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Compare and contrast a Chloroplast and a Mitchochondria

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  • Essay length: 1219 words
  • Submitted: 26/08/2003
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AS and A Level Molecules & Cells

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Compare and contrast a Chloroplast and a Mitchochondria

Mitochondria

Mitochondria are small shaped structures found in the hyaloplasm (clear cytoplasm) of the cell, are responsible for energy production. Mitochondria contain enzymes that help convert food material into adenosine triphosphate (ATP), which can be used directly by the cell as an energy source. Mitochondria are usually near cellular structures that require large inputs of energy, such as the flagellum, which is responsible for movement in sperm cells and single-celled plants and animals.

Mitochondria are the powerhouses of the animal cell, where the products of the enzyme breakdown, or metabolism, of nutrients such as glucose are converted into energy in the form of the molecule adenosine triphosphate (ATP). This process uses up oxygen and is called aerobic respiration.

Plants possess, in addition to mitochondria, similar organelles called chloroplasts. Each chloroplast contains the green pigment chlorophyll, which is used to convert light energy from the sun into ATP. This process is called photosynthesis.

Chloroplast is the structure in the cells of plants and algae where photosynthesis takes place. Chloroplasts are mostly disk-shaped organelles. They occur mostly together in leaf cells, where they can apparently

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