• Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

Compare and Contrast, Eukaryote and Prokaryote Cells

Extracts from this document...


´╗┐The Prokaryotic and Eukaryotic cell. In the early 1950?s, building on Darwin?s idea of a ?warm little pond? giving rise to the first life (99% Ape), Stanley Miller, at the University of Chicago, introduced sparks of electricity, simulating lightening, to a mixture of gases and other substances thought to have made up the earths early atmosphere and oceans, in order to see if this was in fact how the first life began. This experiment, and similar, have thus far turned up nothing more than the formation of some amino acids.(Bill Bryson) Further research has given scientists a more well formed idea that the first signs of life would have arisen at the bottom of the ocean around hydrothermal vents(Nick Lane). Whichever theory proves true, life started off with just a few positively tiny things. It is thought that these amino acids would have arranged into macromolecules such as proteins and amino acids, which are crucial building blocks of life.(NCBI) ...read more.


Phospholipids are made up of a phosphate head which is hydrophilic, and as such can face towards the water on both the outside and the inside of the cell, with the hydrophobic fatty acid tails facing in towards each other. In both cases, this layer is responsible for isolating the cells contents from the outside world, and allowing transport into and out of the cell, as well as providing a shape for the cell. It is arranged in what is known as the ?Fluid Mosaic Model?. This is due to the arrangement of proteins set within the two phospholipid layers, which can move freely around within the membrane. Prokaryotic cells are also contained within a cell wall, as well as a cell membrane, a feature found in some eukaryotic cells. Another feature sometimes shared by prokaryotic and eukaryotic cells are flagella, which are small projections from the cell which enable locomotion. ...read more.


They both contain an organelle known as the endoplasmic reticulum, takes part in synthesising proteins and lipids, in the rough and smooth endoplasmic reticulum respectively, and send them off to the Golgi apparatus. In both plant and animal cells, this is the organelle responsible for processing proteins, and enzymes, and is also involved in producing lysosomes - a very small organelle responsible for ridding the cell of waste organelles and involved in the destruction of the cell itself (Class notes). Silvertown, J. (2008) 99% Ape: How Evolution Adds Up. 2nd ed. London: Natural History Museum. 41-46 Bryson, B. (2003) A Short History of Nearly Everything ?.ed. Great Britain: Black Swan. 350. http://biology.about.com/od/cellanatomy/p/ribosomes.htm (09/10/2011) http://www.ncbi.nlm.nih.gov/books/NBK9841/ (28/09/2011) Lane, N. (2009) Life Ascending: The Ten Great Inventions of Evolution ?.ed. London: Profile Books Ltd Watson, J.D. (1968) The Double Helix: The Discovery of the Structure of DNA Great Britain : Phoenix Kent, M. (2000) Advanced Biology 20th ed. Oxford: Oxford University Press 0 ...read more.

The above preview is unformatted text

This student written piece of work is one of many that can be found in our GCSE Life Processes & Cells section.

Found what you're looking for?

  • Start learning 29% faster today
  • 150,000+ documents available
  • Just £6.99 a month

Not the one? Search for your essay title...
  • Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

See related essaysSee related essays

Related GCSE Life Processes & Cells essays

  1. Stephen Blackpool: The Pathetic Figure.

    and he felt it in his heart a noble return for his late injurious treatment to be faithful to the last to those who repudiated him. He stayed to finish what was in his mind." Dickens also comments that the gap between the rich, capitalist, and the poor, the workers, is wide and hard to correct.

  2. Science and Evolution

    Sixth day: Animals & people g. Seventh day: God Rested Science did not prove or come up with any of ideas behind Genesis and the creation of the world; or more broadly did it prove any religious belief. There were not any facts or proof behind any of the stories.

  1. Structures and functions in living organisms. Revision Notes

    2.35 Recall the word equation and the balanced chemical symbol equation for aerobic respiration in living organisms Glucose + Oxygen --------------> Carbon Dioxide + Water (+ Energy) C6H12O6 + 6O2 --------------> 6CO2 + 6H2O (+ Energy) 2.36 Recall the word equation for anaerobic respiration in plants and in animals ANIMALS Glucose ------------> Lactic Acid (+ Energy)

  2. James Watson and Francis Cricks Discovery of DNA

    keeping them hydrated, Wilkins had got X-ray photographs of DNA, this showed that the DNA was a thin strand with a crystal like structure with threads. By 1951 Wilkins had evidence that DNA in cells had a helical structure, with these findings Wilkins went on to deconstruct the B form

  • Over 160,000 pieces
    of student written work
  • Annotated by
    experienced teachers
  • Ideas and feedback to
    improve your own work