Biology: The Dynamics of Life, California Edition

Section 1: Viruses

Viruses

1.
Which of these is an example of a helical virus?
A)<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0078665809/181784/ch18_0_a.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (13.0K)</a>
B)<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0078665809/181784/ch18_0_b.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (15.0K)</a>
C)<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0078665809/181784/ch18_0_c.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (9.0K)</a>
D)<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0078665809/181784/ch18_0_d.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (14.0K)</a>
2.
Which of these statements is true?
A)Every virus has its own specifically shaped attachment protein.
B)In most situations, polio viruses infect only brain cells.
C)A virus can replicate at any time in any location.
D)A T4 phage can only infect a human cell.
3.
Which of these is NOT a step in the lytic cycle?
A)assembly
B)replication
C)lysis and release
D)provirus formation
4.
What is the virus responsible for the common cold?
A)rabies
B)Escherichia coli
C)poliovirus
D)adenovirus
5.
One reason that smallpox has been successfully eradicated is because __________.
A)it only infects humans
B)it only infects birds
C)it never infects humans
D)it always infects birds and horses
Glencoe Online Learning CenterScience HomeProduct InfoSite MapContact Us

The McGraw-Hill CompaniesGlencoe

Please read our Terms of Use and Privacy Policy before you explore our Web site. To report a technical problem with this Web site, please contact the Web Producer.