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Bio 2 Lab > microscope_bacteria_questions > Flashcards

microscope_bacteria_questions Flashcards

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Biology 101 flashcards
1
Q

Which of the following groups can perform photosynthesis? Clostridium, Cyanobacteria, Archaebacteria, Streptococcus, Staphylococcus

A

Cyanobacteria

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2
Q

This bacteria genus causes stomach ulsers

A

Heliobacter

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3
Q

Is Bacteria or Archaebacteria thought to be the oldest organisms on earth

A

Archaebacteria

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4
Q

Bacteria Flagella are made of _ _ fiber(s)

A

1, protein

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5
Q

Bacteria method of asexual reproduction

A

fission

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6
Q

Which of the following fixes Nitrogen? a) Clostridium botulinum b) Cyanobacteria c) Staphylococcus aureus d) Pseudomonas

A

b) Cyanobacteria

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7
Q

Which of the following 2 does an endospore contain? a) glycocalyx b) cytoplasm c) nuclear membrane d) chromosome e) capsule

A

cytoplasm and chromosome

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8
Q

When bacteria perform Nitrogen fixation, what is produced

A

ammonia

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9
Q

Genetic recombination process for bacteria

A

conjugation

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10
Q

framework which is attached to all the parts

A

arm and base

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11
Q

stage

A

supports microscope slide, horizontal, has stage adjustment knob & clamping device to move slide

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12
Q

parts of the lens system

A

oculars, objective lens, condenser lens, diaphragm

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13
Q

ocular traits

A

lens that is looked through, 10x magnification, binocular = 2

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14
Q

objective lens traits

A

multiple magnification options, rotatable nosepeice attached

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15
Q

condenser lens

A

location is under stage, moved up and down by knob below stage, directs light from lamp to slide

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16
Q

diaphragm

A

regulates light that reaches slide, located in the condenser

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17
Q

2 types of focusing knobs

A

fine adjustment, course adjustment

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18
Q

focusing knobs role

A

bring objects on slide into focus

19
Q

how are focusing knobs arranged

A

concentrically

20
Q

Body tube description

A

metal casing that light is passed throug before oculars

21
Q

diopter

A

magnifying power unit of a lens

22
Q

ocular adjustment role

A

change diopter amount of a lens

23
Q

how to make diopter change

A

focus right eye, sharpen image for left eye without adjusting focusing knobs

24
Q

field of view

A

what is seen through ocular and objective lens

25
Q

resolution

A

the ability to distinguish 2 seperate points

26
Q

parafocal

A

image remains focused during objective lens change

27
Q

paracentered

A

image remains centered when objective lens changed

28
Q

mineral oil role on oil immersion lens

A

improve resolution through reducing light refraction

29
Q

Eubacteria is a Kingdom or Domain?

A

Kingdom

30
Q

Eubacteria Domian

A

Bacteria

31
Q

Coccus bacterial shape

A

spherical

32
Q

Bacillus bacterial shape

A

rod

33
Q

vibrio bacteria shape

A

type of bacillus, slightly curved rods

34
Q

coccobacillus bacteria shape

A

roundish (short and plump) rods

35
Q

Spirillum bacterial shape

A

cork-screw like

36
Q

Spirochete bacterial shape

A

spring-like flexible helix shape

37
Q

diplococci cells arrangement

A

pairs of cocci

38
Q

tetrad cells arrangement

A

group of four cocci

39
Q

staphlococci/micrococci cells arrangement

A

irregular clusters

40
Q

streptococci cells arrangement

A

chains of cocci

41
Q

sarcina cells arrangement

A

cubical packets of cocci

42
Q

diplobacilli cells arrangement

A

pairs of bacilli

43
Q

steptobacilli cells arrangement

A

chains of bacilli

44
Q

palisades cells arrangement

A

parrallel bacilli

Bio 2 Lab (6 decks)

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