A Ortho myxovirus b Retrovirus c Parvovirus d Reovirus 5 All of the following statements regarding HIV infection in human is true EXCEPT. Viruses can result in acute death of the host.
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Which of the following statements regarding influenza virus are TRUE.
. They contain a capsid. B The viral envelope is not required for infectivity since the envelope does not enter the nucleus. D All of the above.
It protects the genetic material in their life cycle when traveling between host cells. B Viruses contain a protein coat. A Some of these viruses cause multinucleated giant cell formation.
Match the following terms with the definitions below. The envelope surrounds the nucleus of the virus. The envelope surrounds the nucleus of the virus Only bacteriophage have an envelope.
The first virus isolated Tobacco mosaic virus has a complexhelicalpolyhedral capsid morphology which facilitated its isolation. For other viruses b is correct. Protect the viral genetic material and aid in the transfer of.
They are a rogue form of protein PrP. C Some of these viruses contain host cell lipids. They lack an envelope D.
Answers A and B are true e. Not all viruses have envelopes. They may help viruses avoid the host immune system.
They are very fragile outside the body and cannot be transmitted by. A Person once infected will remain infected for life if untreated b Monocytes and macrophages are the major reservoirs of the virus. They can be inactivated by boiling at 100 C.
Their genetic material consists of single-stranded DNA E. 4 HIV belongs to which of the following genus member of the virus. In many ways the regulation of the genes of a particular group of viruses will be similar to.
Only the capsids enter the nucleus. Which of the following represents the ways in which enveloped viruses acquire their envelopes. B Some new viral antigens appear on the surface of the host cell.
Budding through the plasma membrane. All of the above are true. The envelope is made of capsomeres.
C Viruses use the anabolic machinery of the cell D Viruses use their own. Each of the following statements regarding these viruses is correct EXCEPT. Biology questions and answers.
All viruses have an envelope. Its RNA genome is converted to DNA once it enters the host cell nucleus. A Penetration B Adsorption C Uncoating D Release E None of the above 66 Which of the following is not true about viruses.
Which of the following is true of prions. Viral proteins are acquired. D Some of these viruses do not have an envelope.
The envelopes are typically derived from portions of the host cell membranes but include some viral glycoproteins. The viral genome is inserted into the membrane All of the following statements are true regarding the attachment or adsorption of the virion to the host cell EXCEPT that. C Only the genetic material of the virus is involved in the cells infectivity and is injected like the genome of a phage.
The segments of its genome can re-assort mix with segments from the influenza viruses of birds avian andor pigs swine. Viral enzymes are responsible for production of the envelope. The function of the viral protein coat is to.
The host range of a virus is determined by B whether its nucleic acid is DNA or RNA A the enzymes carried by the virus D the proteins on its surface and that of the host C the proteins in the hosts cytoplasm 3. A Viral capsids are needed for the cell to become infected. It is a segmented RNA virus b.
65 Viral envelope is acquired during which of the following steps. C It is a unit of nucleic acid in viruses. Which of the following statements regarding influenza viruses is correct.
Assembly of enveloped viruses requires membranematrixreceptor to bring together the nucleocapsid and the envelope. Viral envelopes are acquired at host cell membranessome at the plasma membrane others at internal cell membranes such as the nuclear membrane endoplasmic reticulum and Golgi complexduring the maturation of the virus by the process known as budding The lipids of the viral envelope are derived directly from the cell but the proteins in. They are non-segmented viruses C.
The envelope of a virus comes from the host cell. Hemagglutinin and neuraminidase glycoproteins can be recombined to form new strains B. The envelope is made of capsomeres The envelope of a virus comes from the host cell O All viruses have an envelope.
For naked virions the surface capsid proteins are. A Viruses contain DNA or RNA but never both. B It is a viral protein for replication.
Only bacteriophage have an envelope. Question 10 Which of the following statements regarding a viral envelope is TRUE. A It is an individual unit of the capsid.
Two major types of symmetry found in viruses include. Budding through internal cellular membranes. For some viruses a is correct.
Which of the following statements are true about the capsomeres. The capacity of a cell tissue or species to support virus replication - qualitatative measurement - number of receptor molecules and ability of host cell to support virus replciation2. A viral envelope is the outermost layer of many types of viruses.
Viral envelopes are composed of.
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