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College Biology > Lab Exam I > Flashcards

Lab Exam I Flashcards

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1
Q

Taxonomic classifications

A 
Domain
Kingdom
Phylum
Class
Order
Family
Genus
Species
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2
Q

Domains

A

Archaea
Bacteria
Eukarya

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3
Q

Kingdoms

A

Protista
Fungi
Plantae
Animalia

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4
Q

Binomial nomenclature

A

Consists of genus name capitalized followed by the species name lowercased with both names either underlined or italicized

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5
Q

How many things did you change on the airplane?

A

One

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6
Q

What is changing in the experiment

A

Independent variable

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7
Q

What you’re measuring in an experiment

A

Dependent variable

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8
Q

What you’re keeping the same throughout the experiment

A

Standardized variable

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9
Q

Does not get the experimental variable

A

Control group

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10
Q

The larger of this, the better the data you will get

A

Sample size

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11
Q

Scientific Method used in the black box experiment

A

Observation
Hypothesis
Prediction/experiment
Data collection/statistical analysis

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12
Q

Tentative statement or educated guess

A

Hypothesis

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13
Q

Hypothesis that has a lot of evidence to support it

A

Theory

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14
Q

Theory that has so much evidence to support it that we believe it to be true

A

Law/Principle

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15
Q

Can’t prove a hypothesis but you can _____ or support it

A

Disprove

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16
Q

Lenses through which you view magnified specimen; 10x magnification

A

Ocular lens

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17
Q

Movable mount for selecting the objective lens which provides the desired magnification

A

Revolving nosepiece

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18
Q

Lens on revolving nosepiece which accomplishes the desired magnification

A

Objective lens

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19
Q

Flat work surface upon which the slide is placed

A

Stage

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20
Q

Regulates the amount of light passing through the stage and specimen

A

Iris diaphragm

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21
Q

Constant light source beneath the iris diaphragm

A

Lamp

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22
Q

Lever that secures the slide to the stage

A

Mechanical stage

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23
Q

Gives initial focus of a specimen

A

Coarse adjustment knob

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24
Q

Gives refined focus of a specimen

A

Fine adjustment knob

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25
Q

One lens

A

Simple microscope

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26
Q

Two lenses; more than one set

A

Compound microscope

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27
Q

One place to look through

A

Monocular

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28
Q

Two places to look through

A

Binocular

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29
Q

4x magnification

A

Scanning lens

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30
Q

10x magnification

A

Low power

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31
Q

40x magnification

A

High power

32
Q

100x magnification

A

Oil immersion

33
Q

Increase in size of specimen

A

Magnification

34
Q

How detailed the image is

A

Resolving power

35
Q

Everything you see when looking in the lens; as it decreases, the magnification of specimen increases

A

Field of view

36
Q

Distance from lens to specimen where the specimen is in sharp focus

A

Plane of focus

37
Q

Thickness of a specimen that is in sharp focus

A

Depth of field

38
Q

Regulated what goes in and out of cell

A

Plasma membrane

39
Q

Control center of the cell

A

Nucleus

40
Q

Production of rRNA

A

Nucleolus

41
Q

Storage

A

Vacuole

42
Q

Contains organelles

A

Cytoplasm

43
Q

Maintains shape and protects

A

Cell wall

44
Q

Wet mount

A

Take a slide, take specimen and put it on the slide, add a drop of liquid and then put a cover slide on top

45
Q

Speeds up breakdown of hydrogen peroxide into water and oxygen; catalizes H202 > H20 + O2

A

Catalase

46
Q

Where did starch start

A

In the bag

47
Q

Did starch move

A

No it’s too big

48
Q

How do you know starch didn’t move

A

Blue color is not outside the bag

49
Q

Where did IKI start

A

In the beaker

50
Q

Did IKI move

A

Yes it moved into the bag

51
Q

Why did IKI move

A

Diffusion

52
Q

How do we know IKI moved

A

The blue color in the bag

53
Q

Where did water start

A

Beaker and bag

54
Q

Did water move

A

Yes it moved into the bag

55
Q

Why did water move

A

Osmosis

56
Q

How do we know water moved

A

We could weigh the bag or the beaker and see a difference

57
Q

Where did glucose start

A

In the bag

58
Q

Did glucose move

A

Yes it moved out

59
Q

Why did glucose move out

A

Diffusion

60
Q

How do we know glucose moved out

A

Glucose test strip

61
Q

Dialysis tubing is similar to what?

A

Plasma membrane

62
Q

Potato slush was what color?

Water and peroxide in beaker was what color?

A

Creamy; water

63
Q

Water and hydrogen peroxide goes into the bad because of ____

A

Diffusion

64
Q

Hydrogen peroxide breaks down because it meets _____

A

Catacholase

65
Q

In the organelle lab, the dialysis tubing ______ and ____

A

Swelled and bubbled

66
Q

In the presence of oxygen catacholase produces ____

A

Melanin

67
Q

More oxygen production in the bag because of _____

A

Catalase

68
Q

Substrate in organelle lab

A

Hydrogen peroxide

69
Q

Movement of molecules from an area of high concentration to low concentration

A

Diffusion

70
Q

Diffusion of water across a semipermeable membrane

A

Osmosis

71
Q

Substrate in enzyme lab

A

Hydrogen peroxide

72
Q

Independent variable in enzyme lab

A

Amount of catalase (yeast)

73
Q

Dependent variable in enzyme lab

A

Amount of oxygen produced

74
Q

The greater the enzyme concentration, the greater the _____

A

Reaction

75
Q

Enzyme in enzyme lab

A

Catalase

College Biology (16 decks)

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