Chapter 30 Key Terms

• p. 650: viruses
  
• p. 651: capsid, envelope, lyses, virulent viruses, temperate viruses, prions
  
• p. 652: helical, isometric, icosahedron, bacteriophages
  
• p. 654: variolation, vaccination
  
• p. 655: attachment
  
• p. 656: entry, replication, reverse transcriptase, retroviruses
  
• p. 657: hemagglutinin, neuraminidase
  
• p. 662: chemosynthesis, gram-positive
  
• p. 663: gram-negative, lipopolysaccharide, capsule, bacilli (singular, bacillus), cocci (singular, coccus), spirilla (singular, spirillum), spores, pili (singular, pilus), endospores
  
• p. 665: dental plaque
  
• p. 669: sexually transmitted diseases (STD), gonorrhea, syphilis
  
• p. 671: chancre, genital herpes, chlamydia
  
• p. 673: thermoacidophiles, halophyles