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General Biology > Lab. Apparatuses > Flashcards

Lab. Apparatuses Flashcards

1
Q

These are various tools, equipment, & instruments used in a lab.

A

Laboratory apparatus

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2
Q

Importance of Lab. Apparatus

A
  1. Accurate & reliable data is the foundation of scientific research
  2. Allows control & manipulation of variables ensuring precise measurements & observations
  3. w/out it, errors & inconsistencies will occur leading to difficulty in drawing valid conclusions
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3
Q

made of borosilicate glass

A

glassware

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4
Q

Types of Lab. Appa.

A
  1. Glassware
  2. Plasticware
  3. Metalware
  4. Heating Equipment
  5. measuring instruments
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5
Q

can withstand high temp. & chemical reactions

A

glassware

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6
Q

examples of glasswares

A

beakers, flasks, test tubes, pippetes

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7
Q

acts as support for glassware

A

plasticware

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8
Q

when heated, it can cause corrosive reaction

A

plasticware

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9
Q

often used when glassware is not suitable such situations involving corrosive substances or when lightweight & dispensable materials are required

A

plasticware

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10
Q

shiny, no rust, malleable

A

metalware

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11
Q

ex. are crucibles, tongs, spatulas, clams

A

metalware

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12
Q

known for high durability & resistance to high temp.

A

metalware

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13
Q

common example of heating equipment

A

bunsen burners, hot plates, & alcohol lamps

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14
Q

crucial for conducting experiments that require controlled heating

A

bunsen burners & hot plates

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15
Q

enables: heat/boil substances, facilitating various chem. reactions & processs

A

bunsen burners & hot plates

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16
Q

essential for obtaining measurements

A

measuring instru.

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17
Q

examples of measuring instruments

A

thermo., balances, graduatd cylinder

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18
Q

used to classify units in volume

A

ml/drops/L

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19
Q

used to classify units in mass/weight

A

kg/g/lbs

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20
Q

used to classify units in temp.

A

C, K, F

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21
Q

used to classify units in distance

A

mm/cm/kl- SI
foot/inch/miles- old
L, W, H

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22
Q

cylindrical containers with a flat bottom & a spout.

A

beaker

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23
Q

comes in various sizes for holding, mixing, & heating liquids during experiments

A

beakers

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24
Q

used in heating & evaporating

A

Flaks: erlenmayer flasks

25
Q

small opening & also known as the erlenmayer flasks. triangular in shape with a narrow and flat bottom. used for holding & mixing liquids

A

flasks

26
Q

conical shape allows for efficient swirling & mixing w/out excessive splashing

A

flasks

27
Q

measures in drops

A

pippetes

28
Q

slender glass or plastic tube used for precise measurements & transfer of small quantity liquids

A

pippetes

29
Q

two types of pippetes

A

volumetric and micr

30
Q

they are essential for accurate dispensing

A

pippetes

31
Q

used for heating

A

bunsen burners & alcohol lamps

32
Q

consists of a metal base w/ an adjustable air vent & a vertical tube for gas supply

A

bunsen burner

33
Q

provides controlled & consistent source of heat, making them indespensable in labs.

A

bunsen burners

34
Q

consists of glass filled w/ liquid (mercury or alcohol) that expands or contracts w/ temp. change

A

thermo.thermomeeter

35
Q

to ensure longevity & accuracy

A

proper handling & maintenance

36
Q

it means to subject using high temp.

A

pasteurization

37
Q

he discovered pasteurization

A

Lois Oasteur

38
Q

applied to avoid cross-contamination & ensure accurate results

A

cleaning & sterilization

39
Q

helps maintain condition & accessibility

A

storage & organizations

40
Q

versatile containers

A

beakers

41
Q

3 types of microscopes

A

simple
compound
electronic

42
Q

2 lenses of compound microscope

A

eye piece or ocular
objective

43
Q

2 functions of microscopes

A

magnification
resolution

44
Q

separates components of a mixture based on density

A

centrifuge

45
Q

allows separation of cells, proteins, DNA

A

centrifuge

46
Q

measures absorption or transmission of light by a sample

A

spectrophotometer

47
Q

widely employed in chemical analysis, etc. to determine the concentration of substances

A

spectrophotometer

48
Q

used for precise measurement of mass

A

balance

49
Q

essential in analytical chem.

A

balance

50
Q

measures the acidity and alkalinity of a solution

A

ph meters

51
Q

used in sterilizing lab. equipment & materials by subjecting them to high temp.

A

autoclaves

52
Q

vital for maintaining aseptic conditions in microbiology & med. lab.

A

autoclaves

53
Q

provides controlled temp. & humidity conditions for growth & cultivation of cells, bacteria

A

incubator

54
Q

used to separate RNA, DNA, & protwins based on size & charge

A

gel Electrophoresis systems

55
Q

widely employed in genetics, molecular biology, & forensic science for analyzing & chara. biomolecules

A

Gel Electrophoress systems

56
Q

essential for handling hazardous chem. & preventing exposure to toxic fumes

A

fume hoods

57
Q

provides controlled airflow to protect researchers during precedures involving volatile substances

A

fume hoods

58
Q

used for storage of hazardous equipment

A

safety cabinets

General Biology (1 decks)

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