Microbes that swim with flagella use energy from ATP to make their flagella rotate. This process is an example of a conversion of ____________ energy into ____________ energy. Kinetic into heat Chemical into kinetic Kinetic into potential Chemical into heat
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- Microbes that swim with flagella use energy from ATP to make their flagella rotate. This process is an example of a conversion of ____ energy into _____ energyA prokaryote converts food energy into the chemical energy of ATP on/in its: chromosome. flagella. ribosomes. cell wall. plasma membrane.The genus Ferroplasma consists of a few species of acid-loving archaea. One species, F. acidarmanus, was discovered to be the main component of slime streamers (a type of biofilm) deep inside an abandoned California copper mine (Figure 4.11A). F. acidarmanus cells use an ancient energy-harvesting pathway that combines oxygen with ironsulfur compounds in minerals such as pyrite. This reaction dissolves the minerals, so groundwater that seeps into the mine ends up with extremely high concentrations of metal ions such as copper, zinc, cadmium, and arsenic. The reaction also produces sulfuric acid, which lowers the pH of the water around the cells to zero. Despite living in an environment with a composition similar to hot battery acid, F. acidarmanus cells maintain their internal pH at a cozy 5.0. Thus, researchers investigating Ferroplasma metabolic enzymes were surprised to discover that most of the cells enzymes function best at very low pH (Figure 4.11B). A. Deep inside one of the most toxic sites in the United States: Iron Mountain Mine, in California. The water in this stream, which is about 1 meter (3 feet) wide in this photo, is hot (around 40C, or 104F), heavily laden with arsenic and other toxic metals, and has a pH of zero. Slime streamers growing in it are a biofilm dominated by a species of archaea, Ferroplasma acidarmanus. B. pH profiles of four enzymes isolated from F. acidarmus. Researchers had expected these enzymes to function best at the cells cytoplasmic pH (5.0). What does the dashed line signify?
- Three organisms were tested biochemically for their production of energy, and various compounds were measured in each organism. The amounts found are shown in relative units. Organisms ATP NADH NADPH FADH2 Ethanol 1 20 100 0 0 50 2 350 400 0 100 1 3 500 410 200 100 1 Based on this information, which organism is a bacterium, a plant, or an animal?Hydrolytic extracellular enzymes which decompose recalcitrant SOM are typically secreted by which of the following microorganism? -algae -Cyanobacteria -archea -fungi -MyxobacteriaAll of these statements describe the Archaeal cell wall EXCEPT? O A. The backbone consists of NAG-NAT linkages • B. The peptide side chains don't contain D form amino acids • C. All of these actually accurately describe the cell wall D. The linkages in the backbone chain are beta-1,3 linkages O E. The cell wall functions as a semipermeable
- In a dark cave, you discover a microscopic creature growing by stripping electrons from Cu+ (cuprous copper) and fixing atmospheric carbon. Your new pet, "Little Blue", is a: a) Chemoautotroph b) Chemoheterotroph c) Photoautotroph d) PhotoheterotrophThe thermoacidophile Sulfolobus acidocaldarius is an archaean organism that can tolerate environments that are high in temperature and low in pH. It lacks peptidoglycan, but still possesses a cell wall. Which of the following statements is likely to be an accurate description of this species? A. It is a bacterium. B. The optimal pH of its enzymes will lie above pH 7. C. It could inhabit hydrothermal springs. D. It could inhabit alkaline hot springs.Most ecosystems on Earth rely on sunlight as the primary energy source for the synthesis of organic compounds that living organisms need. Sunlight does not penetrate deep enough in the ocean to provide energy for organisms living near hydrothermal vents. How can these densely populated communities survive without energy from the sun? A. chemoheterotrophic bacteria convert organic compounds into carbon dioxide which is used by other organisms as an energy source B. chemoautotrophic bacteria harvest chemical energy from hydrogen sulfide and then provide the basis of food for the vent communities C. chemoheterotrophic bacteria harvest chemical energy from hydrogen sulfide and then provide the basis of food for the vent communities D. chemoautotrophic bacteria fix nitrogen which then is used as a source of energy for other organisms
- Which of the following characteristics do not occur in prokaryotic cells? A Cellular organization B Chloroplasts for photosynthesis C Aerobic respiration D Anaerobic respiration E. A double layer nuclear membraneWhich of the following is true about Purple Sulfur Bacteria? Choose all possible answers. found within the order Chromatiales anoxygenic phototrophs use CO2 as an electron donor for photosynthesis Examples include Cyanobacteria, Synechococcus and Prochlorococcus All of the statements are true about Purple sulfur bacteria.Which of the following statements is correct for bothblue-green algae and bacteria ?(a) Both show anaerobic respiration.(b) Both have chlorophyll pigment.(c) Both are devoid of true nucleus.(d) None of the above Please try to break the solutions into as many steps as practically possible and the steps should come one by one and they should be short and crisp and plagiarism-free.