urpose of the gas generator enveloge in th t generate lhylrogen gas and carbon d
ID: 216703 • Letter: U
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urpose of the gas generator enveloge in th t generate lhylrogen gas and carbon dioxide. The hydrogen gas reacts nactobic consdition e gas pack anactohos 42- Tme or False (urue A; false-B and obtain energy from them. isms that can oxidize inorganic ions such as froms and fros and witrates 43. Some bacteria can grow by respiratory meansy it oiky nentation. oxygen is not available they can also grow using best classified as fermentation. These bacteria arde a) obligate aerobes b) obligate anaerobes c) facultative anaerobes d) none of the above 44- True or False (true-A; false-B) Helicobacter pylori is classified as a microaerophile 45- Pseudomonas Aeruginosa is a a) gram negative rod b) gram positive rod c) gram positive cocci d) gram negative cocci 46- If you transferred.01 ml of a urine sample onto a plate, and counted 370 colonies in your plate after incubation, the number of organisms per milliliter of sample is a) 370 cells/mlb) 3,700 cells/ml c) 37,000 cells'ml d) 37 cells/ml a. B. megaterium will be purple and M. catarrhalis pink b. B. megaterium will be pink and M. catarrhalis purple c. B. megaterium will be red and M. catarrhalis blue d. B. megaterium will be blue and M. catarrhalis red 47- In a Gram-stained slide of a mixture of Bacillus megaterium and Moraxella catarrhalExplanation / Answer
40. Molds have microscopic interwining filaments called Hypae
Fungi that form colonies composed of microscopic, rounded, intertwining filaments called hyphae. Hyphae cover the surface of a substrate to form a branching, filamentous network
41. The purpose of the gas generator envelope in the gaspak anaerobic system is to generate hydrogen gas and carbon dioxide. the hydrogen gas reacts with oxygen to create an anaerobic condition.
True: Hydrogen gas helps to create an anaerobic condition.
42. Chemolithotrophs are organisms that can oxidize inorganic ions such as iron and nitrates and obtain energy from them.
True: Chemolithotrophs use a variety of inorganic compounds as electron donors, with the most common substances being hydrogen gas, sulfur compounds (such as sulfide and sulfur), nitrogen compounds (such as ammonium and nitrite), and ferrous iron.
43. Some bacteria can grow by respiratory means if oxygen is available but if oxygen is not available they acan also grwo using fermentation. These bacteria are best classified as Facultative anaerobes
- which can grow without oxygen but use oxygen if it is present.
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