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S3/4 Biology > Cell Structure > Flashcards

Cell Structure Flashcards

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1
Q

Definition of uni-cellular

A

Just one cell

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2
Q

Definition of multicellular

A

Made up of many cells

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3
Q

How many structures does an animal cell have? Name them

A 
5 
Cell membrane
Cytoplasm 
Mitochondria 
Nucleus
Ribosomes
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4
Q

Plural of mitochondrion

A

Mitochondria

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5
Q

All blank are made of cells

Fill in the blank

A

Organisms

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6
Q

Cells are transparent, what can we use to allow us to see the structures in cells?

A

Stains, such as methylene blue and iodine, are used to see the structures in cells.

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7
Q

What stain is used to see plant cells?

A

Iodine solution is used to see plant cell structures

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8
Q

How many structures make up the ultrastructure of a plant cell? How many make up a green plant cell?

A

Plant cells have 7 structures which make up their ultrastructure
Green plant cells have 8 structures

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9
Q

Name the 7 structures of a plant cell

A 
The 7 structures of a plant cell are
• cell wall
• cell membrane
• cytoplasm
• vacuole 
• nucleus 
• mitochondria
• ribosomes
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10
Q

Name the extra structure in a green plant cell

A

Chloroplasts are only found in plant cells

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11
Q

What chemical is the cell membrane of plant cells made of?

A

Cellulose; this is a carbohydrate

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12
Q

Give an example of a fungi

A

Yeast

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13
Q

A fungal cell wall is not made of blank

Fill in the blank

A

Cellulose

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14
Q

How many structures are there in the ultrastructure of a fungal cell?
Name them

A 
6
• cell wall
• cell membrane 
• vacuole 
• nucleus 
• mitochondria 
• ribosomes
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15
Q

Name one way a bacteria can be useful and one way it can be harmful

A

Bacteria can be useful in making cheese

Bacteria can be harmful as it causes food poisoning such as Escheria Coli (E.Coli)

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16
Q

The bacterial cell wall is not made of blank

Fill in the blank

A

Cellulose

17
Q

How many structures make up the ultrastructure of a bacterial cell?
Name them

A 
5 
• cell wall
• cell membrane 
• circular chromosome 
• plasmid
• ribosomes
18
Q

What is the function of a cell wall

A

Provides support for the cell

19
Q

What is the function of a cell membrane

A

Controls which molecules enter and leave the cell

20
Q

What is the function of a cytoplasm

A

Site of chemical reactions

21
Q

What is the function of a vacuole

A

Contains cell sap and helps the cell wall support the cell

22
Q

What is the function of a nucleus

A

Controls cell activities

23
Q

What is the function of a mitochondria

A

Site of aerobic respiration

24
Q

What is the function of a ribosome

A

Site of protein synthesis

25
Q

What is the function of a chloroplast

A

Site of photosynthesis

Contains a pigment (coloured chemical) called chlorophyll - colours the chloroplast green

26
Q

What is the function of a plasmid

A

Transfers genetic information from cell to cell

27
Q

1 millimetre =

A

1000 micrometers (um)

28
Q

1 micrometer =

A

0.001 millimetres

29
Q

How many types of cells are there and how many possible structures can be found in the ultrastructure

A

There are 4 types of cells and 9 types of possibles structures

S3/4 Biology (3 decks)

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