Science B4

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What is the Function of the Nucleus?
Contains DNA.
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What is the Function of the Cytoplasm?
To create Enzymes.
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What is the Function of the Cell Membrane?
Controls what goes in and out the Cell.
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What is the Function of the Mitochondira?
Where reactions take place e.g Anaerobic Respiration.
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Name Three things that plant cells have and animal cells don't.
Vacuole, Chloroplasts, Cell wall.
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What is a Vacuole?
A weak solution of salts and sugar.
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Yeast cells have mitochondria and a nucleus. True or False?
True!
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What type of cells have a cell wall but no Nucleus?
Bacteria.
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Give a definition of an enzyme?
Proteins that speed up Chemical Reactions.
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Describe the 'Lock and Key' Model.
This is when a substrate and a enzyme lock together without being denatured.
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Name Two things that affect how quickly an enzyme works
Temperature, PH
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What is a Denatured enzyme?
An enzyme that doesn't fit the Lock and Key Mechanism.
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Name Three things that the energy released by respiration is used for?
Movement, Active transport, Synthesis of Large Molecules.
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What type of Respiration, aerobic or anaerobic, releases more energy per glucose molecule?
Aerobic.
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What is the word equation for aerobic respiration?
Glucose+Oxygen --> Carbon dioxide + Water (+ Energy Released)
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What is the symbol equation for aerobic respiration?
C6,H12,O6+6O2 --->6CO2+ 6H2O
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Give an example of when human cells respire anaerobically?
Bacterial Cells, Human Cells.
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Briefly describe how bread is made using yeast
The yeast ferment the carbohydrates in the flour and release Carbon dioxide- this causes the bread to rise.
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Briefly describe the process of Photosynthesis
Photosynthesis is a series of chemical reactions that uses energy from sunlight to produce food.
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What is the word equation for Photosynthesis.
Carbon D
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Other cards in this set

Card 2

Front

What is the Function of the Cytoplasm?

Back

To create Enzymes.

Card 3

Front

What is the Function of the Cell Membrane?

Back

Preview of the front of card 3

Card 4

Front

What is the Function of the Mitochondira?

Back

Preview of the front of card 4

Card 5

Front

Name Three things that plant cells have and animal cells don't.

Back

Preview of the front of card 5
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