2.2 Prokaryotic Cells Flashcards Preview

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Flashcards in 2.2 Prokaryotic Cells Deck (9)
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State the function of the nucleiod region.

Circular naked DNA (not packaged around proteins) which contains genes and controls cell activity.

1

State the function of 70s ribosomes.

Site of polypeptide synthesis.

2

State the function of the plasmid.

Small circular loop of DNA. Can replicate independently of the genophore.

3

State the function of pili

Allows different cells to stick together, exchange generic information, and form colonies.

4

State the function of the plasma membrane.

Selectively permeable membrane which controls what enters and leaves the cell.

5

State the function of the cell wall

Provides support and prevents the cell from bursting under osmotic pressure. Made of a glycoprotein called peptidoglycan.

6

State the function of flagellum

The base of flagellum rotate, causing the flagellum to whip around, and propelling the cell.

7

State the function of the cytoplasm.

Site of metabolic reactions.

8

State and describe how prokaryotes divide.

Prokaryotes divide by the asexual process of binary fission. The cell divides, forming two identical daughter cells.