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13 Cards in this Set

  • Front
  • Back

nucleoid

The genes of a prokaryotic cell are on a circular chromosome in an area of the cell

capsule

formed by secreting a layer of polysaccharides around the cell wall

Pili

hairlike structures that are made of protein

Binary fission

the division of a cell into two cells with identical genes

conjugation

two prokaryotes attach to each other and exchange genetic material

endospore

A spore coat surrounds a copy of the bacterial cell’s chromosome and a small part of the cytoplasm

nitrogenfixation

these bacteria convert nitrogen gas into nitrogen compounds that plants can use

virus

a non-living strand of genetic material within a protein coat

lytic cycle

the host cell makes many copies of the viral RNA or DNA

lysogenic cycle,

the viral DNA enters the nucleus of the host cell

A retrovirus

a type of RNA virus with a replication cycle that has many parts

prion

is a protein that can cause infection or disease

capsid

the outer layer of a virus that is made of protein