Test bank For Microbiology Fundamentals A Clinical Approach 3rd Edition

Test bank For Microbiology Fundamentals A Clinical Approach 3rd Edition

Chapter 5 Viral Structure and Multiplication
1) Viruses have all the following except ________.
A) definite shape
B) metabolism
C) genes
D) the ability to infect host cells
E) ultramicroscopic size
2) Who developed a rabies vaccine by separating bacteria from virus using a filter?
A) Leeuwenhoek
B) Koch
C) Pasteur
D) Cohn
E) Semmelwise
3) Host cells of viruses include ________.
A) humans and other animals
B) plants and fungi
C) bacteria
D) protozoa and algae
E) All of the choices are correct
4) Viruses ________.
A) cannot be seen in a light microscope
B) are prokaryotic
C) contain 70S ribosomes
D) undergo binary fission
E) All of the choices are correct
5) Virus capsids are made from subunits called ________.
A) envelopes
B) spikes
C) capsomeres
D) prophages
E) peplomers
6) Helical and icosahedral are terms used to describe the shapes of a virus ________.
A) spike
B) capsomere
C) envelope
D) capsid
E) core

7) A(n) ________ is the protein shell around the nucleic acid core of a virus.
A) capsomere
B) capsid
C) spike
D) envelope
E) monolayer
8) One of the principal capsid shapes is a 20-sided figure with 12 evenly spaced corners referred to
as a(n) ________ capsid.
A) spiked
B) complex
C) icosahedral
D) helical
E) buckeyball
9) A naked virus has only a(n) ________.
A) capsid
B) capsomere
C) nucleocapsid
D) envelope
E) antigenic surface
10) Which of the following is not a typical capsid shape?
A) Tetrahedral
B) Complex
C) Helical
D) Icosahedron
E) All of the choices are capsid shapes