Dynamic Cell - Eukaryotes

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What does compartmentalisation of the cell allow
All the enzymes and compounds necessary for a process to be localised and concentrated.
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How do eukaryotes form organelles
Sub-divide specific tasks into membrane bound compartments.
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What are stem cells
Undifferentiated cells which can switch in any direction at the right time.
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How can you identify organelles (2)
Fluorescence microscopy and electron microscopy.
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What is the nucleus
A double membrane bound compartment containing the genetic information of the cell
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How is genetic information of a cell organised
Into chromosomes
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What is the nucleolus
The site of ribosomal RNA production.
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What is the rough ER, transitional ER and smooth ER
The rough ER makes secretory proteins, transitional ER is for lipid and protein transport, smooth ER is for lipid synthesis.
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What is the Golgi complex
A stack of flattened vesicles that processes and transports proteins,
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What are transport vesicles
Membrane bound small packages that contain proteins from transport/export in and out of cell.
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What is the mitochondria
A site of aerobic respiration
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What are lysosomes
Are storage for hydrolytic enzymes and are used to break up cellular components.
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What are peroxisomes
Assist lysosomes in the cell's clean up work.
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What is the cytoskeleton
The framework for cell strength, size, shape and structure
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What is the plasma membrane
Defines cell boundaries and retains cell content
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Difference between plant cells and animal cells (3)
1. Have a cell wall, large central vacuole and chloroplasts 2. nucleus, mitochondria and chloroplasts contain a double membrane 3. Mitochondria and chloroplasts have their own DNA.
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What is the central dogma of molecular biology
DNA is in the nucleus, mRNA is transcribed in the nucleus and translated in the cytosol, the ER and Golgi make it into a protein.
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What does the Nuclear Matrix do
Maintains the shape of the nucleus
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Other cards in this set

Card 2

Front

How do eukaryotes form organelles

Back

Sub-divide specific tasks into membrane bound compartments.

Card 3

Front

What are stem cells

Back

Preview of the front of card 3

Card 4

Front

How can you identify organelles (2)

Back

Preview of the front of card 4

Card 5

Front

What is the nucleus

Back

Preview of the front of card 5
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