Ch 18 Flashcards Preview

AP Biology > Ch 18 > Flashcards

Flashcards in Ch 18 Deck (6):
0

Viroid

Single-stranded circular naked RNA does not code for any proteins but may interfere with gene expression

Can replicate in host cell

1

Capsule

Sticky for attachment or defense prevents dying

2

Endospore

Chromosome surrounded by a thick wall

3

Horizontal transmission

Organism receives virus from external source

4

Vertical transmission

Organism inherits viral infection from parent

5

Peptidoglycan

Modified sugar polymers cross-linked by short polypeptides