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MCB 3020 Exam 1 Questions and Answers 100% Correct
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MCB 3020 Exam 1 Questions and Answers 10% CorrectMCB 3020 Exam 1 Questions and Answers 10% CorrectMCB 3020 Exam 1 Questions and Answers 10% CorrectMCB 3020 Exam 1 Questions and Answers 10% Correct Pandemic - ANSWER - worldwide epidemic Pandemic - ANSWER - worldwide epidemic Spanish Flu - ANS...

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  • August 3, 2024
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MCB 3020 Exam 1 Questions and Answers 10%
Correct


Pandemic - ANSWER - worldwide epidemic



Spanish Flu - ANSWER - 1918-1919

Pandemic

Infected 500 million, killed 50 million



Smallpox - ANSWER - 10 million people killed - Aztecs

Brought to New World by Spanish - some were immune

Vaccinations - no new cases since 1977 (eradicated); not in use for 40 years due to vaccina virus
complications

Category A Biological Warfare Agent - easily spread by contact or aerosol spray



Black Plague - ANSWER - Killed 1/3 of Europe's population during one epidemic (1346-1350)

Spread by rats



Legionnaires' Disease - ANSWER - Legionella pneumophila

1976 - American Legion Convention

aerosol and vaporizers



Lyme Disease - ANSWER - Borrelia burgdorferi (deer tick transmission)

1981



Biotechnology - ANSWER - uses GMOs to synthesize products of high commercial value

big quantity, rapid pace

,Ex. interferon, somatostatin using E. coli



Bioremediation - ANSWER - use of living organisms to degrade pollutants

Uranium rendered insoluble by bacteria



Creutzfel-Jakob Syndrome - ANSWER - Mad Cow caused by prion (human equivalent)

From HGH in cadavers



Hantavirus Pulmonary Syndrome - ANSWER - Carried by deer mice in 4 Corners region

"sweating disease" - dead in one day



Mad Cow Disease - ANSWER - Caused by Prions



Influenzas - ANSWER - Pandemics caused by antigenic shift - abrupt change

Antigenic reassortment in swine



SARS (severe acute respiratory syndrome) - ANSWER - corona virus

50% death rate in people over 60



Antigenic Drift - ANSWER - new surface antigens appear from mutations in genes



Viral Hemorrhagic Fever (VHF) Viruses - ANSWER - Most lethal infectious agents - biosafety level 4

Cause hemorrhagic fevers and internal bleeding

Hantavirus in U.S. 1993

Ebola - endemic in Africa - 67% mortality



Primary metabolites - ANSWER - Necessary for microbial growth



Secondary metabolites - ANSWER - Not necessary for microbial growth

, Rumen - ANSWER - bacteria in cow stomach



Impact of Microbiology - ANSWER - Use of microorganisms as a model



Bacterial genetics - ANSWER - advances led to era of molecular biology and biotechnology

studied with E. coli



Two Themes of Microbiology - ANSWER - 1. Understanding basic life processes - central dogma

2. Applying knowledge for benefit of mankind - solving practical problems



Genentech - ANSWER - 1980 - hit Wall St

Founded by capitalist and professor

Applying gene technology or recombinant DNA technology to development of products



Gene therapy - ANSWER - nucleic acids to repair genetic defects



Cell membrane - ANSWER - defines compartment that makes up the cell

invariant structure

semipermeable



Invariant structures - ANSWER - all cells have

cell membrane, ribosomes, DNA, RNA



Variant structures - ANSWER - some cells have

cell wall, mitochondria, chloroplast, etc



Properties of all cells - ANSWER - metabolism, growth/reproduction, evolution by natural selection
(causes mutations)

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