Quiz 2
- Page ID
- 2609
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Match the agents/organisms/Kingdoms listed with the best description below.
- Disease-causing prion
- virus
- Primitive cyanobacteria
- Primitive aerobic respiring bacteria
- Kingdom Fungi
- Kingldom Plantae
- algae
- Kingdom Animalia
Descriptions
- Eukaryotic mitochondria evolved from __d_______
- Eukaryotic chloroplasts evolved from ___c_______
- Acellular microbe, lacks DNA and RNA=___a_______
- Eukaryote, usually unicellular, no tissues, photoautotroph, has chloroplasts, e.g. Spirogyra=___g_____
- Eukaryotes, photoautotroph, multicellular, has chloroplasts& tissues, e.g Elodea=__f_______
- Acellular, has either DNA or RNA surrounded by protein coat, e.g. Ebola pathogen=_b_____
- Eukaryotes, has chitin in cell wall, ergosterol in cell membranes, chemoheterotroph=__e___
- Eukaryote, multicellular, motile, ingestive nutrition, chemoheterotroph, lacks cell wall e.g Taenia solium (pork tapeworm)=__h_____
- A change in the genetic make-up of a population of organisms is called _biological evolution_____________
- An example of natural selection described in lecture is _overuse of antibiotics selecting for drug-resistant bacterial pathogens (e.g. “MRSA”)
- The Endosymbiotic Theory states that__eukaryotic mitochondria and chloroplasts evolved from primitive endosymbiotic bacteria
- In which Domain are organisms which can make peptidoglycan?_Domain Bacteria________
- In which Domain are organisms described as “extremophiles”?__Domain Archaea____________ What is a “thermophile”?__an organism which can live at very high temperatures____________________
- Name 3 microbial processes: a few examples…_pathogenesis, bioremediation, recycling, element cycling, fermentation, sewage processing, photosynthesis….
- Medical ecology: Which 3 factors contribute to infectious diseases? Host, microbe, environment_________
- What is the human microbiome?_all the microbes which live on and within a human
- For every human cell, how many microbes colonize a human?__10 microbes for every human cell (!)___________
- Viruses are described as “obligate intracellular parasites” which means_to replicate, viruses must be inside/within a host cell.