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Science revision by Anna > Cells > Flashcards

Cells Flashcards

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Biology 101 flashcards
1
Q

______ are the basic units of life.

A

Cells

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2
Q

Groups of cells work together to form ______.

A

tissues

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3
Q

Groups of tissues work together to form ______.

A

organs

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4
Q

Groups of organs work together to form ______.

A

organ systems

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5
Q

Organ systems work together to form ______.

A

organisms

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6
Q

Are ears cells, tissues or organs?

A

organ

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7
Q

Is blood a cell, a tissue or an organ?

A

tissue

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8
Q

Are bones cells, tissues or organs?

A

tissue

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9
Q

Is pollen a cell, a tissue or an organ?

A

cell

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10
Q

Is the outer layer of skin a cell, a tissue or an organ?

A

tissue

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11
Q

Are muscles cells, tissues or organs?

A

tissue

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12
Q

Are nerves cells, tissues or organs?

A

cell

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13
Q

What is the tough outer covering of a plant cell called?

A

cell wall

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14
Q

Which part of a cell controls all its activities?

A

nucleus

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15
Q

Which part of a cell controls what enters and leaves a cell?

A

The cell membrane

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16
Q

What is the bag of liquid in the centre of a plant cell?

A

vacuole

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17
Q

What is the jelly-like substance in which chemical reactions take place?

A

Cytoplasm

18
Q

Which part of the cell contains chromosomes and controls the activities of the cell?

A

Nucleus

19
Q

What is the strong outer covering found around plant cells but not animal cells?

A

Cell wall

20
Q

What is the thin flexible covering, found around all cells, that controls what enters and leaves the cell?

A

Cell membrane

21
Q

What is the green covering found in some plant cells?

A

Chlorophyll

22
Q

What is the main function of the white blood cell?

A

It fights infection around the body.

23
Q

What is the main function of the red blood cell?

A

It transports oxygen around the body

24
Q

What is the main function of the ciliated cell?

A

It traps mucus in the body.

25
Q

What is the main function of the egg cell?

A

It carries the mother’s genetic information.

26
Q

What is the main function of the sperm cell?

A

It carries the father’s genetic information and fertilises the egg cell.

27
Q

Which structures are present in animal and plant cells?

A

Nucleus, cell membrane, cytoplasm

28
Q

Which structures are present only in plant cells?

A

Chloroplast, cell wall, vacuole

29
Q

What is the function of the chloroplast?

A

Makes glucose by photosynthesis

30
Q

What is the function of the cell membrane?

A

Controls what enters and leaves the cell

31
Q

What is the function of the cell wall?

A

Supports and protects the cell

32
Q

What is the function of the cytoplasm?

A

Metabolic reactions occur here

33
Q

What is the function of the vacuole?

A

Stores water and mineral ions

34
Q

What is the function of the nucleus?

A

Controls the cell

35
Q

How is a sperm cell specialised?

A

It is designed to fertilise eggs, small, has a long tail that provides movement so it can swim and find an egg cell and the head contains enzymes which allow it to digest into an egg cell and join with it.

36
Q

How is the egg (ovum) cell specialised?

A

It is designed to be fertilised, large and bulky and contains yolk which provides a large food store for the new cell being formed.

37
Q

How is the palisade cell specialised?

A

It is designed for photosynthesis, tall, has a large surface area to absorb water and minerals and is packed with chloroplasts to help make plant food.

38
Q

How is the ciliated cell specialised?

A

It is designed to stop lung damage, they have tiny hairs called cilia that sweep mucus with trapped dust and bacteria back up the throat

39
Q

How is the root hair cell specialised?

A

It is designed for absorbing water and minerals, has a large surface which helps it to absorb the water and minerals and it has a thin cell wall that makes it easy for minerals to pass through.

40
Q

How are nerve cells (neurones) specialised?

A

They are long, have connections at each end and can carry electrical signals.

41
Q

How is the red blood cell specialised?

A

It is designed to carry oxygen, has a large surface area, for oxygen to pass through, has no nucleus and contains haemoglobin, which joins with oxygen.

Science revision by Anna (14 decks)

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