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This question is for the Effects of chemical agents on bacteriain Microbiology.

Question 1A) Why are Bacillus and Clostridim species moreresistant to disinfectants than other microbes?

Question 1B) Give two ways that drug resistant may beavoided?

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Jean Keeling
Jean KeelingLv2
28 Sep 2019

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This question is in regards to the effect of chemical agents onbacteria in Microbiology.

Question 1A) Of the following antimicrobics (penicillion,vancomycin, tetracycline, sulfa drug, and chloramphenicol) whatwould be best to treat C. Albicans - a yeast?

Question 1B) Why might there be a different effect of anantibiotic against a gram positive vs gram -?

What is missing from bacteriorhodopsin-based phototrophy that is common to most other types of phototrophy? A) a membrane containing the photoreceptor molecules B) linking light absorption to formation of an energy carrying molecule like ATP and/or NADPH C) a photolysis reaction D) absorption of photons of light E) two of the above are correct

What is missing from bacteriorhodopsin-based phototrophy that is common to most other types of
phototrophy?
A) a membrane containing the photoreceptor molecules
B) some type of electron donating molecule
C) a photolysis reaction
D) absorption of photons of light
E) two of the above are correct

Which of the following is not accurate regarding control of microbial growth?

A) A phenol coefficient of 10 for a product means that it is a more effective disinfectant than phenol.

B) Gases such as ethylene oxide are effective disinfectant agents for plastics due to its ability to penetrate these materials.

C) It is very possible that bacteria can become as resistant to disinfectants, as many are to antibiotics.

D) In the disk diffusion method, disinfectants that exhibit greater effectiveness will yield larger zones of inhibition.

E) Antiseptics are generally not as concentrated or as strong as disinfectant solutions

Discuss two examples of how bacteria are used to remove pollutants through bioremediation. Provide the genus and species of the two microbes selected, and briefly describe their role in bioremediation.

Discuss two examples of how bacteria are used in food production, drug production, and chemical production in industry. Provide the genus and species of two microbes, and briefly describe their role in industry.

In science today, many groups focus on a wide range of perspectives using various biological methods. Bioremediation can come in many forms. There are many approaches that can be taken to address diverse perspectives while also providing benefits to the broader community. In a summary paragraph, discuss at least two approaches in which bioremediation can be used to meet a global challenge. Discuss the benefits of each approach. For example, there are different approaches to reducing water pollution or improving the health of the environment. What are the benefits of each approach?

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