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43 Cards in this Set
- Front
- Back
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_______- discovered the cork cell in a plant in 1665. |
Hooke |
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Cell Theory states that... All living things _____________ Cells are unicellular or _____________. Cells are fundamentally __________. Cells come from _____________. |
are composed of cells. multicellular alike pre-existing cells |
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____________ was the first forms of life on Earth. |
Bacteria |
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The 3 recognized domains are __________. |
bacteria....archae.... and eukaryotes |
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___________ are organisms that does not require oxygen. |
Anaerobes |
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___________ are organisms that require oxygen. |
Aerobes |
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What are the 2 ways microbes get energy? |
heterotrophs autotrophs |
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Organisms that require compounds as an energy source are ______________. Ex: animals, humans |
heterotrophs |
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Organisms that utilize energy from the sun or the metabolism of inorganic compounds are ____________. Ex: plants |
autotrophs |
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heterotrophs depend on ____________ for energy. |
autotrophs |
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On the pH scale, would you find a higher concentration of hydrogen ions (H+) in the acids or in the bases? |
acids |
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Humans have to have oxygen, therefore they are ______________ aerobes. |
obligate
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______________ are bacteria that can grow better in O2, but can shift their metabolism and also grow int he absence of O2. |
facultative anaerobes |
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_____________ lacks enzymes and O2 is toxic to them. |
obligate anaerobes |
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_____________ are microbes that grow under harsh environmental conditions. |
extremophiles |
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Extremophiles that like very hot temperatures are called ________________. |
hyperthermophiles |
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Extremophiles that like heat are called _____________. |
Thermophiles |
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Extremophiles that like cold are called _____________. |
psychrotroph |
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Extremophiles that like extremely cold temperatures are called _______________. |
psychrophiles |
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An extremophile that prefers the same temperatures as a human pathogen are called __________. |
mesophiles |
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microbes that are cold, react _____________. microbes that are hot, react ___________. |
slow fast |
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Do prokaryotes have a nucleus? |
no |
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Cell division in prokaryotes is called ____________. |
binary fission |
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Cell division in eukaryotes is called ______________. |
mitosis or meiosis |
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A major distinction between a prokaryotic cell and an eukaryotic cell is the presence of a _______________. |
nuclear membrane |
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Is most bacteria considered to be heterotroph or autotroph? |
heterotroph |
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The smallest unit of measurement is the _________. |
nanometer |
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Give an example of an obligate intracellular parasite. |
a viruses |
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__________ does not have nucleic acids in its structure. |
prions |
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The five-kingdom system of taxonomy is accredited to ____________. |
Whittaker |
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According to Woese, _____________ arose from Eucarya. |
Archaea |
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What bacterium produces an enzyme that catalyzes DNA synthesis? |
Thermus aquaticus |
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Which microbe is not a disease producer? |
archaea |
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What bacterium produced a red pigment and contaminated communion wafers during mass in 1263? |
Serratia Marcescens |
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Bacteria, viruses, fungi, and protozoans are microbes. Name another group that falls under the microbial umbrella. |
prions or algae |
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Compounds of carbon are called _____________. |
organic compounds |
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Organisms that do not require organic compounds are called _____________. |
autotrophs |
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The "energy compound" is called _________. |
ATP |
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Strict anarobes are killed by ____________. |
oxygen |
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The term ______________ is used to describe organisms too small to be seen without a microscope. |
microscopic |
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______________ are the ancestors of eukaryotes. |
prokaryotes |
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Most bacteria reproduce by _____________. |
binary fission |
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___________ are infectious protein molecules. |
prions |
