Life's Origin and Evolution

The Origin of Life: Creation or Evolution? >Origin of Life Theories: Creation or Evolution?
> Evolution Theory and Information
> Evolution of Complexity
>>Life's origin and Evolution
>Evolution of a Protein
> Primordial Soup Evolution
>Chemistry and Entropy
> The Second Law of Thermodynamics
>DNA, RNA and protein structure
>The Origin of Life
> RNA Self Replication
> Primordial Soup Myth
> Irreducible Complexity
> DNA Evolution
>Prebiotic ATP Energy
> Natural Selection
> Intelligent Design Theory
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Was Life Created?
> The RNA World
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Eukaryotes and Prokaryotes

Figure 3.15 depicts a eukaryotic and a prokaryotic cell. The DNA in eukaryotes is bundled together with proteins to form chromosomes. This DNA resides inside the nucleus which is separated form the rest of the cell by the nuclear membrane. In prokaryotes, there is no nucleus. The DNA is usually one large circular ring, and the cell contains much less DNA. Prokaryotes are very simple organisms such as bacteria. The total information contained in their DNA is an order of magnitude less than the information found in eukaryotes. The mitochondria in eukaryotes converts sugar into ATP - the fuel for the cell. In bacteria, proteins in the cell membrane create ATP.

Figure 3.15: Prokaryotes and Eukaryotes

eukaryotes-prokaryotes.GIF (18118 bytes)

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Navigation Menu Chapter 3

Chapter 3: Information in Biology
         Transcription and Translation
         Information Using Coins
         A Four Sided Coin
         The Four Sided Coin Code
         The Information in DNA is Similar to a Four Sided Coin
         DNA Replication
         The Genetic Code
         Transcription
         Each Codon Specifies an Amino Acid
         Translation
         Proteins
         Protein Folding
         Eukaryotes and Prokaryotes
         The Accurate Trapped Scientist

PDF: Information Storage and Transfer in Life (2 Mb)

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