Diseases Caused by Bacteria and Viruses Section 19-3 This section describes bacterial and viral diseases. Bacterial Disease in Humans
What are pathogens? They are disease-causing agents. Bacterial Disease in Humans What are the two general ways that
bacteria cause disease? Some damage the tissues of the infected organism directly by breaking them down for food. Others release toxins that harm the body. Bacterial Disease in
Humans What kind of tissue do the bacteria that cause tuberculosis break down? They break down lung tissue. Bacterial Disease in Humans
What are antibiotics? They are compounds that block the growth and reproduction of bacteria. Bacterial Disease in Humans
What is one of the major reasons for the dramatic increase in life expectancy during the past two centuries? There is an increased understanding of how to prevent and cure bacterial infections. Controlling Bacteria
What is sterilization? It is a way of destroying all bacteria by subjecting them to great heat. Controlling Bacteria A chemical solution that kills pathogenic bacteria is called a(an) _____.
disinfectant Controlling Bacteria Why will food stored at low temperatures keep longer? The bacteria in the food will
take much longer to multiply. Controlling Bacteria How can food be preserved through canning? This method involves heating food to a high temperature and then immediately placing it into sterile
glass jars or metal cans and sealing the container. Controlling Bacteria What everyday chemicals can be used to inhibit the growth of bacteria in food? They include salt, vinegar, and sugar.
Viral Disease in Humans What are some human diseases that viruses cause? Viruses cause polio, measles, aids, mumps, influenza, yellow fever, smallpox, the common cold, and many other diseases.
Bacteria and Viruses Viral Disease in Animals Cancer-causing viruses are known as_____. oncogenic viruses Bacteria and Viruses
Viroids and Prions A disease-causing particle that contains only protein and not DNA or RNA is called a(an)_____. prion WordWise
What is the viral DNA that is embedded in a hosts DNA? prophage BACTERIA AND VIRUSES What is a rod-shaped bacterium?
bacillus BACTERIA AND VIRUSES What is a compound that blocks the growth and reproduction of bacteria? antibiotic
BACTERIA AND VIRUSES What is a virus that infects bacteria? bacteriophag e BACTERIA AND VIRUSES What is a prokaryote that can capture
sunlight for energy but also needs organic compounds for nutrition? photoheterotrop h BACTERIA AND VIRUSES What is the exchange of genetic
information that occurs from one bacterium to another through a hollow bridge? conjugation BACTERIA AND VIRUSES What is a virus that contains RNA as its
genetic information? retrovirus BACTERIA AND VIRUSES What is the process in which nitrogen is converted into a form plants can use?
nitrogen fixation BACTERIA AND VIRUSES Hidden Word:
One synonym for loyalty is commitment - the act of staying true to an idea, a cause, a nation, a person, or even yourself. ... Segregation - forced separation of racial groups. In 1957, segregation was still common in the...
Why classify accents as high prestige vs low prestige?. There is an arbitrary attitude towards them by people. The phonetic characteristics of standard accents hold true/are valid at a certain time, place
What is it? From Tibetan Tradition. Represents the cycle of samsara & teachings of the Buddha. Divided into the Six Realms of being. In each realms the Bodhisattva of Compassion, Avalokiteshvara, appears to show the way to liberation
Now that the salt and sugar have been absorbed by the body, where is the water concentration highest? In the intestine. So which way will the water move? Back into the patient. This osmotic movement of water saves the patient's...
The field of optics has evolved over the yearand encompasses many different description. Light as bundles of rays "geometric optics" Light as e.m. wave "wave optics" Light as a "strong e.m. field that can alter the properties of matter "strong-field-regime...
The ECFMG must mail the Certification Status Report directly to the Board to be . acceptable. Go to . https:// cvsonline2.ecfmg.org. and log in as an International Medical Graduate. Click on "Go to CVS ON-LINE" ...
Sonodense - the result of an attenuated sound beam traveling through a solid structure. Synonym: Hyperechoic, echodense, or sonopaque. Sonolucent- the result of an unattenuated sound beam traveling through a fluid-filled structure. Synonym: anechoic, echolucent. Superficial- toward the body surface....
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