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BIOLOGY > Cell Structure > Flashcards

Cell Structure Flashcards

1
Q

Name the microscope used in school labs

A

compound light microscope

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2
Q

How many lenses does a compound light microscope use?

A

2

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3
Q

How do you find the total magnification?

A

by multiplying the power on the 2 lens

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4
Q

Draw a labeled diagram of a compound light microscope

A
  • eyepiece lens
  • objective lens
  • stage
  • iris diaphragm
  • light
  • coarse focus knob
  • fine focus knob
  • nosepiece
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5
Q

What is the function of the eyepiece lens?

A

to magnify the cells/ specimen

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6
Q

What is the function of the objective lens?

A

to magnify the cells / specimen

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7
Q

What is the function of the stage?

A

it is where you place the slide

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8
Q

What is the function of the coarse focus knob?

A

for approximent focus to allow a clear image to be seen

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9
Q

What is the function of the fine focus knob?

A

for precise focus to allow a clear image to be seen

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10
Q

What is the function of the light bulb?

A

to supply light to the sample to let it be seen

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11
Q

What is the function of the iris diaphragm?

A

controls the amount of light reaching the slide

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12
Q

How do you use a light microscope?

A
  • plug in the microscope and turn on the light
  • turn the rotating nose piece so that the lowest power lens is in place
  • prepare the sample on the slide and place it on the stage
  • using the coarse focus knob raise the stage til it is at the highest point
  • while looking through the eyepiece move the coarse focus knoband bring the slide into focus
  • use the fine focus knob til the cells are focused.draw what you see
  • next, view the specimens under medium and high power
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13
Q

What is a cell?

A

it is the smallest working unit of a living thing

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14
Q

What is an unicellular organism?

A

a organism with a single cell

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15
Q

What is a multicellular organism?

A

an organism with many cells

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16
Q

Draw an animal cell under a light microscope

A
  • cell membrane
  • nucleus
  • cytoplasm
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17
Q

Draw a plant cell under a light microscope

A
  • cell wall
  • cell membrane
  • cytoplasm
  • nuceus
  • large vacuole
  • chloroplast
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18
Q

What is a cell ultrastructure?

A

it is the detail pf a structure of a cell under an electron microscope

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19
Q

What is used to see the ultrasticture ?

A

an electron microscope

20
Q

What does an electron microscope do?

A

used to magnify specimen using a beam of electrons instead of light

21
Q

Name the two types of electron microscopes and their functions.

A

transmission electron microscope allows the internal structure to be seen and a scanning electron microscope shows surfaces

22
Q

What is the protoplasm?

A

it is all the living parts of a cell

23
Q

What is the cytoplasm?

A

it is the living material outside the nucleus of a cell

24
Q

What is the function of the nosepiece?

A

to rotate the objective lenses into place

25
Q

diagram of animal cell under electron microscope

A

x

26
Q

diagram of plant cell under electron microscope

A

x

27
Q

what is a cell organelle?

A

xxx

28
Q

describe and function of cell membrane

A

x

29
Q

what is cytoplasm?

A

x

30
Q

what is the nucleus

A

x

31
Q

what is DNA

A

x

32
Q

What is a nuclear membrane?

A

x

33
Q

what is the nucleolus

A

x

34
Q

what is a small vacuole

A

xxxx

35
Q

What is a mitochondrion

A

x

36
Q

mitochondrion

A

x

37
Q

What is respiration?

A

x

38
Q

what is ribosomes

A

x

39
Q

what are chloroplasts

A

x

40
Q

what is photosynthesis

A

x

41
Q

what is a cell wall

A

x

42
Q

what is a large vacuole?

A

x

43
Q

name the differences between plant and animal cells 3

A

x

44
Q

what is a prokaryotic cell?

A

x

45
Q

what is an example of a prokaryotic cells

A

x

46
Q

What are eukaryotic cells

A

x

BIOLOGY (7 decks)

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