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Bio 125 Lab Practical 1 Flashcards

1
Q

Brightfield Microscope

A

a type of compound microscope that allows light rays to pass directly to the eye w/out being deflected by an intervening opaque plate in the condenser

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2
Q

Resolving Power

A

ability of the lens to show two adjacent objects as discrete entities

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3
Q

Working Distance

A

proximity of the slide to the bottom of the objective lens

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4
Q

Refractive Index

A

the light bending ability of glass, oil, and air

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5
Q

Total Magnification Formula

A

oculars x objective lens = total magnification

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6
Q

Scanning Power =

A

40x

(10x4)

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7
Q

Low Power =

A

100x

(10x10)

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8
Q

High Power=

A

400x

(10x40)

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9
Q

Oil Immersion =

A

1000x

(10x100)

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10
Q

Working Distances

A

scanning= 9-10 mm

low power= 5-8mm

high power= 0.5-0.7mm

oil immersion= 0.13-0.18 mm

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11
Q

Parfocal

A

an object in view under one objective will still be in view under other objectives

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12
Q

Field of View

A

area seen through a microscope

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13
Q

Vector

A

agents that carry a pathogen affecting another species

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14
Q

Tick

aka

Ixodes Species

A

D= Eukarya

K= Animalia

P= Arthropoda

C=Arachnida

G=Ixodes

S=

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15
Q

Itch Mite

aka

Sarcoptes scabiei

A

D= Eukarya

K= Animalia

P= Arthropoda

C= Arachnida

G= Sarcoptes

S= scabiei

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16
Q

Flea

aka

Xenospylla

A

D= Eukarya

K= Animalia

P= Arthropoda

C= Insecta

G= Xenospylla

S=

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17
Q

Human Head or Body Louse

aka

Pediculus humanus capitis or corporis

A

D= Eukarya

K= Animalia

P= Arthropoda

C= Insecta

G= Pediculus humanus

S= capitis or corporis

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18
Q

Parasite

A

an organism that attacks and consumes parts of an organism much larger than itself

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19
Q

Host

A

the organism that harbors a parasite

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20
Q

Loss of Competency

A

when a parasite becomes so dependent on its host that it can no longer live indendently

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21
Q

Acoelomate

A

without a body cavity

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22
Q

Tapeworm

A

D= Eukarya

K= Animalia

P= Platyhelminthes (flatworms)

C= Cestoda (tapeworms)

G= Taenia

S= solium

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23
Q

Dog Tapeworm

aka

Echinococcus granulosus

A

D= Eukarya

K= Animalia

P= Platyhelminthes

C= Cestoda

G= Echinococcus

S= granulosus

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24
Q

Asian Liver Fluke

aka

Clonorchis sinensis

or

Opisthorchis sinensis

A

D= Eukarya

K= Animalia

P= Platyhelminthes

C= Trematoda (flukes)

