MICROBIOLOGY EXTRA QS LEC 2 0.0 / 5 ? BiologyMICROBIOLOGY EXTRA QS LEC 2UniversityOther Created by: LailaFrancisCreated on: 11-03-23 21:16 Beneficial Uses of Microorganisms in agriculture. SELECT WRONG ANSWER Probiotic relationship 1 of 20 what bacteria Take part in the carbon, nitrogen and sulphur cycles Saprophytic 2 of 20 stored anaerobically is fermented by lactobacillus sp. Hay 3 of 20 silage making metabolises what? plant sugars 4 of 20 dairy products are metabolised by bacteria to what lactic acid 5 of 20 lactic acid starter culture added to cream. select CORRECT answer Lactococcus cremoris or L. lactis 6 of 20 select incorrect answer for cheese bacteria Lactococcus cremoris 7 of 20 Yoghurt is Low fat milk, pasteurised & inoculated with Lactobacillus bulgaricus, Streptococcus bulgaricus 8 of 20 Monosodium glutamate is produced from L- glutamic acid from WHAT grown aerobically on molasses Corynebacteria glutamicum 9 of 20 Vinegar: ethyl alcohol to acetic acid by WHAT. select WRONG answer sorbose 10 of 20 Acetobacter oxidising sorbitol produces WHAT used in the manufacture of ascorbic acid sorbose 11 of 20 Citric acid: fermentation using WHAT Aspergillus niger 12 of 20 Antibiotics are produced by large scale fermentation processes: From filamentous fungi and bacteria of the WHAT group Actinomycete 13 of 20 Biological washing powders contain enzymes called subtilisins produced by: WHAT Bacillus licheniformis, Subtilisin carlsberg 14 of 20 Production of cortisone and hydrocortisone WHAT carries out key stereospecific hydroxylation of a cortisone precursor Fungus Rhizopus nigricans 15 of 20 Vitamins and amino acids have High yields of vitamin B12 e.g. WHAT Propiobacterium 16 of 20 Acetone and butanol can be produced in fermentation processes: With WHAT Clostridium acetobutylicum 17 of 20 WHAT are able to oxidise copper ores to soluble copper sulphate E.G. Thiobacillus ferrooxidans Acidophilic bacteria 18 of 20 ENVIRONMENTAL FACT0RS: Positive use in WHAT of oil spillages bioremediation 19 of 20 Thermostable DNA polymerase of WHAT known as Taq polymerase, enabled more effective PCR Thermus aquaticus 20 of 20
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