Microbiology 1. Compare and contrast photophosphorylation and oxidative phosphorylation. Both photophosphorylation and oxidative phosphorylation result in production of ATP. Photophosphorylation is a process by which ATP is produced using energy of the sunlight…
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There are 2 types of photophosphorylation and they are cyclic and noncyclic. In cyclic photophosphorylation, the electron begins in a pigment complex called photosystem I, passes from the primary acceptor to plastoquinone, then to cytochrome b6f (a similar complex to that found in mitochondria), and then to plastocyanin before returning to chlorophyll. In the noncyclic type, first, a water molecule is subjected to photolysis and broken down into 2H+ + 1/2 O2 + 2e- The two electrons released thus from the water molecule are kept in photosystem II. The 2H+ and 1/2O2 are left out for further use. Thereafter, a photon is absorbed by chlorophyll pigments on surrounding the reaction core center of the photosystem. The light excites the electrons of each pigment and this causes a chain reaction. The reaction transfers energy to the core of photosystem II and causes excitation of the two electrons that are transferred to the primary electron acceptor, pheophytin.
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(“Microbiology Essay Example | Topics and Well Written Essays - 500 words - 1”, n.d.)
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(Microbiology Essay Example | Topics and Well Written Essays - 500 Words - 1)
“Microbiology Essay Example | Topics and Well Written Essays - 500 Words - 1”, n.d. https://studentshare.org/other/1417827-microbiology.
They are composed of either ribonucleic acid (RNA), which is single stranded or deoxyribonucleic acid (DNA) that is double stranded. Either nucleic acid is enclosed in a proteinaceous coat referred to as a capsid. The core structural units of the capsid are known as capsomeres.
Bassi and Pasteur both worked on silkworm diseases. Bassi in the year 1835, established that a microscopic organism, a fungus, caused disease in the silk worm. Around 30 years later, in the year 1865, Pasteur established that another microbe, a protozoan, cause infection in silkworms.
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In the present study, the unknown microorganism present in the Probiotics, maozrella cheese and camembert cheese were analyzed using the biochemical tests such as catalase, oxidase, latex agglutination, Gram’s staining and string test. From the biochemical results it was identified that the unknown microorganisms present in the given samples of probiotics, mozeralla cheese and camembert cheese were Lactobacillus sp, Streptococcus sp and Penicillium sp.
 Bioremediation technologies can be generally classified as in situ or ex situ. In situ bioremediation involves treating the contaminated material at the site while ex situ involves the removal of the contaminated material to be treated
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Although urine in the bladder is free of pathogens, they may enter through urethra and cause infection.
The presence of pathogens in urethra may taint the culture during sample collection process (Levin and Feldman, 2006). Therefore, during this
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