biologically, chemically or physically contaminate foods or other substances and can cause harm to humans and animals |
|
Bioremediation |
the use of biological agents, such as bacteria or plants, to remove or neutralize contaminants, as in polluted soil or water. |
|
Feedback Mechanism |
A cycle of events in which information from one step controls or affects a previous step |
|
DNA |
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 |
|
Nucleotide |
in nucleic-acid chain, a subunit that consists of a sugar, a phosphate, and nitrogenous base |
|
Chromatid |
each of the two threadlike strands into which a chromosome divides during cell division. Each contains a double helix of DNA |
|
RNA |
Ribonucleic acid, a molecule that is present in all living cells and that plays a role in protein production. |
|
Amino Acids |
used in every cell of your body to build proteins you need to survive |
|
Gene |
the part of a cell that controls or influences the appearance, growth, etc., of a living thing |
|
Erwin Chargoff |
Created Chargoff's rules, which later helped scientist understand the structure of DNA. |
|
Rosalind Franklin |
She was a chemist who made images of DNA molecules using X-ray diffraction. These images suggested that DNA had a spiral shape. |
|
James Watson/Francis Crick |
concluded that DNA must look like a long twisted ladder, which led to their model of DNA. |
|
Homeostasis |
a process by which the body maintains a stable internal environment |