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Bio 102 > Prokaryotes > Flashcards

Prokaryotes Flashcards

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Biology 101 flashcards
0
Q

Prokaryotic DNA location

A

Nucleiod region

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1
Q

Plasma membrane

A

Sterols

Selectively permeable

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2
Q

Plasmid

A

Small, circular, independently self-replicating, extra chromosomal rings of DNA

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3
Q

Binary fission

A

Prokaryotic reproduction and growth

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4
Q

Generation time

A

Time required for a cell duplicate. 1 cells becomes 2

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5
Q

E. Coli generation time

A

20 mins

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6
Q

Binary fission process

A

Nucleiod divides
Transverse septum becomes complete
Daughter cell separates

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7
Q

Vegetative cells

A

Capable of actively growing (reproducing)

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8
Q

Endospores

A

Protected form, not reproductive

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9
Q

Endospores

A

Forms in response to stress
Resistant
Remains dormant before germination
Gram positive bacilli

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10
Q

Vertical gene transfer

A

Binary fission

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11
Q

Horizontal gene transfer

A

Conjugation
Transformation
Transduction

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12
Q

F + cell

A

Has plasmid = donor

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13
Q

F- cell

A

No plasmid

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14
Q

Transformation

A

Recipient cell takes donor DNA
Donor DNA aligns
Recombination occurs between donor and recipient DNA
Genetically transformed cell

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15
Q

Photo autotrophs

A

Light

16
Q

Chemoautotroph

A

Inorganic chemicals

17
Q

Photoheterotroph

A

Light

18
Q

Chemiheterotroph

A

Organic compounds

Most prokaryotes and Protista, fungi, animals and plants

19
Q

Obligate aerobes

A

Require oxygen

20
Q

Obligate anaerobes

A

Killed by oxygen

Use fermentation

21
Q

Facultative anaerobes

A

Use oxygen if present, switches to other mode if oxygen isn’t present

22
Q

Psychrophile

A

Cold lover

23
Q

Mesophile

A

Warm

24
Q

Thermophile

A

Hot lover

25
Q

Extreme thermophile

A

Extreme hot lover

26
Q

Extreme halophiles

A

Salt lover

27
Q

Biofilm

A

Aggregation of bacteria on a surface on a liquid or a solid

28
Q

Bioremediation

A

Use organisms to remove pollutants

29
Q

Lyme disease

A

Borreliosis

Spirochete

30
Q

Spontaneous generation

A

Life came from non life

31
Q

Biogenesis

A

Life comes from life

32
Q

Germ theory

A

Germs case disease

Bio 102 (2 decks)

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