A virus with an envelope is most likely  A. an animal virus  B. better able to hide from the hosts immune system due to the envelope  C. found only in plants  D. A and B

Q: What is the reason that you have to be immunized witha new influenza vaccine each year?a. the…

A: Immunity can be defined as the ability of an organism to fight against infections caused by a…

Q: 5. Parvovirus B19, which is FLASE A. is single-stranded RNA B. infects humans only C. is highly…

A: parvovirus B19 was the first known human virus in the family Parvoviridae, genus Erythroparvovirus.…

Q: Brefiefly summarize how each type of vaccine triggers an immune response (Remeber that the immune…

A: Even stopping one case of COVID-19 can help to reduce the overall number of cases over time by test.…

Q: The first pandemic since 1968, which struck in 2009, turned out to be H1N1, a milder strain of which…

A: Virus is defined as the smallest microscopic agents that has the capability to replicate only within…

Q: What determines the specificity of viruses to their host cells? a. surface or outer proteins b. No…

A: A virus is a microscopic infectious agent that can infect living organisms such as animals, plants,…

Q: In general, zoonotic viral diseases are ________ in humans.a. mild and asymptomatic b. self-limited…

A: Zoonotic viral diseases are those that are spread from animals to humans by direct contact like…

Q: A bacteriophage can infect ________. a. the lungs b. viruses c. prions d. bacteria

A: The cell which does not have membrane-bound organelles and nucleus is termed as prokaryotic cells.…

Q: Creutzfeldt-Jacob disease is A. caused by a chronic latent virus. B. initiated by an oncogenic…

A: Creutzfeldt-Jakob disease (CJD) is a spongiform encephalopathy of humans, making option D the…

Q: Why is smallpox so dangerous?  A. It has killed more people in human history than any other disease…

A: The question is asking why smallpox is considered a dangerous disease. The options provided are A)…

Q: Stress can cause a latent virus to enter the lytic cycle, resulting in symptoms for the host. A.…

A: Virus is non - cellular particle which is smaller than the bacteria.  They  act as alive when enter…

Q: SARS-COV-2 may pass from person-to-person via aerosols which is a _______ transmission of the virus.…

A: SARS-COV-2 is a disease of respiratory system. The causative agent of this disease is novel corona…

Q: How many times has Ebola caused an outbreak in the last 40 years?  A. Hundreds  B. Dozens  C.…

A: The objective of the question is to determine the number of times Ebola has caused an outbreak in…

Q: Prior to entry, the _________ glycoprotein of the HIV virus recognizes the ______ receptor on the…

A: Step 1 Human immunodeficiency virus or HIV is a rounded enveloped retrovirus with a core having two…

Q: How many times has Ebola caused an outbreak in the last 40 years?   A. Hundreds   B.…

A: The objective of the question is to determine the number of times Ebola has caused an outbreak in…

Q: a cytokint storm is an overproduction of immune cells and their activating compounds- cytokines can…

A: Cytokine storm or hypercytokinemia is the physiological response of an animal's innate immunity…

Q: Penicillin obtained from a fungus is : A. Antibiotic B. Antiseptic C. Antibody D. Antiserum

A: Penicilin obtained from  Penicillium notatum  . It is a type of antibiotic . It kills bacteria…

Q: When viruses flourish and grow in the bloodstream, this is referred to as a. viremia. c. septicemia.…

A: There are large number of pathogens which infect our tissue and they migrate between the various…

Q: 79) Which one of the following is the largest virus in size? a. Pandoravirus b. Mimivirus C.…

A: Viruses are the non cellular organisms which causes dangerous diseases.  Virus cannot multiply…

Q: 74) the first discovered human virus was a. rabies virus b. foot and mouth disease virus c. yellow…

A: The yellow fever virus was the first human virus to be discovered. Carlos Finlay (1833–1915), a…

Q: What does the rabies vaccine contain that rabies immunoglobulindoes not?a. antibodiesb. inactive…

A: A disease is a state of unhealthiness of the physical body, mind and social interaction. A disease…

Q: The mosquito is a

A: Aedes aegypti are the mosquitoes which which carries the dengue fever. Dengue has the symptoms like…

Virus

Viruses are infectious microscopic agents that can only reproduce in live cells of animals, plants, or microbes and are smaller than bacteria. Vertebrates, invertebrates, plants, protists, and fungi are among their many hosts. Viruses are unable to multiply on their own due to the lack of necessary cellular machinery, but they can guide the cell machinery of a host to make additional viruses by infection. The virus enters and attaches to a particular host cell, injects its genetic material, and reproduces by using the host’s genetic material. Viruses cause infection by taking entry into the host cell and using the host cell’s enzymes and raw materials to multiply.