What is the difference between anaerobic and aerobic respiration - suggest
Aerobic respiration refers to complete breakdown of metabolic fuels in presence of oxygen. Anaerobic respiration is the process of partial breakdown of fuel glucose in absence of oxygen. It includes glycolysis, citric acid cycle and oxidative phosphorylation. The first two processes take place in the cytoplasm while last one occurs in mitochondria. Glycolysis is followed by ethanol fermentation occurs in yeast or lactic acid fermentation in muscles and microbes like lactic acid bacteria.What is the difference between anaerobic and aerobic respiration - think
These questions will be helpful to revise the all topics and concepts. CBSE Class 7 extra questions are the most simple and conceptual questions that are prepared by subject experts for the students to study well for the final exams. By solving these extra questions, students can be very efficient in their exam preparations. Answer: The process of breakdown of glucose with the use of oxygen is called aerobic respiration. Answer: A large, muscular sheet called diaphragm forms the floor of the chest cavity. Answer: The end products of anaerobic respiration are alcohol, carbon dioxide and energy. What is produced during anaerobic respiration in muscles that causes cramps? what is the difference between anaerobic and aerobic respiration
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Microbial metabolism is the means by which a microbe obtains the energy and nutrients e. Microbes use many different types of metabolic strategies and species can often be differentiated from each other based on metabolic characteristics. The specific metabolic properties of a microbe are the major factors in determining that microbe's ecological nicheand often allow for that microbe to be useful in industrial processes or responsible for biogeochemical cycles. How the organism obtains carbon for synthesizing cell mass: [1]. How the organism obtains reducing equivalents hydrogen atoms or electrons used either in energy conservation or in biosynthetic reactions:. Some microbes are heterotrophic more precisely chemoorganoheterotrophicusing organic compounds as both carbon and energy sources. Heterotrophic microbes live off of nutrients that they scavenge from living hosts as commensals or parasites or find in dead organic matter of all kind saprophages.
Microbial metabolism is the main contribution for the bodily decay of all organisms after death. Many eukaryotic microorganisms are heterotrophic by predation or parasitismproperties also found in some bacteria such as Bdellovibrio an intracellular parasite of other bacteria, causing death of its victims and Myxobacteria such as Myxococcus predators of other bacteria which are killed and lysed by cooperating swarms of many single cells of Myxobacteria. Most pathogenic bacteria can be viewed as heterotrophic parasites of humans or the other eukaryotic species they affect.
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Heterotrophic microbes are extremely abundant in nature and are responsible for the breakdown of large organic polymers such as cellulosechitin or lignin which are generally indigestible to larger animals. Generally, the oxidative breakdown of large polymers to carbon dioxide mineralization requires several different organisms, with one breaking down the polymer into its constituent monomers, one able to use the monomers and excreting simpler waste compounds as by-products, and one able to use the excreted wastes.
There are many variations on this theme, as different organisms are able to degrade different polymers and secrete different waste products. Some organisms are even able to degrade more recalcitrant compounds such as petroleum compounds or pesticides, making them useful in bioremediation.
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Biochemically, prokaryotic heterotrophic metabolism is much more versatile than that of eukaryotic organisms, although many prokaryotes share the most basic metabolic models with eukaryotes, e. These basic pathways are well conserved because they are also involved in biosynthesis of many conserved ehat blocks needed for cell growth sometimes in reverse direction.
However, many bacteria and archaea utilize alternative metabolic pathways other than glycolysis and the citric acid cycle. A well-studied example is sugar metabolism via the keto-deoxy-phosphogluconate pathway also called ED pathway in Pseudomonas. Moreover, there is a third alternative sugar-catabolic pathway used by some bacteria, the pentose phosphate pathway. The metabolic diversity and ability of prokaryotes to use a large variety of organic compounds arises from the much deeper evolutionary history and diversity of prokaryotes, as compared to eukaryotes.]
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