Hela cells turned out into a "hardy contaminant. This means that the cell strain contaminated other cell cultures with cancerous cells was contaminated with HIV was contaminated with poliomyelitis virus contaminated other cell cultures by growing better and faster

Q: Do you think that it is correct that the blood has no microbiota? YOU CAN MAKE A CASE EITHER WAY.…

A: Microbiota can refer to all the microorganisms found in an environment, including bacteria, viruses,…

Q: Which antibiotic is part of our innate immune system? Group of answer choices trimethoprim…

A: Lysozyme are the Type of enzymes which are found in tears, milk and saliva. These lysozyme kill…

Q: Escherichia coli displays which antigens?a. capsular b. somatic c. flagellar d. all of these

A: E.coli is a type of bacteria that is mostly found in the human intestine and gut of some animals. It…

Q: Why is staining a specimen helpful for microbiologists? This is only done for laboratory decoration,…

A: Why is staining a specimen helpful for microbiologist?

Q: Could colonization of a wound by a non-invasive bacterium cause disease? Explain your answer.

A: Colonization is not harmful as microbes or germs are present in the body, but does not cause any…

Q: Feces, gastric secretions, and urine are not considered infectious unless  there is contact with a…

A: C. They are visibly contaminated with blood

Q: Using hand soaps or household cleaning products labelled as “antibacterial” is healthier for you and…

A: All the evidences recommends that the utilization of antibacterial & antimicrobial cleaning…

Q: why it could be damaging to expose your own normal flora/microbiome to antibiotics.

A: The microbiome consists of all the microorganisms that are normally present in the body.

Q: (Select all that are correct) The external force applied on cells could potentially induce the cell…

A: External forces on cells can range from physical forces, such as those generated by shear stress…

Q: Explain why only a virulent virus (like T4 phage), rather than a temperate virus, can be used in our…

A: If a virulent phage infects its host, it will produce more progeny as soon as phage DNA is injected…

Q: Why should we care about them – are infections on the rise due to something that has changed, is the…

A: Herpes Simplex virus leads to genital and oral herpes. Patients can have sores filled with fluid in…

Q: A urine sample with more than 100,000 organisms is considered indicative of infection. A urine…

A: Urine microscopy is a diagnostic tool used in diagnosis of various diseases such as bacterial…

Q: 6. Variations of the plaque assay can be used to determine the number of animal viruses from a…

A: There are few points about Plaque assay : When treated with the lawn of susceptible cells , a…

Q: Bacterial capsules work by _____. View Available Hint(s) for Part E       protecting the bacterium…

A: So correct option will be protecting the bacterium from engulfment Capsules made of substances…

Q: A phage that reproduces slowly, produces relatively few phage particles, and only undergoes the…

A:

Q: The application of 70% ethanol to a patient's skin is done to kill all microbes. The proper term…

A: Question 1: Antimicrobial agent are such chemicals or drugs that have the capacity of either killing…

Q: _refers to copies of plasmid inside host cells.

A: Cloning is the process or the technique, scientists use for creating a genetically identical clone…

Q: You are tasked to maintain a pure culture of a particullar cell line. During your routine…

A: Any accidental or unintended exposure of infectious materials to the workplace is considered as the…

Q: Katelyn had been working for Dr. Johnson for a month, and while she had become quite good at…

A: Methicillin-resistant Staphylococcus aureus (MRSA) is a bacterium that causes infections in…

Q: Which of the following dishes can put you at risk for salmonella? Caesar salad cheese soufflé ham…

A: Salmonella is a bacteria and is often associated with food poisoning called salmonellosis. Symptoms…

Q: The type VI secretion system evolved from: please explain and choice the right answer  porins…

A: Introduction Bacteria belongs to the kingdom Monera. Bacteria are unicellular and prokaryotic…

Q: HIV testing uses a(n) ________________ELISA. direct indirect

A: Antibody tests can take 23 to 90 days to identify HIV disease after exposure. Most quick tests and…

Q: 14.23) All forms of life can have their cells invaded by viruses. When viruses take over plant or…

A: Viruses are small infectious agents that can only replicate inside living host cells. They have a…

Q: A 73 year old woman is admitted to hospital for treatment of an abscess from staph. It was necessary…

A: Abscess is the confined pocket of pus that has built within the organs or tissues of the body.…

