Biology

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Describe a yeast cell
A single cell organism that has a nucleus, a cell membrane and wall and cytoplasm.
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Instead of a nucleus what do bacterial cells have?
Genetic material.
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Describe diffusion
The movement of a substance in high concentration to an area of low concentration.
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Where does diffusion occur?
In gases and solutions.
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What affects the rate of diffusion?
Concentration, temperature, surface area and pressure.
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How are some plant cells specialised?
Leaf cells are packed with chloroplast so that they can photosynthesise easily.
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How are some animal cells specialised?
Sperm cells have a streamline head shape to swim though the water to the female egg.
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Name 3 types of tissues found in large molecular animals?
Muscular tissue, glandular tissue and epithelial tissue.
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Card 2

Front

Instead of a nucleus what do bacterial cells have?

Back

Genetic material.

Card 3

Front

Describe diffusion

Back

Preview of the front of card 3

Card 4

Front

Where does diffusion occur?

Back

Preview of the front of card 4

Card 5

Front

What affects the rate of diffusion?

Back

Preview of the front of card 5
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