Science Unit 5- B2.1

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What does the cell membrane do?
Controls movement into and out of the cell
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Where do most chemical reactions take place?
The cytoplasm
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What does the nucleus do?
It controls what the cell does and contains genetic information
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What are ribosomes?
Found in plant and animal cells and its where protein synthesis occurs
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The vacuole..?
Supports the cell
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What don't red blood cells have and what are they packed full of?
They don't have a nucleus so they can be packed full of Haemoglobin in order to carry lots of oxygen
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What is diffusion?
The spreading of the particles of a gas
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What is the net movement during diffusion?
A region where they are at a high concentration to a region where they are at a lower concentration
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Give a fact about concentration and diffusion
The greater the difference in concentration, the faster the rate of diffusion
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Does diffusion need energy?
No, diffusion can take place automatically, without the need for energy
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Other cards in this set

Card 2

Front

Where do most chemical reactions take place?

Back

The cytoplasm

Card 3

Front

What does the nucleus do?

Back

Preview of the front of card 3

Card 4

Front

What are ribosomes?

Back

Preview of the front of card 4

Card 5

Front

The vacuole..?

Back

Preview of the front of card 5
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Comments

wsstaaiabarahim

Thanks :)

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