Viruses and prions are smaller and less complex than bacteria; they ...
Section 2: Viruses and Prions
Viruses and prions are smaller and less complex than bacteria; they invade cells and can alter cellular functions.
K What I Know
W What I Want to Find Out
L What I Learned
Essential Questions
? What is the general structure of a virus? ? What are similarities and differences in the lytic cycle, the lysogenic cycle,
and retroviral replication? ? What is the relationship between a prion's structure, replication, and action
and its ability to cause disease?
Copyright ? McGraw-Hill Education
Viruses and Prions
Vocabulary
Review
? protein
New
? virus ? capsid ? lytic cycle ? lysogenic cycle ? retrovirus ? prion
Copyright ? McGraw-Hill Education
Viruses and Prions
Viruses
? A virus is a nonliving strand of genetic material within a protein coat. ? Scientist do not consider viruses alive because:
? No organelles to take in nutrients or use energy ? Cannot make proteins ? Cannot move ? Cannot replicate on their own
Copyright ? McGraw-Hill Education
Viruses and Prions
Human Viral Diseases
Interactive Table
FPO
Add link to interactive table from page 525 (table 2) here.
Copyright ? McGraw-Hill Education
Viruses and Prions
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