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biology (year 7) > Introduction to Cells (in order) > Flashcards

Introduction to Cells (in order) Flashcards

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1
Q

Which three structures are included in a typical animal cell?

A

Nucleus, cell membrane, cytoplasm

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2
Q

Which structure found in both plant and animal cells contains the genetic information, otherwise known as DNA, and controls the actions and the reactions of the cell?

A

Nucleus

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3
Q

In both plant and animal cells, what is the name of the material which the nucleus contains, and what two-word term describes this material?

A

DNA, which is the genetic information

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4
Q

In both plant and animal cells, what is the function of the nucleus?

A

It controls the actions and the reactions of the cell

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5
Q

Which structure found in both plant and animal cells is the border of the cell, acts as the gatekeeper and controls what enters and exits the cell, as well as enabling neighbouring cells to stick to one another?

A

Cell membrane

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6
Q

In both plant and animal cells, what is the location of the cell membrane?

A

It is the border of the cell

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7
Q

In both plant and animal cells, what are the two functions of the cell membrane?

A
  1. It acts as the gatekeeper and controls what enters and exits the cell. 2. It enables neighbouring cells to stick to one another
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8
Q

Which structure found in both plant and animal cells is the site of the cell’s chemical reactions?

A

Cytoplasm

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9
Q

In both plant and animal cells, the cytoplasm is the site of what type of activity?

A

Chemical reactions

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10
Q

In both plant and animal cells, which activity does the Fuse video give as an example of a chemical reaction which occurs in the cytoplasm?

A

Respiration

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11
Q

In both plant and animal cells, respiration takes place in specialised structures within the cytoplasm called what?

A

Mitochondria

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12
Q

Which three structures does the Fuse video give as examples of extra structures which are included in plant cells but not in animal cells?

A

Cell wall, chloroplast, vacuole

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13
Q

In plant cells, which structure is made of cellulose and provides support for the shape of the cell?

A

Cell wall

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14
Q

In plant cells, of what ‘material’ is a cell wall made?

A

Cellulose

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15
Q

In plant cells, what is the function of the cell wall?

A

It provides support for the shape of the cell

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16
Q

In plant cells, which structure is filled with a chemical called chlorophyll?

A

Chloroplast

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17
Q

In plant cells, with which chemical are chloroplasts filled?

A

Chlorophyll

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18
Q

In plant cells, which substance (which fills a specific structure) enables plant cells to absorb light so it can be used in photosynthesis?

A

Chlorophyll

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19
Q

In plant cells, what does chlorophyll enable the cells to do?

A

It enables plant cells to absorb light so it can be used in photosynthesis

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20
Q

In plant cells, which chemical (which fills a specific structure) is the substance that gives a plant its green colour?

A

Chlorophyll

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21
Q

In plant cells, as well as enabling plant cells to absorb light so it can be used in photosynthesis, what other effect does chlorophyll have?

A

It is the substance that gives a plant its green colour

22
Q

In plant cells, which structure is filled with a watery substance called cell sap, which contains dissolved sugars, and has the roles of providing support for the cell shape and storing sugars?

A

Vacuole

23
Q

In plant cells, what is the name of the substance with which the vacuole is filled, and how can it be described (in terms of its texture and what it contains)?

A

Cell sap, which is a watery substance that contains dissolved sugars

24
Q

In plant cells, what are the two roles of the vacuole?

A
  1. Providing support for the cell shape 2. Storing sugars
25
Q

Which three specialised cells are described in the Fuse video?

A

Red blood cells, nerve cells and white blood cells

26
Q

Which specialised cell does not possess a nucleus, which ensures that it has got space to be able to absorb and transport as much oxygen as possible?

A

Red blood cells

27
Q

What is unusual about the structures possessed by red blood cells, and what is the reason for this unusual feature?

A

Red blood cells do not possess a nucleus, which ensures that they have got space to be able to absorb and transport as much oxygen as possible

28
Q

Which cells are specialised in that they have branched endings called dendrites, which is so that they can communicate with lots of other cells of the same type?

A

Nerve cells

29
Q

What is the special feature of nerve cells, what is this feature called, and what is the reason for this feature?

A

They have branched endings called dendrites, which is so that they can communicate with lots of other nerve cells

30
Q

What is the purpose of the long axons found within nerve cells?

A

It is along these axons that the electrical message can travel

31
Q

What name is given to the long projection of a nerve cell along which the electrical message can travel?

A

Axon

32
Q

Which specialised cells enable us to fight infections?

A

White blood cells

33
Q

What is the broad purpose of white blood cells?

A

To enable us to fight infections

34
Q

Which specialised cells can be identified by the characteristic lobed nucleus?

A

White blood cells

35
Q

Which structure in a white blood cell has a characteristic shape, and what is this shape?

A

The nucleus is characteristically lobed

36
Q

Which specialised cells have a flexible cytoplasm so that they can engulf pathogens in a process called phagocytosis?

A

White blood cells

37
Q

Which structure in a white blood cell is flexible, and what is the function of this flexible structure?

A

A flexible cytoplasm, so that they can engulf pathogens in a process called phagocytosis

38
Q

Some instances of which type of specialised cell are specialised to produce the antibodies that fight pathogens?

A

White blood cells

39
Q

What name is given to the substances produced by some white blood cells to fight pathogens?

A

Antibodies

40
Q

What type of cell is this?

A

Animal cell

41
Q

What type of cell is this, and which structure within it is indicated by the arrow?

A

Animal cell: nucleus

42
Q

What type of cell is this, and which structure within it is indicated by the arrow?

A

Animal cell: cell membrane

43
Q

What type of cell is this, and which structure within it is indicated by the arrow?

A

Animal cell: cytoplasm

44
Q

What type of cell is this?

A

Plant cell

45
Q

What type of cell is this, and which structures within it are indicated by arrows 1, 2 and 3?

A

Plant cell: 1 is cytoplasm, 2 is cell membrane, 3 is nucleus

46
Q

What type of cell is this, and which structure within it is indicated by the arrow?

A

Plant cell: Cell wall

47
Q

What type of cell is this, and which structure within it is indicated by the arrow?

A

Plant cell: Chloroplast

48
Q

What type of cell is this, and which structure within it is indicated by the arrow?

A

Plant cell: Vacuole

49
Q

What type of cell is this?

A

Red blood cell

50
Q

What type of cell is this, and what are the names for the features within it labelled as 1 and 2?

A

Nerve cell: 1 are dendrites and 2 is an axon

51
Q

What type of cell is this, and what descriptions (two words in each case) can be applied to the features within it labelled as 1 and 2?

A

White blood cell: 1 is the flexible cytoplasm, and 2 is the lobed nucleus

biology (year 7) (9 decks)

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