FREE AND STUDY GAMES ABOUT MICRO, CHAP 5 VIRUS

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FREE AND STUDY GAMES ABOUT MICRO, CHAP 5 VIRUS

EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -42 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: a spongiform encephalopathy of humans.

Answer:

Creutzfeld-Jacob disease is

Question 2: latent

Answer:

Viruses that cause infection resulting in alternating periods of activity with symptoms and inactivity without symptoms are called

Question 3: release.

Answer:

Viruses acquire envelopes around their nucleocapsids during

Question 4: cannot be seen with a light microscope

Answer:

Which of the following is correct about viruses?

Question 5: prions, viroids

Answer:

Two noncellular agents, smaller than viruses, are the infectious proteins called _____, and the infectious RNA strands called _____.

Question 6: primary

Answer:

Freshly isolated animal tissue that is placed in a growth medium and allowed to produce a cell monolayer is referred to as a _____ cell culture.

Question 7: injection of the viral nucleic acid into the host cell.

Answer:

The event that occurs in bacteriophage multiplication that does not occur in animal virus replication is

Question 8: tobacco mosaic virus

Answer:

Which of the following viruses did

• Ivanovski and M. Beijerinck work with?

Question 9: icosahedral

Answer:

One of the principal capsid shapes is a 20-sided figure with 12 evenly spaced corners referred to as an _____ capsid.

Question 10: naked viruses.

Answer:

Viruses that consist of only a nucleocapsid are considered

Question 11: blood agar

Answer:

Which of the following will not support viral cultivation?

Question 12: tail fibers

Answer:

These structures are used by bacteriophages to attach to host cell receptors.Question 13: adsorption, penetration, replication, maturation, assembly, release.

Answer:

The correct sequence of events in viral multiplication is

Question 14: type of host cell receptors on cell membrane.

Answer:

Host range is limited by

Question 15: bacterial chromosome

Answer:

During lysogeny, an inactive prophage state occurs when the viral DNA is inserted into the _____

_____.

Question 16: bacteriophages

Answer:

Viruses that infect bacteria are specifically called _____.

Question 17: capsid

Answer:

A _____ is the protein shell around the nucleic acid core of a virus.

Question 18: prions

Answer:

Infectious protein particles are called Question 19: absorption, penetration, replication, assembly, maturation and release

Answer:

the events that occur in the multiplication cycle of bacteriophages

Question 20: plaques.

Answer:

Visible, clear, well-defined patches in a monolayer of virus-infected cells in a culture are called

Question 21: pocks

Answer:

Viral growth in bird embryos can cause discrete, opaque spots in the embryonic membranes called

Question 22: Order, family, subfamily, genus, species

Answer:

The correct hierarchical order for virus classification is:

Question 23: Lysogenic conversion

Answer:

Clostridium botulinum is made virulent by incorporated prophage genes encoding for the botulinum toxin.What term describes this process?

Question 24: viroids.

Answer:

Infectious naked strands of RNA are called

Question 25: capsomeres.

Answer:

Virus capsids are made from subunits called

Question 26: antibodies

Answer:

Diagnosis of viral infections sometimes involves analyzing the patient's blood for specific _____ that the immune system produced against the virus.

Question 27: dependent on other viruses for replication.

Answer:

Satellite viruses are