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Class Announcements
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Classification
We are beginning our unit on biological classification. Biological classification is a method by which biologists group and categorize organisms by biological type, such as genus or species. Biological classification is a form of scientific taxonomy, but should be distinguished from folk taxonomy, which lacks scientific basis. Modern biological classification has its root in the work of Carolus Linnaeus, who grouped species according to shared physical characteristics. These groupings have since been revised to improve consistency with the Darwinian principle of common descent. Molecular phylogenetics, which uses DNA sequences as data, has driven many recent revisions and is likely to continue to do so.
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SOL CLASSIFICATION
BIO.7   The student will investigate and understand bases for modern classification systems. Key concepts include
a)      structural similarities among organisms;
b)      fossil record interpretation;
c)      comparison of developmental stages in different organisms;
d)      examination of biochemical similarities and differences among organisms; and
e)      systems of classification that are adaptable to new scientific discoveries.
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Protein Synthesis
We are currently studying DNA and RNA. Students are learning about the discovery of DNA, transformations, DNA replication, three main types of RNA: messenger RNA, ribosomal RNA, and transfer RNA, transcription, and translation.
Genetics and DNA
BIO.6   The student will investigate and understand common mechanisms of inheritance and protein synthesis. Key concepts include
a)      cell growth and division;
b)      gamete formation;
c)      cell specialization;
d)      prediction of inheritance of traits based on the Mendelian laws of heredity;
e)      genetic variation (mutation, recombination, deletions, additions to DNA);
f)       the structure, function, and replication of nucleic acids (DNA and RNA);
g)      events involved in the construction of proteins;
h)      use, limitations, and misuse of genetic information; and
i)        exploration of the impact of DNA technologies.
Discussion Topics
Class Homework
No "Class Homework" exist(s)

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