Lec_1 - BMB/Micro 251, section 1 Molecular & Cellular...

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BMB/Micro 251, section 1 Dr. David Gilmour, 208 Althouse, 863-8905, dsg11@psu.edu Class notes are posted on ANGEL. Review questions will also be posted on ANGEL. Office hours in 208 Althouse: Wednesday 1:30 - 3:30 or by appointment. Times for exams and review sessions are presented on the syllabus.
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Cells are the basic unit of life. Bacteria (procaryote) Animal cell (eucaryote) Virus - not considered living organisms Living organisms vary greatly, but are remarkable similar at a molecular level. All cells reproduce and require energy.
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All cells store their hereditary information in the same linear chemical code, DNA. Hereditary information: the information encoding the characteristics of a cell that are transferred to the progeny. Information is encoded by the linear array of nucleotides constituting a DNA molecule. All DNA is composed of 4 nucleotides that are abbreviated A, T, C, or G.
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Molecular Biology of the Cell , Fifth Edition (© Garland Science 2008) All cells replicate their hereditary information by templated polymerization. Nucleotide = phosphate, sugar, base; only the base differs. Arrangement of nucleotides forms the genetic code.
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Lec_1 - BMB/Micro 251, section 1 Molecular & Cellular...

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