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TEST BANK FOR CAMPBELL BIOLOGY 12TH EDITION || CHAPTERS 19||FULL COMPLETE||LATEST
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TEST BANK FOR CAMPBELL BIOLOGY 12TH EDITION || CHAPTERS 19||FULL COMPLETE||LATEST
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ESTUDYTEST BANK FOR CAMPBELL BIOLOGY 12TH EDITION
|| CHAPTERS 19||FULL COMPLETE||LATEST
1) What is a virus?
a. A living organism made of cells
b. A particle consisting of genes packaged in a protective coat
c. A molecule that replicates on its own
d. A harmless protein found in cells
**Answer**: b. A particle consisting of genes packaged in a protective coat
2) What is the function of a "capsid"?
a. To replicate the virus genome
b. To enclose the viral genome in a protective shell
c. To destroy host cells
d. To make viral proteins
**Answer**: b. To enclose the viral genome in a protective shell
3) What are "capsomeres"?
a. The enzymes that break down the host cell
b. The protein subunits that make up a capsid
c. The nucleic acids in viruses
d. The spikes on the surface of a virus
**Answer**: b. The protein subunits that make up a capsid
4) What are "viral envelopes"?
a. The outer layers of a virus made from the host cell's membrane
, ESTUDY
b. The part of the virus that contains DNA
c. A type of virus that attacks bacteria
d. The viral enzymes that break down RNA
**Answer**: a. The outer layers of a virus made from the host cell's membrane
5) What are "bacteriophages"?
a. Viruses that infect humans
b. The simplest forms of viruses
c. Viruses that infect bacteria with complex capsids
d. The host cells of viruses
**Answer**: c. Viruses that infect bacteria with complex capsids
6) What does the "Tobacco Mosaic Virus (TMV)" look like?
a. Icosahedral capsid with protein spikes
b. Helical capsid in the shape of a rigid rod
c. Complex capsid with tail fibers
d. Envelope with glycoprotein spikes
**Answer**: b. Helical capsid in the shape of a rigid rod
7) What do "adenoviruses" look like?
a. Icosahedral capsid with protein spikes at each corner
b. Helical capsid that surrounds RNA
c. Spherical capsid with an envelope
d. Complex capsid with a tail apparatus
**Answer**: a. Icosahedral capsid with protein spikes at each corner
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