α-Amino-β-methylaminopropionic Acid (BMAA) Play a Role in Neurodegeneration?‚ 19. WHO What do you know about the person who created this source? The authors of this document are biostatisticians and have had experience in understanding concepts of ALS and Cyanobacteria by completing various experiments recording their results in a table which discovered that the symptoms of ALS were the same of ALS patients‚ therefore their results can be trusted. WHEN What was life like when this source was created? Is
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microscope‚ spirulina appears as long‚ thin‚ blue-green spiral threads. The odor and taste of spirulina is similar to seaweed. Spirulina is a cyanobacterium that can be consumed by humans and animals and is made primarily from two species of cyanobacteria: Arthrospira platensis and Arthrospira maxima. Arthrospira is cultivated worldwide; used as a dietary supplement as well as a whole food; and is available in tablet‚ flake and powder form. It is also used as a feed supplement in the aquaculture
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DOLP- Fungi General Structure and Function: For many years‚ fungi were classified into the plantae kingdom because the two kingdoms seemed to be alike; but now‚ we know that they are all too different. In fact‚ the fungi kingdom is more closely related to the animalia kingdom. Some of the only notable similarities between the fungi and plantae kingdoms are that they are both made of eukaryotic cells‚ both immobile‚ both contain cell walls (although made of different material)‚ and both evolved
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Theories: unifying explanations of the natural world Proximate questions: deal with mechanisms. Don’t always need evolutionary explanations Ultimate questions: concerned with evolutionary origins and functions Induction: inference of general law from observations Hypothesis: possible explanation for observation Carolus Linnaeus: binomial nomenclature Nomenclature: system of rules for naming things Taxonomy: naming and classifying organisms Systematics: theory and practice of classifying organisms
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1. There are two main types of cells‚ prokaryotic and eukaryotic. The connection between the two can be seen right from their prefixes‚ pro meaning before and eu meaning true or good. This is because prokaryotic cells are before a nucleus and eukaryotic cells possess a true nucleus. This has led to many theories that eukaryotic cells have evolved from prokaryotes. The evidence for this is most noticeable in the structure of the cells‚ which will be compared below. Prokaryotic cells have no
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Origin of Eukaryotes * The origin of eukaryotes is important to understand the origin of modern complex cells. There are three main separate theories that hypothesize the origins: the three-domain system‚ eocyte theory‚ and endosymbiosis. Each one have there own merits and evidence supporting. These theories suggest the evolution of cells from the most primitive prokaryotes‚ unicellular organism having cells lacking membrane-bound nuclei‚ to the most complex eukaryotes‚ single or multicellular
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This will change its acidity‚ turbidity levels and temperature which causes an unnatural environment for the native animals and plants. (refer to figure 2.1). Furthermore‚ this can also contribute to the formation of patches of blue-green algae (cyanobacteria) as high content of phosphates are emitted from stormwater drainage systems and human domestic pet faeces that they do not clean up. The blue-green algae will affect the aquatic ecosystems as it will use large amounts of carbon dioxide‚ and increase
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Term | Definition | Systematic Biology / Systematics | * Study of the biodiversity * Quatitative science that uses the characteristics of living and fossil organisms(traits) to infer relationships between organisms over time | Taxonomy | * Branch of systematic biology * Process of identifying‚ naming and organising biodiversity into related categories | Taxon | General name for a group containing an organisms or groups of organisms that exhibit a set of shared traits | Classification
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the body. An atmosphere is more likely to be retained if the gravity is high and the atmosphere’s temperature is low. Earth’s atmosphere‚ which contains oxygen used by most organisms for respiration and carbon dioxide used by plants‚ algae and cyanobacteria for photosynthesis‚ also protects living organisms from genetic damage by solar ultraviolet radiation. Its current composition is the product of billions of years of biochemical modification of the paleoatmosphere by living organisms. The term
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classified as Archeabacteria and Eubacteria. Answer: Archeabacteria: Methanogens – “methane makers”; Extreme halophiles – “salt lovers”; Extreme thermophiles – “heat lovers” Eubacteria: spirochetes; chlamydias; proteobacteria; Gram-positive bacteria; cyanobacteria 4. What method do prokaryotic cells use to reproduce and what is the end result? Answer: Asexual‚ Results in two genetically identical daughter cells 5. What is a plasmid? Answer: Self-replicating circle of DNA that has a few genes; Can be passed
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