Q: What is the most susceptible to the most resistant ones arrangement?. I.Fungi II. Enveloped viruses…

A: Microbial resistance or susceptibility is is dependent on their structure. The microbe which can…

Q: The coating which some bacteria secrete to hide their antigen is referred to by 3 terms, give one as…

A: Some pathogens can hide their unique antigens from opsonizing antibodies or complement, They employ…

Q: In the description of the preparation of an OR for surgery, bleach rather that alcohol was used to…

A: The disinfectants are the products that are used to kill or eliminate or inactivate microorganisms…

Q: bactericidal antibiotics arrest the replication of bacteria

A: Antibiotics are drug which inhibits the growth of or destroys the microorganisms. Antibiotic are…

Q: Escherichia coli displays which antigens? a. capsular c. fl agellar b. somatic d. all of these

A: Bacteria is a type of prokaryote that can be found on the Earth's surface. While some are dangerous…

Q: How does soap kill coronavirus?  B. Why virus can not be washed off with water along?  C. Why soap…

A: Coronavirus can be prevented by practicing good hand hygiene. The best technique to eliminate…

Q: kDa 188- 62- 49- 38- -heavy chain 28- -light chain 18- 14- 6- 3- 1 2

A: While casting a gel, well are created on the gel to load the samples. When protein samples run in a…

Q: Connexin is found in O Zonula occludens O Zonula adherens O Gap junction O Desmosome

A: Connexins, also known as gap junction proteins, are transmembrane proteins with similar structures…

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: Now that you know more about microorganisms, discuss how a microbe can affect your daily life or the…

A: Bacteria, actinomycetes, fungi, algae, and protozoa are all microorganisms. They can be found in…

Q: When exposed to a microbe, which antibody will be the first to respond? IgE IgM IgA IgG

A: Introduction:- Antibody are also known as immunoglobulins. Antibodies functions in recognition of…

Q: uestion 18 hich of the following

A: Infectious diseases, also known as infectious diseases or transmissible diseases, are illnesses…

Q: The lytic cycle ends in the lysis of the host cell to release the new virus copies. O True False

A: The lytic cycle ends in the lysis of the host cell to release the new virus…

Q: Bacteria In the petri dish in Figure 1, the bacteria Esherichia coli (E. coli) was grown and treated…

A: Bacteria are unicellular prokaryotic microorganisms (nucleus is not enclosed in a nuclear membrane)…

Q: Which best represents a chemical mediator that inhibits pathogen invasion? keratin antibacterial…

A: There are various chemical barriers against infection causing agents such as bacteria. Enzymes in…

Q: 5) Draw a flow diagram of the electron flow from photosystem Il to Photosystem I. Flow diagram must…

A: Photosystem II is the first link in the chain of photosynthesis. It captures photons and uses the…

Q: Which of the following can be pathogens? (choose all that apply) Viruses Protists Parasitic worms…

A: A pathogen is an organism that origin illness in its host, with virulence referring to the intensity…

Q: A farmer working on a piece of machinery gets his shirtsleeve caught in a moving piece of the…

A: Injuries while working with heavy mechanical instruments in the field are common even after taking…

Q: Adenovirus will become a part of the recipient cells   Question 6 options:   True   False

A: Answer. Viruses are simple, noncellular entities consisting of one or more molecules of either DNA…

Q: The culture primarily contains nutrients such as sugars and a gel (agar). Why don’t viruses grow in…

A: Culture media are an integral part of the microbiology lab. There are various kinds of media used in…

Q: How does having a capsule increase the virulence of a bacteria cell?   A capsule gives bacteria…

A: Certain bacteria possess an additional outer covering beyond their cell wall. This outer covering is…

Q: Different strains of Streptococcus pyogenes have different virulence factors, giving these microbes…

A: Streptococcus pyogenes is the leading cause of uncomplicated bacterial pharyngitis and tonsillitis…

Q: f answer choices capsule plays role in transport process capsule can retain water ; cells protected…

A: Bacteria can be found in a variety of settings. They are tiny and degrade organic substances when…

Q: You have a petri dish containing 2 x 106 cells and you add 2 x 105 pfu of virus to the dish. What is…

A: The multiplicity of infection(MOI) is the ratio of infectious pathogens (viruses or virions) to…