P1 - 1.1 Cell Structure Flashcards

Cell Biology

1
Q

What are the 2 main categories of cells

A

Eukaryotic
Prokaryotic

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2
Q

Give 2 examples of eukaryotic cells

A

Animal cell
Plant cell

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3
Q

Give an example of a prokaryotic cell

A

Bacteria cell

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4
Q

Sort these cells into eukaryotic and prokaryotic

Animal cell
Bacteria cell
Plant cell

A

Prokaryotic: bacteria cell

Eukaryotic: animal cell, plant cell

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5
Q

Draw and label an animal cell

A

Must contain:
Nucleus
Ribosomes
Mitochondria
Cell membrane
Cytoplasm

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6
Q

Draw and label a plant cell

A

Must contain:
Cell wall
Cell membrane
Cytoplasm
Permanent vacuole
Nucleus
Mitochondria
Ribosomes
Chloroplasts

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7
Q

Draw and label a bacteria cell

A

Must contain:
Flagella
Plasmid
Cell wall
Cell membrane
Ribosomes
Circular strand of DNA

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8
Q

What are cells

A

Cells are the building blocks of life

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9
Q

What is the definition of cells

A

The smallest unit of life that can replicate independently

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10
Q

How do animal and plant cells replicate (in numbers)

A

1 - 2 - 4

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11
Q

True or false:
Each individual bacteria cell is a whole organism

A

True

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12
Q

True or false:
Each individual animal cell is a whole organism

A

False

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13
Q

True or false:
Each individual plant cell is a whole organism

A

False

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14
Q

How do bacteria cells replicate (in numbers)

A

1 - 2 - 4
(Also asexual reproduction)

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15
Q

What type of reproduction do animal cells undergo

A

Sexual reproduction

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16
Q

What type of reproduction do plant cells undergo

A

Sexual reproduction

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17
Q

What type of reproduction do bacteria cells undergo

A

Asexual reproduction

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18
Q

Are animal cells multicellular or unicellular

A

Multicellular

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19
Q

Are plant cells multicellular or unicellular

A

Multicellular

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20
Q

Are bacteria cells multicellular or unicellular

A

Unicellular

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21
Q

Is multicellular eukaryotic or prokaryotic

A

Eukaryotic

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22
Q

Is unicellular eukaryotic or prokaryotic

A

Prokaryotic

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23
Q

Why do animal and plant cells replicate

A

To grow
To replace dead cells

24
Q

How many types of cells do humans have

A

Hundreds of

25
How many cells does an adult have
over 40 trillion
26
What are sub-cellular structures
Structures found inside a cell Etc. nucleus, ribosomes, chloroplasts
27
What is another name for sub-cellular structures
Organelles
28
What is the role of the cell membrane
To control what substances pass in and out of the cell
29
What is the role of the nucleus
Contains the genetic material/ DNA for the cell and therefore has overall control of the cell
30
What is the role of cytoplasm
A jelly like substance that fills the cell acting as a place for all other sub-cellular structures to sit in Where chemical reactions take place
31
What is the role of mitochondria
Provides the cells with the energy they need to function - breaks down sugars (glucose) in a process called aerobic respiration releasing energy for cell to use
32
What is the role of Ribosomes
Site of protein synthesis Where proteins are made
33
What sub-cellular structures do both animal and plant cells have in common?
- cell membrane - nucleus - cytoplasm - mitochondria - ribosomes
34
What is the role of the cell wall
- rigid cell walls - made up of cellulose Cellulose is really strong and provides support and structure to the cell to prevent it from shrinking or bursting
35
What is the role of a permanent vacuole
A bug sack containing cell sap which is a mixture of sugars, salts and water that the cell can use when it needs to
36
What is the role of chloroplasts
- has a green pigment called chlorophyll Used for photosynthesis Carbon dioxide + water -> glucose + oxygen
37
What colour is chlorophyll
Green
38
Where is chlorophyll found
Inside chloroplasts it is the green pigment called chlorophyll
39
What does chlorophyll do
Absorbs the energy from sunlight that is needed for photosynthesis
40
True or False: Bacteria cells have a nucleus
False They have circular strands of DNA
41
True or False: Bacteria cells do not have a nucleus
True They have circular strands of DNA
42
What extra gene can plasmids have
They can be antibiotic resistant
43
What names does the circular strand of DNA have in a bacteria cell
- circular chromosome Nucleoid
44
What does the circular strand of DNA have
Genes they need to survive and reproduce
45
What is the function of the flagella in a bacteria cell
Thread like structure that rotate to propel the bacteria to give the cell movement
46
In a plant, animal and bacteria cells state whether you can find: Cell wall
Bacteria cell Plant cell
47
In a plant, animal and bacteria cells state whether you can find: Cell membrane
Animal cell Plant cell Bacteria cell
48
In a plant, animal and bacteria cells state whether you can find: Cytoplasm
Animal cell Bacteria cell Plant cell
49
In a plant, animal and bacteria cells state whether you can find: Mitochondria
Animal cell Plant cell
50
In a plant, animal and bacteria cells state whether you can find: Ribosomes
Animal cell Bacteria cell Plant cell
51
In a plant, animal and bacteria cells state whether you can find: Nucleus
Animal cell Plant cell
52
In a plant, animal and bacteria cells state whether you can find: Permanent vacuole
Plant cell
53
In a plant, animal and bacteria cells state whether you can find: Chloroplasts
Plant cell
54
In a plant, animal and bacteria cells state whether you can find: Flagella
Bacteria cell
55
In a plant, animal and bacteria cells state whether you can find: Circular strand of DNA
Bacteria cell
56
Which is larger a prokaryotic cell or a eukaryotic cell
Eukaryotic cells are larger