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Year 7 Science 703 > Cells and the Microscope > Flashcards

Cells and the Microscope Flashcards

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1
Q

What makes up tissues?

A

Cells

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2
Q

What are cells?

A

Cells are made of organelles that make up all living things.

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3
Q

What are cells?

A

Cells are the units, from which living things are built. Every living thing is made up of cells. Cells can not be seen through the naked eye but only through a microscope.

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4
Q

What are cells produced by

A

Existing cells

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5
Q

True or false cells are the smallest unit of life

A

True

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6
Q

What are cells?

A

Cells are particles that make up all living things.

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7
Q

How many types are there and list them?

A

There are two types of cells which are animal cells and plant cells.

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8
Q

What is the heart of the cell

A

Nucleolus

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9
Q

What is a large cavity which is filled with watery fluid that stores water?

A

vacuole

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10
Q

What is a cell’s hereditary material

A

DNA

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11
Q

What do single cells form to be?

A

Tissues

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12
Q

do all plants have cells

A

Yes

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13
Q

what does Unicellular mean?

A

just a single cell

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14
Q

what does Multicellular mean?

A

many cells

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15
Q

What does the Nucleus do?

A

Controls the cell

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16
Q

What does the cell wall do?

A

Gives support, strength and protection to a cell

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17
Q

What is Cytoplasm

A

Where most of the cells activity takes place

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18
Q

What does the cell membrane do?

A

Holds the cell in shape and controls what goes in and out of the cell.

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19
Q

What is a vaccuole?

A

A large cavity which is stores food, fluids or waste

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20
Q

What does the Chloroplast do?

A

carries photosynthesis

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21
Q

How is tissue formed?

A

Cells group together to form tissue.

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22
Q

what does tissue make up?

A

Groups of tissue makes up organs in the human body.

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23
Q

What do tissues form to be?

A

Organs

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24
Q

how many types of cells are there?

A

around 200!

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25
Q

What is a leaving thing?

A

ANYTHING THAT MOVES !!!!!!!!!!!!!! x3

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26
Q

What type of microscopes are there and what is it used for?

A

There are two types of microscopes:
Stereo Microscope is used to find larger objects such as insects. This microscope can only see the outside of objects.
Compound Light Microscope is used to find blood cells. This microscope can see through things.

27
Q

What is a cell wall?

A

A cell wall is the outside of a cell that provides support and strength to the cell.

28
Q

Who was the first to learn about the cell?

A

Rudolf Virchow.

29
Q

What is the definition of cells

A

The cell is the basic structure of all living organisms

30
Q

What is there Latin name

A

Small room

31
Q

What are the 7 organelles?

A

They include: Nucleus, mitochondria, cell wall, cell membrane, vacuole, chloroplast and cytoplasm.

32
Q

What is the job of the mitochondria in a cell?

A

It’s the powerhouse of the cell and supplies energy.

33
Q

Name one person that was involved in the discovery of the cell:

A

Robert Hooke.

34
Q

Why do cells group together?

A

To form groups of tissue and organs to make up systems in the body.

35
Q

What type of acid is in every single cell?

A

DNA

36
Q

What does DNA stand for?

A

It stands for Deoxyribonucleic Acid.

37
Q

What is the job of the cell wall?

A

Gives strength and support to the cell.

38
Q

What are the three layers of the skin?

A

They include:
Epidermis
Dermis
Subcutaneous

39
Q

On a microscope, what is the object you look through?

A

An eyepiece

40
Q

What are cells mostly made of?

A

Organelles

41
Q

What is the definition of nucleus?

A

A large round structure, which is the control centre of the cell.

42
Q

What is a unicellular?

A

A single cell.

43
Q

What is a multicellular?

A

Multiple cells.

44
Q

What do plant cells include.

A

Cell wall, vacuole, cytoplasm, chloroplasts, cell membrane and nucleus.

45
Q

What is the cell membrane?

A

Cells are wrapped in this. It controls what goes in and what goes out.

46
Q

What is a cytoplasm?

A

This is the part of the cell inside the membrane but outside of the nucleus.

47
Q

What is a vacuole?

A

A large cavity which is filled with watery fluid. Vacuole stores water, food and waste.

48
Q

What makes up organs?

A

Tissues.

49
Q

How many types of cells are there?

A

Around 200.

50
Q

True or false every living thing is made up of cells.

A

True

51
Q

How many main components does a multicellular have?

A

3

52
Q

What is a microscope?

A

An optical lnstrument used for viewing very small objects.

53
Q

True or false cells are made of organelles?

A

True

54
Q

True or false all cells contain DNA.

A

True

55
Q

What is a analogy of a red blood cell

A

A red blood cell is like a droplet of water in a fog

56
Q

what is a lubricant

A

a substance used to reduce friction

57
Q

what is a cell wall made of

A

cells

58
Q

what is a organism

A

something made up of cells and organs

59
Q

can cells die

A

yes

60
Q

how many types of microscopes are there

A

2

61
Q

how do cells heal scabs

A

they create cell walls which create tissue to cover the wound

62
Q

what are the 7 organelles

A

They are Nucleus, Cell mambrane, cytoplasm, vacuole, cell wall, Chloroplast and mitochondria

63
Q

what does dna stand for

A

Deoxyribon nucleic acid

64
Q

what is the most common thing used in cures

A

A very small little bit of the partical

Year 7 Science 703 (8 decks)

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