In 2001, endospores of Bacillus anthracis, the causative agent of anthrax, were sent to government officials and news agencies via the mail. In response, the US postal service began to irradiate mail with UV light. Was this an effective strategy? Why or why not? Explain

Q: As a doctor, you come across patients whose bacterial illnesses are no longer responding to…

A: Tetracycline is an antibiotics that is used to treat the infections caused by the bacteria that…

Q: Write a paragraph comparing the endospores of B. anthracis with those of B. cereus and B. subtilis

A: Bacillus species of bacteria have rod-shaped structure, they usually forms endospore and are either…

Q: Which of the following is the most resistant to destruction bychemicals and heat?a) Bacterial…

A: The given microorganisms are some of the known agents that can cause disease and can contaminate a…

Q: Which of the following is most susceptible to antimicrobial agents?   mycobacteria bacterial…

A: INTRODUCTION Vegetative bacteria A normally growing bacterial cell that forms endospore is called…

Q: .The.. . technique of Ziehl- Neelsen known as Kinyoun Method .A cold .B fast .c hot .D .The carbol…

A: Bacteria are ubiquitous , microscopic , prokaryotic organisms which neither possess nucleus nor…

Q: can we use the appearance of colonies like color that grow in TGEA Medium (Tryptone Glucose Yeast…

A: A culture media is also called growth media that is used to support the growth and multiplication of…

Q: In the emergency room, an RN has cleaned an open wound with normal saline and hydrogen peroxide. You…

A: Hydrogen peroxide (H2O2) is one of a kind among general toxins, since it is steady in abiotic…

Q: Why are disease-causing flagella bacteria considered "dangerous"  What are 5 examples of desease…

A: FLAGELLA:- The bacterial flagella have three main parts:- 1) A basal body 2) A hook 3) A main…

Q: Microbiology Why are mycobacterium (mycobacterium sp) harder to control than other bacteria?

A: Mycobacterium tuberculosis causes tuberculosis. Tuberculosis (TB) is an acute or chronic bacterial…

Q: mycobacterium tuberculosis Can it form endospores? If yes, explain when they form endospores

A: Endospore It refers to the dormant, tough and the non-reproductive structure created by some…

Q: E. coli cells have peritrichous flagella. What does this mean?

A: E.coli. is a type of bacterium. Bacteria are unicellular and prokaryotic organisms that live in a…

Q: Historians report that 2500 years ago the Chinese learned to treat superficial infections such as…

A: Answer--- Antibiotics play significant role in the treatment of skin infections caused by fungi.

Q: When we grow bacteria on TSA plates for 5 days, we see mostly vegetative cells. Why?

A: TSA is a nutrient media used for culturing bacteria. The media provides the amino acids and other…

Q: A patient is experiencing high fever and body aches from an infected skin wound. You suspect a…

A: As give in the question that Bacteria is gram positive :-

Q: Suppose you performed a Gram stain from a pure culture of bacteria and observed a field of red and…

A: Gram staining is generally used in differentiating between two broad categories of bacteria called…

Q: What do you call a finger-like projection that arises from epithelial layer in some organs that…

A: Answer

Q: Compare and contrast onion cell, Staphylococcus aureus, and cheek cell.

A: Both prokaryotic cells and eukaryotic cells have cytoplasm, ribosome, and a plasma membrane.…

Q: Plague has been successfully controlled by the use of streptomycin and tetracycline Why was this…

A: Plague is an infectious disease which is caused by Yersinia pestis. It is transmitted from rodents…

Q: UV light is able to damage bacterial cells by:a. preventing mitosis b. damaging DNA c. dissolving…

A: UV stands for Ultraviolet rays. These rays kill bacterial cells.

Q: In dental offices, the instruments are cleaned in a supersonic bath, then sterilized using UV…

A: UV light - non-ionizing radiation. The penetration power is less. It is a physical mutagen and…

Q: How is Bacillus anthracis different from Spirillum volutans?

A: Bacteria are minute organism that are one celled , prokaryotic , outer cell wall formed of…

Q: Antibiotic resistant bacteria are commonly found in hospitals. Why do you think that is?

