Prokaryotic cells Flashcards

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1
Q

prokaryotes

A

prokaryotic cells are small, single, simple cells that lack a nucleus

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2
Q

Archaea

A

are older organisms that developed along the same time as eukaryotes

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3
Q

Bacteria

A

are primitive single called organisms that predate both archaea and eukaryotes and are more genetically different from the two.

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4
Q

outer capsule and cell wall

A

Prokaryotic cells have both an outer capsule and a cell wall to help provide structure
and support.

The outer capsule is also known as a ¨slime layer¨
The cell walls of prokaryotic cells is made of peptidoglycan

Peptidoglycan is made of sugars

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5
Q

cell membrane

A

This membrane is selectively permeable which means it allows some substances in, and keeps other substances out

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6
Q

Cytoplasm

A

Gel like substance found throughout the cell

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7
Q

Appendages

A

50% of all prokaryotes have a flagellum

The flagellum looks like a tail and acts as a propellor to help cell move

Pilli and fimbriae are hair like appendages or outer surface of the cell that aid in movement and the transfer of genetic information

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