Vocabulary Chapter 20~

19 terms by SamRosser

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Virus

particle made up of nucleic acid, protein, and in some cases lipids that can replicate only by infecting living cells

Capsid

the outer covering of protein surrounding the nucleic acid of a virus

Bacteriophage

a virus that infects bacteria

Lytic infection

process in which a virus enters a cell, makes a copy of itself, and causes the cell to burst

Lysogenic infection

process by which a virus embeds its DNA into the DNA of the host cell and is replicated along with the host cell's DNA

Prophage

...

Retrovirus

any of a group of viruses that contain two single-strand linear RNA molecules per virion and reverse transcriptase (RNA to DNA)

Prokaryote

a unicellular organism having cells lacking membrane-bound nuclei

Bacillus

aerobic rod-shaped spore-producing bacterium

Coccus

any spherical or nearly spherical bacteria

Spirillum

any flagellated aerobic bacteria having a spirally twisted rodlike form

Binary fission

a form of asexual reproduction in single-celled organisms by which one cell divides into two cells of the same size

Endospore

a small asexual spore that develops inside the cell of some bacteria and algae

Conjugation

the act of making or becoming a single unit

Pathogen

any disease-producing agent (especially a virus or bacterium or other microorganism)

Vaccine

immunogen consisting of a suspension of weakened or dead pathogenic cells injected in order to stimulate the production of antibodies

Antibiotic

a chemical substance derivable from a mold or bacterium that kills microorganisms and cures infections

Emerging disease

a disease that is caused by new or reappearing infectious agents that typically exist in animal populations

prion

(microbiology) an infectious protein particle similar to a virus but lacking nucleic acid

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