1.1.13

Animal Cells

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Animal Cell

Sub-cellular structures are things found in a cell. An animal cell contains the following sub-cellular structures:

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Cell membrane

  • The cell membrane separates the interior (inside) of the cell from the environment outside.
  • It is selectively permeable (it can control substances moving in and out of the cell).
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Nucleus

  • The nucleus controls the cell.
  • It contains chromosomes (which contain the cell's genetic material).
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Ribosomes

  • Ribosomes are responsible for synthesising (making) proteins.
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Mitochondria

  • Mitochondria are the organelles where aerobic respiration takes place, supplying energy to the cell.
  • Aerobic respiration (process which uses sugar and oxygen to release energy) releases energy in the mitochondria.
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Cytoplasm

  • Cytoplasm is a jelly-like fluid that fills the cell.
  • It is where most of the cell’s chemical reactions take place.
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Common types of animal cells

  • Skin Cells
  • Muscle Cells
  • Blood Cells
  • Nerve Cells
  • Fat Cells

Jump to other topics

1Biology

1.1Cells, Tissues & Organs

1.2Reproduction & Variation

1.3Ecological Relationships & Classification

1.4Digestion & Nutrition

1.5Plants & Photosynthesis

1.6Biological Systems & Processes

2Chemistry

2.1Particles

2.2Chemical Reactions

2.3Atoms, Elements, Compounds

2.4The Periodic Table

2.5Materials & the Earth

2.6Reactivity

2.7Energetics

2.8Properties of Materials

3Physics

3.1Energy

3.2Forces & Motion

3.3Waves

3.4Electricity & Magnetism

3.5Matter

3.6Space Physics

4Thinking Scientifically

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