and eukaryotic cells are similar in several ways. Both types of cells are enclosed by cell membranes (plasma membranes)‚ and both use DNA for their genetic information. Prokaryotes include several kinds of microorganisms‚ such as bacteria and cyanobacteria. Eukaryotes include such microorganisms as fungi‚ protozoa‚ and simple algae. Viruses are considered neither prokaryotes nor eukaryotes because they lack the characteristics of living things‚ except the ability to replicate (which they accomplish
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Nitrifying bacteria‚ Sulfur-oxidizing bacteria‚ Iron-oxidizing bacteria‚ Knallgas-bacteria photolithoautotrophs obtain energy from light and carbon from the fixation of carbon dioxide‚ using reducing equivalents from inorganic compounds. Examples: Cyanobacteria (water (H2O) as reducing equivalent donor)‚ Chlorobiaceae‚ Chromatiaceae (hydrogen sulfide (H2S) as reducing equivalent donor)‚ Chloroflexus (hydrogen (H2) as
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simultaneously feel better. By losing weight‚ you can increase your metabolism‚ weight loss and lose weight effectively and naturally effective. Learn more in this article and learn more. What is spirulina? Spirulina is a natural marine algae (cyanobacteria) powder has an incredibly high in protein and a good source of antioxidants‚ B vitamins and other nutrients. When properly harvested from non-fought ponds and streams‚ it is one of the most potent sources of food available. It consists largely
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engines The potential of biomass fuels in the context of global climate change: Focus on transportation fuels Performance tests of a diesel engine fueled with pentanol/diesel fuel blends Physiological tolerance and stoichiometric potential of cyanobacteria for hydrocarbon fuel production A comparison of performance of higher alcohols/diesel fuel blends in a diesel engine Integrating syngas fermentation with the carboxylate platform and yeast fermentation to reduce medium cost and improve biofuel
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Charophyta / Stoneworts * Ancestor of mosses * Chlorophyll a and b 8. Chrysophyta / Golden Algae * Chlorophyll a and c * Accessory pigment: fucoxanthin * Laminarin and chrysolaminarin * Unequal flagella 9. Cyanobacteria (Blue-green algae) * Lacks nucleus * Phycolbilins * Spirulina- high protein dietary supplement ROLES: 1. Food Chain 2. 80% Earth’s O2 3. Petroleum 4. Symbiosis 5. Decomposition of O2 in H2O ALGAE as entrée
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8.4 Life On Earth Students Learn About 1. Analysis of the oldest sedimentary rocks provides evidence for the origin of life • Identify the relationship between the conditions on early Earth and the origin of organic molecules Notes THE AGE OF THE EARTH - based on geological‚ magnetic‚ radiographic and paleontological studies: aged 4.5 billion years - Hadean eon: formation of earth from gaseous cloud to solid body. Heavy molten iron sank down and became the core‚ lighter rock came to surface = crust
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LEAPES Summer Assignment- Outline Chapter 1: Introducing Environmental Science and Sustainability I. Human Impacts on the Environment A. Life has existed on Earth for about 3.8 billion years. 1. About 800‚000 years ago‚ humans appeared in Africa. B. Humans are altering the Earth and not always in a good way. 1. We are transforming forests‚ prairies‚ and deserts and consuming large amounts of Earth’s finite resources such as rich topsoil‚ clean water‚ and breathable air. 2. Global warming
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The theory of endosymbiosis is that eukaryotes may have developed some of their internal cell structures/organelles from one cell engulfing another cell and then both developing a type of symbiotic relationship. Each engulfed cell would eventually serve a specialized function in support of the new single eukaryotic cell and eventually neither portion would be able to exist independently. This theory was originally developed by Lynn Margulis and there have been various discoveries that have supported
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chain) Staphylococci (cocci cluster) Groups of Bacteria Proteobacteria- Symbiotic Bacteria converts nitrogen to ammonia for plants to use‚ can cause ulcers Gram Positive- Can cause strep throat‚ Lactic acid bacteria‚ used to make antibiotics Cyanobacteria- work like plants use photosynthesis to get energy from sunlight‚ give off oxygen Spirochetes- Gram negative‚ spiral shaped bacteria they can cause STI Chlamydia- Gram negative‚ live inside animal cells Structure and Function of Bacteria
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Chapter 25 Pre-Test Question 1 Part A Miller and Urey’s experiments that attempted to recreate conditions on early Earth were significant because _____. Hint 1. They gave credence to the idea of abiotic synthesis. ANSWER: they showed how polymers could form spontaneously on a clay substrate they produced the first protocells they showed how radiometric dating could be used to give the absolute ages of rocks and fossils proved the endosymbiotic theory they showed that organic
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