Microbiology (41)

Foundations

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Prokaryotes & Eukaryotes

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Metabolism

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Growth

  • Microbiology, part 31: Growth - Culture Media

    Microbiology, part 31: Growth - Culture Media

    Cathy Parkes RN, BSN, PHN, CWCN

    Culture media. Difference between chemically defined media, complex media, selective media, differential media, and enrichment media.

    Microbiology, part 31: Growth - Culture Media

    Cathy Parkes RN, BSN, PHN, CWCN

    Culture media. Difference between chemically defined media, complex media, selective media, differential media, and enrichment media.

  • Microbiology, part 30: Growth - Microbial Growth Requirements

    Microbiology, part 30: Growth - Microbial Growth Requirements

    Cathy Parkes RN, BSN, PHN, CWCN

    Requirements for microbial growth. Oxygen requirements and the difference between obligate aerobes, obligate anaerobes, facultative anaerobes, aerotolerant anaerobes, microaerophiles, and capnophiles. Temperature requirements and the difference between mesophiles, psychrotrophs, psychrophiles,...

    Microbiology, part 30: Growth - Microbial Growth Requirements

    Cathy Parkes RN, BSN, PHN, CWCN

    Requirements for microbial growth. Oxygen requirements and the difference between obligate aerobes, obligate anaerobes, facultative anaerobes, aerotolerant anaerobes, microaerophiles, and capnophiles. Temperature requirements and the difference between mesophiles, psychrotrophs, psychrophiles,...

  • Microbiology, part 29: Growth - Biofilms & Quorum Sensing

    Microbiology, part 29: Growth - Biofilms & Quorum Sensing

    Cathy Parkes RN, BSN, PHN, CWCN

    Biofilms, including what a biofilm is, how biofilms form, and key characteristics of biofilms. Quorum sensing, including what quorum sensing is and how it works.

    Microbiology, part 29: Growth - Biofilms & Quorum Sensing

    Cathy Parkes RN, BSN, PHN, CWCN

    Biofilms, including what a biofilm is, how biofilms form, and key characteristics of biofilms. Quorum sensing, including what quorum sensing is and how it works.

  • Microbiology, part 28: Growth - Measurement of Bacterial Growth

    Microbiology, part 28: Growth - Measurement of Bacterial Growth

    Cathy Parkes RN, BSN, PHN, CWCN

    Direct methods of measuring bacterial growth, including a direct cell count, plate count, membrane filtration, and the Most Probable Number method (MPN method). Steps involved in serial dilution in preparation...

    Microbiology, part 28: Growth - Measurement of Bacterial Growth

    Cathy Parkes RN, BSN, PHN, CWCN

    Direct methods of measuring bacterial growth, including a direct cell count, plate count, membrane filtration, and the Most Probable Number method (MPN method). Steps involved in serial dilution in preparation...

  • Microbiology, part 27: Growth - Plating Methods

    Microbiology, part 27: Growth - Plating Methods

    Cathy Parkes RN, BSN, PHN, CWCN

    Plating methods, including the pour plate method and spread plate method. Basic steps involved in each method and what kind of bacteria can be grown using each method.

    Microbiology, part 27: Growth - Plating Methods

    Cathy Parkes RN, BSN, PHN, CWCN

    Plating methods, including the pour plate method and spread plate method. Basic steps involved in each method and what kind of bacteria can be grown using each method.

  • Microbiology, part 26: Growth - Binary Fission & Bacterial Growth

    Microbiology, part 26: Growth - Binary Fission & Bacterial Growth

    Cathy Parkes RN, BSN, PHN, CWCN

    Binary fission, including the steps involved in binary fission. "generation time" or "doubling time", and the different bacterial growth curve phases. This includes the lag phase, log phase, stationary phase,...

    Microbiology, part 26: Growth - Binary Fission & Bacterial Growth

    Cathy Parkes RN, BSN, PHN, CWCN

    Binary fission, including the steps involved in binary fission. "generation time" or "doubling time", and the different bacterial growth curve phases. This includes the lag phase, log phase, stationary phase,...

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Genetics

  • Microbiology, part 41: Genetics - Biotechnology

    Microbiology, part 41: Genetics - Biotechnology

    Cathy Parkes RN, BSN, PHN, CWCN

    Terms and concepts related to biotechnology that you likely have to know for your Microbiology class, including genetic engineering, recombinant DNA technology, transgenic organisms, molecular cloning, restriction enzymes, sticky ends...

    Microbiology, part 41: Genetics - Biotechnology

    Cathy Parkes RN, BSN, PHN, CWCN

    Terms and concepts related to biotechnology that you likely have to know for your Microbiology class, including genetic engineering, recombinant DNA technology, transgenic organisms, molecular cloning, restriction enzymes, sticky ends...

  • Microbiology, part 40: Genetics - Gene Regulation

    Microbiology, part 40: Genetics - Gene Regulation

    Cathy Parkes RN, BSN, PHN, CWCN

    Gene regulation; operons and their parts, including the promoter, operator, and structural genes; regulatory genes and the difference between an activator and repressor; constitutively expressed genes & examples; repressible operons,...

    Microbiology, part 40: Genetics - Gene Regulation

    Cathy Parkes RN, BSN, PHN, CWCN

    Gene regulation; operons and their parts, including the promoter, operator, and structural genes; regulatory genes and the difference between an activator and repressor; constitutively expressed genes & examples; repressible operons,...

