Unformatted text preview: 19. The best model to date that explains flower formation in plants? a) hormones b) ABC k—Bb
c) plasmids d) thermophils
e) anaerobes 20. Viruses: a) are comprised of capsids and RNA or DNA
ﬂare all lytic
c ere the first organisms to appear on earth ‘ 31V are effectively'controlled by vaCoines
e) evolved from envelope viruses to retroviruses...
View Full Document
- Spring '07