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biology 1001 > lab exam > Flashcards

lab exam Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

diffusion

A

movement of a solute particle from an area of higher concentration to an area of lower concentration.

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2
Q

concentration gradient

A

a difference in the concentration of a substance across a distance.

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3
Q

osmosis

A

diffusion of water down its concentration gradient through a selectively permeable membrane

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4
Q

hypotonic

A

having a lower concentration of solute than another substance

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5
Q

hypertonic

A

having a higher concentration of solute than another substance

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6
Q

isotonic

A

having the same concentration as another substance

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7
Q

starch test

A

iodine turns black/blue/purple in the presence of starch

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8
Q

sugar test

A

benedict’s reagent turns green/yellow/orange/red/brown in the presence of sugar

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9
Q

chloride test

A

silver nitrate will contain a white precipitate in the presence of chloride

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10
Q

total magnification

A

objective lens*ocular lens

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11
Q

specimen length/width

A

calibrated value*number of ocular divisions

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12
Q

photosynthesis reaction

A

6CO2 + 6H2O + light -> C6H12O6 + 6O2

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13
Q

respiration reaction

A

C6H12O6 + 6O2 –> 6CO2 + H2O + ATP energy

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14
Q

bicarbonate indicator

A

turns yellow with more CO2 (more acidic) and turns purple with less CO2 (more basic)

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15
Q

colony characteristics

A

size, shape, margin, surface texture, elevation, colour

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16
Q

colony size

A

punctiform, small, medium, large

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17
Q

colony shape

A

round, irregular, filamentous, rhizoid, punctiform

18
Q

colony margin

A

entire, lobate, scalloped, filiform, undulate, curled, serrate

19
Q

colony texture

A

dry, smooth, viscous, mucoid

20
Q

colony elevation

A

flat, raised, convex, pulvinate, umbonate, crateriform, draughtsmen

21
Q

red algae

A

marine algae in which the chlorophyll is masked by a red or purplish pigment

22
Q

green algae

A

photosynthetic protists that include unicellular, colonial, and multicellular species with grass green chloroplasts; closely related to true plants.

23
Q

brown algae

A

one of a group of marine, multicellular, autotrophic protists, the most common type of seaweed.

24
Q

holdfast

A

a rootlike structure that anchors a seaweed.

25
Q

stipe

A

a stemlike structure of a seaweed

26
Q

blades

A

leaflike structures of a seaweed

27
Q

euglena

A

unicellular organism; moves using its flagella; asexual reproduction; have chloroplasts to absorb sunlight

28
Q

paramecium

A

a ciliated (it propels itself via cilia) protist that lives in fresh water and eats other tiny organisms for food.

29
Q

amoeba

A

a type of protist characterized by great flexibility and the presence of pseudopodia.

30
Q

algae

A

plantlike protists

31
Q

zygosporangium

A

sexual reproductive structure of zygomycota

32
Q

rhizopus stolonifer

A

black bread mold

33
Q

sporangium

A

multicellular organs that produce spores

34
Q

ascocarp

A

in sac fungi, the reproductive structure in which haploid nuclei fuse to form a zygote

35
Q

conidia

A

asexual fungi spores of Ascomycetes

36
Q

basidiocarps

A

fruiting bodies where the basidiomycetes reproduce sexually

37
Q

crustose

A

(of lichens) having a thin crusty thallus that adheres closely to the surface on which it is growing

38
Q

fruticose

A

shrublike lichen

39
Q

foliose

A

leaflike lichen

40
Q

ectomycorrhizae

A

a type of mycorrhizae in which the mycelium forms a dense sheath, or mantle, over the surface of the root. Hyphae extend from the mantle into the soil, greatly increasing the surface area for water and mineral absorption.

41
Q

endomycorrhizae

A

mycorrhizae that grow inside the root of the plant.

biology 1001 (1 decks)

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