G= Clonorchis

S= sinensis

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25
Giant Intestinal Fluke aka Fasciolopsis buski or Fasciola hepatica (liver fluke)
D= Eukarya K= Animalia P= Platyhelminthes C= Trematoda G= Fasciolopsis or Fasciola S= buski or hepatica
26
Blood Fluke aka Schistosoma mansoni
D= Eukarya K= Animalia P= Platyhelminthes C= Trematoda G= Schistosoma S= mansoni
27
Pinworm aka Enterobius vermicularis
D= Eukarya K= Animalia P= Nemahelminthes or Nematoda (roundworms) C= Rhabditea G= Enterobius S= vermicularis
28
Intestinal Roundworm aka Ascaris lumbricoides
D= Eukarya K= Animalia P= Nemahelminthes or Nematoda C= Rhabditea G= Ascaris S= lumbricoides
29
Hookworm aka Ancylostoma caninum
D= Eukarya K= Animalia P= Nemahelminthes or Nematoda C= Rhabditea G= Ancylostoma S= caninum
30
Threadworm aka Trichinella spiralis
D= Eukarya K= Animalia P= Nematoda C= Enoplea G= Trichinella S= spiralis
31
Whipworm aka Trichuris trichiura
D= Eukarya K= Animalia P= Nematoda C= Enoplea G= Trichuris S= trichiura
32
Leech aka Haemopsis species
D= Eukarya K= Animalia P= Annelida C= Hirudinea G= Haemopsis S=
33
Protozoa
unicellular, eukaryotic organisms Key Features: - absences of a cell wall - pellicle: flexible layer outside of the cell membrane - ability to move by locomotor organelles or gliding mechanism - mostly heterotrophic but can be photosynthetic - primarily asexual reproduce thru sexual modes
34
Amoeba
D= Eukarya K= n/a P= Amoebozoa or Rhizopoda G= Entamoeba S= histolytica
35
Amoeba Proteus
D= Eukarya K= n/a P= Tubulinea G= Amoeba S= proteus
36
Trypanosoma
D= Eukarya K= n/a P= Euglenozoa G= Trypanosoma S= lewisi
37
Giardia
D= Eukarya K= n/a P= Metamonada G= Giardia S= lamblia
38
Name the three species of Trichomonas and their locationa
1) Trichomomonas hominis- large intestine, harmless infection 2) Trichomonas tenax- mouth, also harmless 3) Trichomonas vaginalis- vagina, urethra, seminal vesicles; causes venereal disease
39
Trichomonas
D= Eukarya K= n/a P= Metamonada G= Trichomonas S= vaginalis
40
Balantidium
D= Eukarya K= n/a P= Ciliophora G= Balantidium S= coli
41
Plasmodium (malaria)
D= Eukarya K= n/a P= Apicomplexa G= Plasmodium S= malariae
42
Diatoms aka Plankton
phytoplankton, food chains in the ocean P= heterokontophytos
43
Dinoflagellates
- have photosynthetic pigments and are strengthened by internal plates of cellulose - bioluminescent= red tides - neurotoxins= can poison humans who eat shellfish that have ingested planktonic dinoflagellates and concentrated their toxins
44
Fungi
eukaryotic cells which lack chlorophyll (cannot generate energy thru photosynthesis) - require aerobic environments - produce enzymes - absorb nutrients
45
Saprophytic
obtain nutrients from dead matter aka parasitic
46
Distinguishing Features of Fungi
1) eukaryotic 2) heterotrophic 3) lack tissue differentiation 4) chitin cell walls 5) propogate by spores
47
Fungi belong to Kingdom Myceteae Name the three divisions
1) Mastigomycota= water molds 2) Gymnomycota= slime molds 3) Amastigomycota= yeasts, molds, bracket fungi, others
48
Dimorphic
species of fungi that can exist as molds or yeasts under certain conditions
49
Hyphae
microscopic filaments of molds
50
Mycelium
mass of intertwined hyphae
51
Septa
crosswalls that seperate hyphae into individual compartments with an organized nucleus and organelles
52
Nonseptate or Coenocytic
having no septate
53
Name the two types of asexual spores seen in molds
1) sporangiospores-form w/in a sac called a sporangium 2) conidia (aka phialospores)- form in specialized hyphae called conidiophores or phialide - micro and macro conidia
54
Name the three types of sexual spores seen in molds
1) zygospores- formed from union of nuclear material from hyphae of two diff. strains 2) ascospores- produced in enclosures called asci 3) basidiospores- produced in club shaped bodies called basidia
55
Yeasts
- don't have true hyphae - form multicellular structures called pseudohyphae - produce asexual spores called blastospores or buds
56
Ubiquitous
state or capacity of being everywhere at the same time
57
Chemically defined medium
a medium whose exact chemical composition is known
58
Agar
an extract from marine red algae
59
inoculated
intentionally introduced
60
Colony
a population of cells that theoretically arises from a single bacterial cell
61
Colony forming unit
a colony that arises from a group of microbes attached to one another
62
Sterilized
rendered free of life

biology (6 decks)

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