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R And K Selection

Paul Andersen explains how aposematic coloration (or warning coloration) is used for protection in the natural world. He explains how bright colors can be caused by either sexual selection or ...

Paul Andersen explains how aposematic coloration (or warning coloration) is used for protection in the natural world. He explains how ...

Paul Andersen explains how aposematic coloration (or warning coloration) is used for protection ...

R And K Selection

Paul Andersen explains the differences between an r and a K selected species. He starts with a brief description of population growth noting the importance of; r or growth rate, N or number of individuals in the population, and K the carrying capacity. He describes three different survivorship curves found in organisms. He lists the characteristics of r-selected species like bacteria and K-selected species like humans. Intro Music Atribution Title: I4dsong_loop_main.wav ...

Paul Andersen explains the differences between an r and a K selected species. He starts with a brief description of population growth noting the importance of; r or growth rate, N or number of individuals in the population, and K ...

Paul Andersen explains the differences between an r and a K selected species. He starts with a brief description of population growth noting the importance ...

Molecular Biology

Paul Andersen explains the major procedures in molecular biology. He starts with a brief description of Taq polymerase extracted from the hot pools of Yellowstone Park. He then uses the analogy of the ransom note to explain each of the processes that are required in genetic engineering. He explains how DNA is cut using restriction enzymes and glued using hydrogen bonds. He explains how gel electrophoresis can be used to sort DNA according to length ...

Paul Andersen explains the major procedures in molecular biology. He starts with a brief description of Taq polymerase extracted from the hot pools of Yellowstone Park. He then uses the analogy of the ransom note to explain each of the ...

Paul Andersen explains the major procedures in molecular biology. He starts with a brief description of Taq polymerase extracted from the hot pools of Yellowstone ...

Mutations

Paul Andersen describes the major mutations found in the living world. He starts with an analogy comparing the information in DNA with the information in a recipe. Changes in the DNA can result in changes to the protein, like changes in the recipe can result in changes in the food. He describes the three major point mutations; substitutions, deletions and insertions. He also describes several chromosomal mutations. Intro Music Atribution Title: I4dsong_loop_main....

Paul Andersen describes the major mutations found in the living world. He starts with an analogy comparing the information in DNA with the information in a recipe. Changes in the DNA can result in changes to the protein, like changes ...

Paul Andersen describes the major mutations found in the living world. He starts with an analogy comparing the information in DNA with the information in ...

Aposematic Coloration

Paul Andersen explains how aposematic coloration (or warning coloration) is used for protection in the natural world. He explains how bright colors can be caused by either sexual selection or a warning coloration to predators. He also explains how organisms can use this coloration to mimic other organisms with a similar pattern. He differentiates between Batesian and Müllerian mimicry. Intro Music Atribution Title: I4dsong_loop_main.wav Artist: CosmicD Link to sound: www....

Paul Andersen explains how aposematic coloration (or warning coloration) is used for protection in the natural world. He explains how bright colors can be caused by either sexual selection or a warning coloration to predators. He also explains how organisms ...

Paul Andersen explains how aposematic coloration (or warning coloration) is used for protection in the natural world. He explains how bright colors can be caused ...

Coupled Reactions

Paul Andersen explains the importance role of coupled reactions in biology. He starts by explaining how the power of a river can be harnessed by a water mill to grind grains. He describes the importance of ATP and how it is used within living organisms. He highlights many of the coupled reactions between the Sun and your thumb. He finishes the podcast by talking about REDOX reactions where oxidation is the losing of electrons and ...

Paul Andersen explains the importance role of coupled reactions in biology. He starts by explaining how the power of a river can be harnessed by a water mill to grind grains. He describes the importance of ATP and how it ...

Paul Andersen explains the importance role of coupled reactions in biology. He starts by explaining how the power of a river can be harnessed by ...

Proteins

Paul Andersen explains the structure and importance of proteins. He describes how proteins are created from amino acids connected by dehydration synthesis. He shows the importance of chemical properties in the R-groups of individual amino acids in the polypeptide. He explains the four levels of protein folding and gives you an opportunity to fold proteins of your own using the game Foldit: Download the video game foldit here: fold.it/portal/ Intro Music Atribution Title: ...

Paul Andersen explains the structure and importance of proteins. He describes how proteins are created from amino acids connected by dehydration synthesis. He shows the importance of chemical properties in the R-groups of individual amino acids in the polypeptide. He ...

Paul Andersen explains the structure and importance of proteins. He describes how proteins are created from amino acids connected by dehydration synthesis. He shows the ...

Nucleic Acids

Paul Andersen explains the importance and structure of nucleic acids. He begins with an introduction to DNA and RNA. He then describes the important parts of a nucleotide and shows how they are connected through covalent and hydrogen bonding. Click here to watch the Secret of Life video: www.youtube.com/watch?v=-8abAqoD650&feature=plcp Click here to play the eteRNA video game: eterna.cmu.edu/ Intro Music Atribution Title: I4dsong_loop_...

Paul Andersen explains the importance and structure of nucleic acids. He begins with an introduction to DNA and RNA. He then describes the important parts of a nucleotide and shows how they are connected through covalent and hydrogen bonding. Click ...

Paul Andersen explains the importance and structure of nucleic acids. He begins with an introduction to DNA and RNA. He then describes the important parts ...

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