How can we help?

You can also find more resources in our Help Center.

Chapter 19 Vocabulary Review

STUDY
PLAY
Lysogenic infection
process in which viral DNA becomes part of a host cell's DNA
eubacteria
the larger of the two kingdoms of prokaryotes (no longer exists)
chemoautotroph
organism that obtains energy from inorganic molecules
toxin
substance produced by some bacteria that poisons hot cells
prion
pathogen that causes disease in animals by forming a protein clumb
bacteriophage
virus that infects bacteria
coccus
spherical bacterium
antibiotic
compound that can destroy bacteria
virus
a particle of nucleic acid, protein, and in some cases, lipids
chemoheterotroph
organism that must take in organic molecules for both energy and a supply of carbon
prokaryote
organism consisting of one cell that lacks a nucleus
spirillum
spiral-shaped bacteria
prophage
viral DNA that is embedded in the host's DNA
pathogen
disease-causing agent
lytic infection
process in which a hsot cell bursts after being invaded by a virus
endospore
spore formed by bacteria when growth conditions become unfavorable
bacillus
rod-shaped bacterium
binary fission
process in which a bacterium replicates its DNA and divides in half
obligate anaerobe
organism that can live only in an oxygen-free environment
vaccine
preparation of weakened or killed pathogens