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Edexcel AS Biology Unit 2 6B102 - Voice of the Genome £3.11   Add to cart
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  3. Queen Mary, University Of London (QMUL)
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  5. A-level Biology
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  7. Unit 2

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Edexcel AS Biology Unit 2 6B102 - Voice of the Genome

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This is one topic of biology unit 2. Although the content is specific to the edexcel exam board, a lot of the information overlaps with other examining boards. Enjoy

Last document update: 10 year ago

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  • October 25, 2014
  • October 26, 2014
  • 43
  • 2013/2014
  • Lecture notes
  • Unknown
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By: reemaal-rabie • 7 year ago

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The Voice of the Genome
• Cells and organelles
• Cell organisation
• The cell cycle and mitosis
• Production of gametes
• Fertilisation
• Stem cells and cell specialisation
• Stem cells and medical therapies
• Variation in phenotype

,Cells
• Advantage  enable complex reactions to take
place as molecules are close
• This idea is called compartmentalisation

• Internal structures called organelles separate
different metabolic processes

, Multicellular vs. unicellular
Multicellular
• Multicellular organisms are identical cells that stay and
divide together
• The majority of multicellular organisms are like
mammals (the fact that their cells grow and develop to
form a zygote)
• Mammals and plants are multicellular  means they
have many cells
Unicellular
• Unicellular organisms = structurally simple but they are
able to perform all the functions and activities of life
within a single cell
• The cell feeds, respires, sensitive to internal/external
conditions, more & may divide and reproduce

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