  • Microbiology, part 39: Genetics - Horizontal Gene Transfer

    Microbiology, part 39: Genetics - Horizontal Gene Transfer

    Cathy Parkes RN, BSN, PHN, CWCN

    Horizontal gene transfer; an overview of transformation, transduction, conjugation, and transposons; conjugation and its process; transposons, including the difference between replicative and nonreplicative transposons.

    Microbiology, part 39: Genetics - Horizontal Gene Transfer

    Cathy Parkes RN, BSN, PHN, CWCN

    Horizontal gene transfer; an overview of transformation, transduction, conjugation, and transposons; conjugation and its process; transposons, including the difference between replicative and nonreplicative transposons.

  • Microbiology, part 38: Genetics - Replica Plating & Ames Test

    Microbiology, part 38: Genetics - Replica Plating & Ames Test

    Cathy Parkes RN, BSN, PHN, CWCN

    Replica Plating and the Ames Test: their purposes and an example of each procedure.

    Microbiology, part 38: Genetics - Replica Plating & Ames Test

    Cathy Parkes RN, BSN, PHN, CWCN

    Replica Plating and the Ames Test: their purposes and an example of each procedure.

  • Microbiology, part 37: Genetics - Mutagens & DNA Repair

    Microbiology, part 37: Genetics - Mutagens & DNA Repair

    Cathy Parkes RN, BSN, PHN, CWCN

    Key types of chemical mutagens, including nucleoside analogs, nucleotide-modifying agents, and intercalating agents; two types of radiation that can cause mutations - ionizing and non-ionizing; different mechanisms for repairing DNA...

    Microbiology, part 37: Genetics - Mutagens & DNA Repair

    Cathy Parkes RN, BSN, PHN, CWCN

    Key types of chemical mutagens, including nucleoside analogs, nucleotide-modifying agents, and intercalating agents; two types of radiation that can cause mutations - ionizing and non-ionizing; different mechanisms for repairing DNA...

  • Microbiology, part 36: Genetics - Mutations

    Microbiology, part 36: Genetics - Mutations

    Cathy Parkes RN, BSN, PHN, CWCN

    Mutations, including spontaneous vs. induced; point mutations & types (silent mutations, missense mutations, and nonsense mutations), how each affects the resulting polypeptide; frameshift mutation and example.

    Microbiology, part 36: Genetics - Mutations

    Cathy Parkes RN, BSN, PHN, CWCN

    Mutations, including spontaneous vs. induced; point mutations & types (silent mutations, missense mutations, and nonsense mutations), how each affects the resulting polypeptide; frameshift mutation and example.

  • Microbiology, part 35: Genetics - Translation

    Microbiology, part 35: Genetics - Translation

    Cathy Parkes RN, BSN, PHN, CWCN

    Translation of mRNA into a protein; the genetic code, including the start codon, stop (or nonsense) codons, degeneracy of the genetic code, and the wobble position; the steps involved in...

    Microbiology, part 35: Genetics - Translation

    Cathy Parkes RN, BSN, PHN, CWCN

    Translation of mRNA into a protein; the genetic code, including the start codon, stop (or nonsense) codons, degeneracy of the genetic code, and the wobble position; the steps involved in...

  • Microbiology, part 34: Genetics - Transcription

    Microbiology, part 34: Genetics - Transcription

    Cathy Parkes RN, BSN, PHN, CWCN

    Transcription; the steps involved in transcription, including initiation, elongation, and termination. Key differences in transcription between a prokaryotic cells and a eukaryotic cell; key processing steps that a primary transcript...

    Microbiology, part 34: Genetics - Transcription

    Cathy Parkes RN, BSN, PHN, CWCN

    Transcription; the steps involved in transcription, including initiation, elongation, and termination. Key differences in transcription between a prokaryotic cells and a eukaryotic cell; key processing steps that a primary transcript...

  • Microbiology, part 33: Genetics - DNA Replication

    Microbiology, part 33: Genetics - DNA Replication

    Cathy Parkes RN, BSN, PHN, CWCN

    DNA replication in a prokaryotic cell; semiconservative replication and the steps involved in semiconservative replication (i.e., initiation, elongation, and termination). The various enzymes involved in the replication process (e.g., gyrase,...

    Microbiology, part 33: Genetics - DNA Replication

    Cathy Parkes RN, BSN, PHN, CWCN

    DNA replication in a prokaryotic cell; semiconservative replication and the steps involved in semiconservative replication (i.e., initiation, elongation, and termination). The various enzymes involved in the replication process (e.g., gyrase,...

  • Microbiology, part 32: Genetics - Nucleotides & DNA Structure

    Microbiology, part 32: Genetics - Nucleotides & DNA Structure

    Cathy Parkes RN, BSN, PHN, CWCN

    The structure of a nucleotide, including a 5-carbon sugar molecule, phosphate group, and nitrogenous base. The structure of DNA, including a description of the sugar-phosphate backbone, double helix, and base...

    Microbiology, part 32: Genetics - Nucleotides & DNA Structure

    Cathy Parkes RN, BSN, PHN, CWCN

    The structure of a nucleotide, including a 5-carbon sugar molecule, phosphate group, and nitrogenous base. The structure of DNA, including a description of the sugar-phosphate backbone, double helix, and base...

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