A: Antibiotic resistance occurs when bacteria develop the capacity to overcome the antibiotics created…

Q: Technology leads to Discovery & Microscopy. Map the process of Dr. Warren's discovery of bacteria…

A: Magnification refers to the process by which an object or microbe can be seen by enlarging its…

Q: Once these pathogens enter the host the difference in environmental conditions signals for them to…

A: Disease causing organisms are known as pathogens. Different types of pathogens have different modes…

Q: New villas in Hidd area stood on unstable reclaimed sand. Those villas are susceptible to sink in…

A: Ecology is the study of interaction of organisms with one another and with the environment. Ecology…

Q: describe the bacteria cell wall, hence differentiate between the gram positive and the gram negative…

A: With light microscopy various staining techniques can be used such as gram staining, endospore…

Q: Staining microorganisms provides a wealth of information about them. A. As a laboratory technician,…

A: Gram staining technique is one of the most common techniques used to distinguish and classify…

Q: Different bacteria have evolved many different light-absorbing pigments. Why is this advantageous to…

A: We know that light is the source of all form energy on earth. Different organisms has developed…

Q: In the Griffith experiment, why didn't the bacteria from rough colonies harm the mice? Because they…

A: Bacteria like Streptococcus do not have membrane-bounded organelles, can reproduce individually,…

Q: A drug that inhibits mitosis would be more effective against  wall-less bacteria. gram-positive…

A: Drug are the substances which causes physiological impact on the body. The drugs can be administered…

Q: Oxygen in the atmosphere is essential for human life. How can some bacteria grow in the absence of…

A: Oxygen is essential for respiration, the energy-producing process that drives most living things'…

Q: Mold is more likely to appear in your shower than, say, your sock drawer. Why might this be the…

A: Mold is a type of fungus which commonly reproduces by the production of spores.

Q: Consumers are advised to avoid stuffing a turkey the night before cooking (where the stuffing would…

A: Temperature abuse is concept in the food safety  in which the food is not exposed to the proper…

Q: Identify the type of flagella from the picture

A: Introduction :- Flagella are the locomotory structures which are present of the cell surface and…

Q: Biofilms are often formed on artificial surfaces in the human body. During medical procedures, when…

A: In the living world, we see a large number of microorganisms, animals and plants. These organisms…

Q: How could a mold like Penicillium be protective against certain contaminants but not others?

A: Penicillium is an important genus of phylum ascomycota, found in the natural environment as well as…

Q: n some hospitals, short wavelength irradiation of patients room is a way to kill pathogens and…

A: Radiations are hazardous and can cause tumors. However, they are useful to kill pathogens. Many…

Q: Suppose when you are performing a Gram stain procedure, you hav reversed the order of crystal violet…

A: A) E.coli it is a gram negative bacteria.   Strain red or pink due to retaining the color staining…

Q: We know that a short duration of UV radiation could kill a large number of the cells. We also know…

A: Yes, bacteria can survive in sunlight. There are two major reasons how bacteria are able to survive…

Q: Should cheesemakers be worried about endospore growth of Gram-positive cells? Why or why not?

A: Bacteria are organisms that are found almost everywhere on earth and are free-living cells that are…

Q: Cutting and peeling of onion bring tears to the eyes because of the presence of..

A: Cutting and peeling of onion bring tears in eyes because of the release of lachrymator compounds…

Q: Which of the specimens is a prokaryote cell?     A. staphylococcus and E.coli   B. rhinovirus and…

A: Cell is the smallest unit and the building block of life. The cell is composed of cytoplasm enclosed…

Q: Which of the following is the most important structure related to microbial attachment?…

A: Bacteria are single-celled prokaryotes ubiquitous in nature. As such, they can be found in different…

Q: Should one be concerned to find bacteria on the skin? How about molds? Explain.

A: Human beings have an enormous number of microorganisms that are present in the external as well as…

Q: There are many antibiotics that target the bacterial cell wall, but there are few antibiotics that…

A: The antibiotics are medicines that help stop infections caused by bacteria.They do this by killing…

Q: Which one of the following may produce "wrinkled" colonies on medium? Select one: O A Chlamydia O B.…

A: As per our guidelines, we are supposed to answer only one question. Kindly repost other questions as…