in class wk 1 Flashcards
(40 cards)
“animalcules” were first discovered by ____________.
Anthony Van Leeuwehoek
an english scientist that improved the design of the microscope and confirmed the work of Van Leeuwenhoek is Robert ___________.
Hooke
Another term for spontaneous generation is ___________ which means life can develop from non-living matter.
abiogenesis
Louis _________ created a means of heating wine to kill microorganisms that cause food spoilage but not kill any beneficial microorganisms
Pasteur
Ignaz _________ observed that women in the maternity ward became ill or died after being examined by physicians that came directly from the morgue. He required physicians to wash their hands with chlorine.
Semmelweis
Robert Koch established that a specific microbe causes a specific disease by observing ________________ infections in humans and cows.
anthrax
__________________________ is the scientist who performed the first vaccination against smallpox
Edward Jenner
______________________ is a disease generally cause by contaminated food
Shigellosis
The formal system of organizing, classifying, and naming of living organisms is _________________.
taxonomy
Linnaeus assigned each species a ______________ using its genus and species.
binomial
Microorganisms of various species are often organized into complex communities on a surface and are called ____________.
biofilms
Interactions between organisms in a community can occur as ________________, where both organisms benefit.
mutualism
By ____________________, where waste from microbes provides nutrients for another organism
commensalism
_______________________, where two organisms are dependent on each other to break down a nutrient
synergism
________________ where one organism benefits and the other is harmed
parasitism
________________ are forms of matter that cannot be broken down into further, such as oxygen, carbon, hydrogen, and nitrogen
elements
the smallest units of matter are ____________
atoms
a(n) ____________ is an electrically charged atom, particle, or molecule that is formed when one or more electrons are transferred from one atom to another.
ion
the breakdown of large molecules into smaller ones in the presence of water is called ______________.
hydrolysis
_________________ compounds consist of molecules that do not contain carbon
inorganic
water is a ___________ that can dissolve many different substances
solvent
____________ are substances dissolved in water
solutes
_________ molecules contain atoms of carbon and hydrogen
organic
the plasma or cell membrane is compromised of two layers of ________________ embedded with proteins and cholesterol
phospholipids