Question

1.Ultraviolet light radiation can be used as a form of physical control of microbes because it...

1.Ultraviolet light radiation can be used as a form of physical control of microbes because it kills.  

How does it kill?  It causes the formation of ____________ .

2.What explains why the Clostridium difficile was more resistant to the action of UV light radiation than the Enterococcus faecalis?

Science   Biology   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

Uv radiation is the one of the physical control method of microbes. Uv radiation absorbed microbial DNA form thymine dimers. Dimers form between the adjacent thymine and it lead to lethal mutation.protein synthesis blocked and organism died.

2) clostridium difficile cause clostridium difficile infection CDI. It is due . deficiency of vitamin D. The studies state that increased exposure of Uv radiation resudced the Risk of Because of this clostridium difficile show more resistance to o uv radiation than Enterococcus faecalis.

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
QUESTION 1 Why do non-fermenters form white/colorless colonies on MacConkey agar? a. They breakdown mannitol b....
QUESTION 1 Why do non-fermenters form white/colorless colonies on MacConkey agar? a. They breakdown mannitol b. They are gram positive c. They are coliform d. They do not breakdown lactose e. They are fecal coliform 5 points    QUESTION 2 Bacteria that can breakdown (ferment) lactose would show this result. a. Yellow color change on a mannitol salt agar b. Yellow color change on a lactose phenol red broth tube c. Green/brown color change on blood agar d. Red color...
1. A bat uses very high frequencies so: a. He will kill the insects he's hunting...
1. A bat uses very high frequencies so: a. He will kill the insects he's hunting b. We won't hear them c. The sound waves will be small compared to the insects d. The sound waves will be large compared to the insects e. He can tune in to KMET for the weather report 2. Bees see somewhat into the ultraviolet. This is because: a. They use radar b. They can see in the dark c. They evolved with a...
1.   Which is not true about autoclaving? a. Autoclaving requires steam under pressure b. Autoclaving requires...
1.   Which is not true about autoclaving? a. Autoclaving requires steam under pressure b. Autoclaving requires maintaining steam at 121oC and 15 psi for 15 minutes c. It is an effective way to pasteurize milk and other liquids d. Steam must come in contact with the surface of the substance being sterilized 2.     We wished to determine the abundance of bacteria in a sample of milk. To do this ten-fold serial dilutions of a one milliliter milk sample were...
At the ecosystem level of biological organization which factors are considered (mark all that apply)? Biotic...
At the ecosystem level of biological organization which factors are considered (mark all that apply)? Biotic factors Climate factors Abiotic factors Land use Animal populations Species interactions A food web is an example of what level of biological organization? Population Community Ecosystem Biome Coevolution is the reciprocal evolutionary change between interacting ___________, driven by selection. Individuals Populations Species Communities During co-evolution, a new trait is adopted because (mark all that apply)… It will benefit the species as a whole It...
1) Describe an example of each of the following that may be found of your kitchen:...
1) Describe an example of each of the following that may be found of your kitchen: Explain how your choice falls into this category, and if there is a chemical name or symbol for it, provide that as well. Provide a photo of your example with your ID card in it. a) a compound b) a heterogeneous mixture c) an element (symbol) Moving to the Caves… Lechuguilla Caves specifically. Check out this picture of crystals of gypsum left behind in...
Case Challenge #1 (Please do not attempt to solve if you can not answer all) A...
Case Challenge #1 (Please do not attempt to solve if you can not answer all) A New, Dynamic Industry THE ENERGY BAR INDUSTRY In 1986, PowerBar, a firm in Berkeley, California, single-handedly created the energy bar category. Positioned as an athletic energy food, it was distributed at bike shops and events that usually involved running or biking. The target segment was the athlete who needed an efficient, effective energy source. Six years later, seeking to provide an alternative to the...
Question 1) Which of the following are considered valid criticisms of the legalistic model of crime...
Question 1) Which of the following are considered valid criticisms of the legalistic model of crime and criminology? a. Law in action departs substantially from the ideal behavior of the law. b. Focusing only on legally criminalized behavior makes it impossible to consider the impact of gender, race, age and ethnicity. c. Legalistic definitions ignore acts that cause great harm. d. The legalistic model suggests that these are absolute standards for judging right and wrong. e. All of the above....
provide 3-4 paragraphs post (team 2) 1-What are 4 key things you learned about the topic...
provide 3-4 paragraphs post (team 2) 1-What are 4 key things you learned about the topic from reading their paper? 2-How does the topic relate to you and your current or past job? 3-Critique the paper in terms of the organization and quality.1- Employee Stress and how it has an Adverse Effect on a Company This paper explores employee stress and how it has an adverse effect on a company, its employees and the organization. Job stress can have a...
QUESTION 1 ? What is the relationship between family dysfunction and schizophrenia? a. ?Research has substantiated...
QUESTION 1 ? What is the relationship between family dysfunction and schizophrenia? a. ?Research has substantiated a link between family dysfunction and schizophrenia but can't say which causes the other. b. ?Family dysfunction is a major causative factor for schizophrenia. c. ?Research has failed to substantiate a direct causal link between family dysfunction and schizophrenia. d. ?Family dysfunction plays a minor role in developing schizophrenia. 1.00000 points    QUESTION 2 ? Chuck has no life plan; he simply lives from...
What tools could AA leaders have used to increase their awareness of internal and external issues?...
What tools could AA leaders have used to increase their awareness of internal and external issues? ???ALASKA AIRLINES: NAVIGATING CHANGE In the autumn of 2007, Alaska Airlines executives adjourned at the end of a long and stressful day in the midst of a multi-day strategic planning session. Most headed outside to relax, unwind and enjoy a bonfire on the shore of Semiahmoo Spit, outside the meeting venue in Blaine, a seaport town in northwest Washington state. Meanwhile, several members of...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT