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Biology hard words
| Term | Definition |
|---|---|
| Conjugation | Process in which two organisms exchange genetic material |
| Lytic cycle | Cycle of viral infection, replication, and cell destruction |
| Lysogenic cycle | Cycle of viral infection and replication without destroying the host cell |
| Provirus | Host chromosome combined with a virus chromosome |
| Osculum | Large opening in top of sponge where water leaves |
| Nematocyst | Small, barbed harpoon lined with toxin inside a cnidocyte |
| Scolex | Head of parasitic flatworm with suckers and hooks |
| Proglottid | Body section of a parasitic flatworm |
| Nephrida | Excretory tubes in worms that eliminate waste |
| Tegument | Protective covering of a parasitic flatworm |
| Mantle | Produces shell of mollusks |
| Ossicle | Plate in exoskeleton of echinoderms |
| Test | Endoskeleton of sea urchins and sand dollars |
| Ampulla | Part of the tube foot |
| Chelipeds | Legs modified into large pinchers |
| Carapace | Covering on crayfish's cephalothorax |
| Keratin | Protein that makes skin watertight |