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Bio 2370 LAB > Ex 4: Examining Stained Bacteria > Flashcards

Ex 4: Examining Stained Bacteria Flashcards

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Biology 101 flashcards
1
Q

What are prokaryotic cells?

A

cells that lack a membrane bound nucleus and small in size

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2
Q

What is cyanobacteria?

A

photosynthetic prokaryotic organisms

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3
Q

What is heterotrophic?

A

bacteria requiring organic molecules for a carbon source

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4
Q

What are cocci?

A

spherical or oval bacteria

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5
Q

What are dipplococci? Used to describe cocci bacteria

A

Two spherical bacteria stucked together, divided on 1 plane

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6
Q

What is tetrad? Used to describe cocci bacteria

A

4 bacteria stuck together, divided on 2 planes

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7
Q

What are grapelike clusters? Used to describe cocci bacteria

A

Group of bacteria divided on 3 planes in an irregular pattern

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8
Q

What is packet? Used to describe cocci bacteria

A

Group of bacteria, divided on 3 planes in a regular pattern

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9
Q

What are rods?

A

line or rod shaped bacteria

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10
Q

What are pairs? Used to describe rod bacteria

A

cells in groups of two

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11
Q

What are palisades? Used to describe rod bacteria

A

a parallel arrangement of cells resembling a picket fence

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12
Q

What arrangement of cells are seen in diphtheroids?

A

palisades, X and Y arrangements and pleomorphic cells

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13
Q

What are diphtheroids?

A

cells morphologically resembling Corynebacterium diptheriae

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14
Q

What are spirilla?

A

spiral shaped cells

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15
Q

What are spirochetes?

A

flexible spiral shaped cells

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16
Q

What is the shape of Treponema pallidium? And what does this bacteria cause?

A

spirochete. syphilis

17
Q

What are vibrio?

A

slightly curved rods

18
Q

What are club-shaped cells?

A

narrower at one end and broad and round at the other

19
Q

What are coccobacilli?

A

very short rods

20
Q

What are endospores?

A

most highly resistant life forms, seen in bacteria. resist staining and only visible as shiny ovals within a stained cell

21
Q

What bacteria has endospores?

A

Clostridium

22
Q

What are flagella?

A

threadlike organelles that propel cell through liquid, too thin to be seen without special staining

Bio 2370 LAB (11 decks)

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