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CHAPTER 18-20 CROSSWORD

Across
Infectious particle made only of DNA or RNA
Potent plant chemicals that contain nitrogen
Flowering plants whose embryos have two seed leaves
A waxy, waterproof layer that helps hold in moisture
A specialized cell with a thick, protective wall
Particle that can cause an infectious disease
The reproductive structure of flowering plants
When pollen meets female reproductive parts or the same plant speices
The reproductive structure of flowering plants
A seed plant that has seeds enclosed in some types of fruit
Genetic material surrounded by a protein
Viruses that prey on bacteria
A small piece of genetic material that can replicate seperately from the prokaryotes main chromosome
A poison released by an organism
An embryonic leaf inside a seed
Prokaryotes exchange parts of their chromosomes
Down
Infectious particles that cause disease in plants
Multicellular eukaryotes
A substance that stimulates the bodys own immune response
Material that hardens cell wall
The study of plants
The mature ovary of a flower
Tiny holes in the cuticle
A rapid outbreak of an infection that affects many people
Flowering plants whose embryos have one seed leaf
An infectious particle made only of proteins
A seed plant whose seeds are not enclosed in fruit
The phage DNA inserted into the host cells DNA
Chemicals that kill or slow the growth of bacteria
A fiborus material made up of dead cells that are part of the vascular system
A long, whiplike structure outside of a cell that is used for movement
A virus that contains RNA
A storage device for a plant embryo