Which of the following is a pyrimidine (one type of nitrogenous base) that is commonly found in all DNA molecules, but is not commonly found in all RNA molecules? adenosine cytidine thymine guanine uracil

Q: The chemical nature of endotoxins is that of a protein lipid polysaccharide nucleic acid

A: Endotoxin is a type of pyrogen that is found in Gram-negative bacteria's cell walls, such as E.…

Q: Some phages have a modified replication cycle in which infected host cells continue to grow and…

A: The viruses are considered to be non-living when they are out of the host as they lack cellular…

Q: Name of virus Papilloma viruses RNA or DNA Double stranded (ds) or Single Stranded (ss) Linear or…

A: Papilloma virus  More complex natured virus. Non enveloped. Contain DNA 10% and protein 90%.…

Q: Regarding EV71 infection, the following statement about this pathogen is correct, EXCEPT The best…

A: Enterovirus 71 (EV71) infection is a neurological disease that is caused by enterovirus 71. It is a…

Q: O A contaminated catheter might be an example of an iatrogenic infection. O The size of an inoculum…

A: Iatrogenic infection, These are also known as Doctor induced infection. It is caused when a…

Q: Which of the following human diseases is caused by a virus that requires reverse transcriptase to…

A: The virus is the connecting link between living and non living. Most of the animal viruses are RNA…

Q: HIV   - is a virus with RNA as the genomic material   - is a retrovirus that reverse-transcribes…

A: HIV (human immunodeficiency infection) is a retrovirus that attacks the host immune system. In the…

Q: Although a virus is very virulent now, it will eventually evolve to become much less virulent.…

A: A virus is a submicroscopic organism that contains genetic information either in the form of DNA…

Q: The initial symptoms of HIV infection are followed by clinical latency. Which of the following…

A: HIV stands for human immunodeficiency virus and renders our body immunocompromised or weak to combat…

Q: What are the various methods that might be used to inactivate or eliminate chlorine-resistant…

A: Water treatment plants usually used conventional methods to purify the water such as filtration…

Q: What large family of viruses causes respiratory infections such as the common cold? Herpesvirus…

A: Viruses are very small infectious agents, hard to see with the naked eyes. Some viruses cause very…

Q: What happens to individual Vaccinia viral particles that do not possess the genes necessary to…

A: As we know that viruses are simple, noncellular entities consist of either DNA or RNA enclosed in a…

Q: Bacillus thuringiensis Bt is a* A pathogen of cotton A recently developed alternative to…

A: Biological pesticides are natural pest control agents produced from bacteria, viruses, fungus, and…

Q: Which is mismatched? 1 adhesins - help pathogen attach to host cells 2 neurotoxin - exotoxin that…

A: We are giving ans 1 for rest pl repost

Q: How are viruses and bacteria similar? They both: (select all that apply) are often beneficial to…

A: The question is asking for the similarities between viruses and bacteria based on the four given…

Q: Which of the following is not considered a cause of major epidemic diseases? Prions Bacteria…

A: Prions are infectious agents that consist of abnormal proteins which cause normal proteins to change…

Q: For a virus to transform a cell, which of the following events must occur: Group of answer choices…

A: The objective of the question is to identify the necessary events that must occur for a virus to…

Q: Which of the following is not a possible reason for the reduction in measles deaths in the U.K in…

A: Approach to Solving the Question: To solve this question, I need to consider the common factors that…

Q: What virus current, past or new emerging/reemerging virus should he world be most concerned about?…

A: Viruses are very small and can not be seen with a light microscope, except for the poxvirus, the…

Q: A dramatic increase in the incidence of a specific disease in a given population is referred to as a…

A: PANDEMIC can be understood as a disease which spread  in the whole world or a a huge area of the…

Q: Which of the following is an example of a noncommunicable infectious disease?   infection with a…

A: Introduction :- A disease that cannot be spread directly from one person to another is referred to…

Q: Make a graph plotting virus copy number and clinical symptoms vs time for each type of viral pattern…

A: Asymptomatic (HCV in some cases):Virus Copy Number: May show an initial increase but remains…

Q: Match terms with descriptions based on the text above. You can use an answer more than once or not…

A: The terms prevalence and incidence are used to characterize the magnitude of a condition in a…

Q: If an animal virus does not lyse the host cell and does not produce symptoms, it is best described…

A: A viral infection is the infection caused by virus particles inside the body. Depending on person’s…

Q: Retroviruses are dependent on reverse transcriptase, which does which of the following? Transcribes…

A: Answer- (d) creates a DNA copy of an RNA template In reverse transcription the RNA genome of the…

Q: Select all the following events that occurs in both the lytic and lysogenic cycle of bacteriophage…

A: Introduction  Within host cells, viruses go through the lytic and lysogenic cycles. Viruses are…

Q: Which of the following is NOT a true statement? O Human Schistosoma infestations are transmitted by…

A: Q. Ans:- Schistosoma is a trematode which is a class of Platyhelminthes phylum. Schistosoma needs an…

Q: Which virus has a genome that can be directly translated in the host cytoplasm after entry??…

A: Viruses have diversity in terms of the structure, the method of replication, and host and target…