Logged out
Access All our Essays in an Instant
Swap your work for FREE access, or pay £4.99 for instant access
Persuade a creationist that the endosymbiont theory is correct.
Member rating: No Rating | Words: | Submitted: Thu Feb 19 2004
Page Preview
On the left is an image preview of every page of this document, and below are the first 150 words with formatting removed:
Persuade a creationist that the endosymbiont theory is correct. all life forms on Earth are made of cells. Eukaryotic cells have a cell nucleus separated from the rest of the cell contents (the cytoplasm) by a nuclear membrane. The nucleus contains DNA on chromosomes, whilst within the cytoplasm are distinct membrane-bounded organelles, which perform specific tasks. The more ancient prokaryotic cells on the other hand, (bacteria and Cyano-bacteria) carry their genetic material in simple strands of DNA that is not separated from the cytoplasm by a nuclear membrane. They reproduce asexually. Eukaryotic cells reproduce sexually, mixing genes between individuals and passing genetic variations to their offspring. Sexual reproduction allows more genetic combinations, so only not can eukaryotic cells be larger and more complex than prokaryotic cells, but also their ability for sexual reproduction made it more plausible for multi-cellular plants and animals to evolve. Eukaryotic cells are therefore the key...
To see the full version of this document, and 145,270 others
