Catalog Search Results
1) Abiogenesis
Series
Biology essentials volume 010
Publisher
Bozeman Science
Pub. Date
[2011]
Language
English
Description
In this video lesson, Paul Andersen describes how life could have formed on our planet through natural processes. The progression from monomers, to polymers, to protocells, and finally to cells is described. The Miller-Urey experiment is described in detail as well as characteristics of the latest universal ancestor.--Publisher.
Series
Biology essentials volume 012
Publisher
Bozeman Science
Pub. Date
[2011]
Language
English
Description
In this video lesson, Paul Andersen describes how free energy is used by organisms to grow, maintain order, and reproduce. A brief discussion of the first and second law of thermodynamics is also included. Disruptions in the amount of free energy can cause death and disruptions to popultaions, communities, and ecosystems.--Publisher.
Series
Biology essentials volume 023
Publisher
Bozeman Science
Pub. Date
[2011]
Language
English
Description
In this video lesson, Paul Andersen describes how plants and animals defend themselves against pathogens. He begins by discussing the hypersensitive response in plants as a nonspecific form of immune response. He then discusses both the humoral and cell-mediated immune response in mammals. A brief discussion of the chicken pox, small pox, and HIV is included.--Publisher.
Series
Biology essentials volume 040
Publisher
Bozeman Science
Pub. Date
[2011]
Language
English
Description
In this video lesson, Paul Andersen explains how organisms use information to communicate with each other. Signals are used by bees doing the waggle dance to communicate the location of flowers. Territorial markings are used by wolves to establish territory. Complex courtship rituals are used by sage grouse to ensure mating success. Cooperation is used by organisms that flock to ensure their individual survival.--Publisher.
5) Communities
Series
Biology essentials volume 046
Publisher
Bozeman Science
Pub. Date
[2011]
Language
English
Description
In this video lesson, Paul Andersen explains the major classification terms in ecology and how a community can be measured by species composition and species diversity. The symbiosis of leaf cutter ants is included. The lesson ends with a discussion of population growth.--Publisher.
Series
Biology essentials volume 029
Publisher
Bozeman Science
Pub. Date
[2011]
Language
English
Description
In this video lesson, Paul Andersen explains simple Mendelian genetics. He begins with a brief introduction of Gregor Mendel and his laws of segregation and independent assortment. He then presents a number of simple genetics problems along with their answers. He also explains how advances in genetic knowledge may lead to ethical and privacy concerns.--Publisher.
Series
Biology essentials volume 033
Publisher
Bozeman Science
Pub. Date
[2011]
Language
English
Description
In this video lesson, Paul Andersen explains how changes in the genotype of an individual can affect the phenotype. He explains how mutations can be neutral, beneficial, or harmful. He also explains how mistakes in the cell cycle can lead to disorder, sterility, or new species.--Publisher.
Series
Biology essentials volume 007
Publisher
Bozeman Science
Pub. Date
[2011]
Language
English
Description
In this video lesson, Paul Andersen details the evolutionary processes of speciation and extinction. Stickleback evolution in Lake Loberg is used as example of rapid speciation. Adaptive radiation is illustrated using the Hawaiian honeycreeper. A brief discussion of extinctions and mass extinctions is also included.--Publisher.
Series
Biology essentials volume 041
Publisher
Bozeman Science
Pub. Date
[2011]
Language
English
Description
In this video lesson, Paul Andersen begins with a discussion of brain lateralization and gives a brief demonstration of tests that were performed on split-brain individuals. He then discusses the major parts of a neuron and explains how action potentials are generated using voltage-gated ion channels. He explains how neurotransmitters transmit messages across a synapse and how these messages can be either inhibitory or excitatory.--Publisher.
Series
Biology essentials volume 044
Publisher
Bozeman Science
Pub. Date
[2011]
Language
English
Description
In this video lesson, Paul Andersen explains how cells differentiate to become tissue specific. He also explains the role of transcription factors in gene regulation. The location of a cell within the blastula ultimately determines its fate. The SrY gene is an important external stimuli in human development. The heat shock factor is also discussed as an example of an environmental stimuli.--Publisher.
Series
Biology essentials volume 005
Publisher
Bozeman Science
Pub. Date
[2011]
Language
English
Description
In this video lesson, Paul Andersen describes three main characteristics of life that are conserved in all organisms on the planet. The universal genetic code, the central dogma of biology, and shared metabolic pathways give us details of the original universal ancestor. He also explains how eukaryotic cells gained complexity through infolding of the cell membrane and endosymbiosis.--Publisher.
Series
Biology essentials volume 013
Publisher
Bozeman Science
Pub. Date
[2011]
Language
English
Description
In this video lesson, Paul Andersen details the processes of photosynthesis and respiration. Autotrophs use the light reactions and the Calvin cycle to convert energy from the Sun into sugars. Autotrophs and heterotrophs use cellular respiration to convert this sugar into ATP. Both chemosynthesis and fermentation are discussed. The evolution of photosynthesis is also discussed.--Publisher.
13) Gene regulation
Series
Biology essentials volume 031
Publisher
Bozeman Science
Pub. Date
[2011]
Language
English
Description
In this video lesson, Paul Andersen explains how genes are regulated in both prokaryotes and eukaryotes. He begins with a description of lac and trp operons and how they are used by bacteria in both positive and negative response. He also explains the importance of transcription factors in eukaryotic gene expression.--Publisher.
Series
Biology essentials volume 018
Publisher
Bozeman Science
Pub. Date
[2011]
Language
English
Description
In this video lesson, Paul Andersen explains how feedback loops allow living organisms to maintain homeostasis. He uses thermoregulation in mammals to explain how a negative feedback loop functions. He uses fruit ripening to explain how a positive feedback loop functions. He also explains what can happen when a feedback look is altered. Diabetes mellitus is caused by an alteration in the blood glucose feedback loop.--Publisher.
Series
Biology essentials volume 003
Publisher
Bozeman Science
Pub. Date
[2011]
Language
English
Description
In this video lesson, Paul Andersen describes genetic drift as a mechanism for evolutionary change. A population genetics simulator is used to show the importance of large population size in neutralizing random change. The near extinction of the northern elephant is used as an example of the bottleneck effect. The high incidence of total colorblindness due to a typhoon that hit the small island of Pingelap is also included.--Publisher.
16) Ecosystems
Series
Biology essentials volume 047
Publisher
Bozeman Science
Pub. Date
[2011]
Language
English
Description
In this video lesson, Paul Andersen explains how ecosystems interact with biotic and abiotic factors. He explains and gives examples of food chains and food webs. He shows how limiting factors eventually lead to logistic growth. Real data from Yellowstone Park is used to show how populations interact. He ends the lesson by showing how human impacts can eventually lead to changes within an ecosystem.--Publisher.
17) Biodiversity
Series
Biology essentials volume 055
Publisher
Bozeman Science
Pub. Date
[2011]
Language
English
Description
In this video lesson, Paul Andersen explains the importance of biodiversity. He starts by describing how biodiversity can be species, genetic, or ecosystem diversity. He explains the importance of keystone species in an environment and gives two examples: the jaguar and the sea otter. He finishes with a quote from the father of biodiversity, E.O. Wilson.--Publisher.
Series
Biology essentials volume 028
Publisher
Bozeman Science
Pub. Date
[2011]
Language
English
Description
In this video lesson, Paul Andersen explains how the cell cycle is used to create new cells. The creation of identical diploid daughter cells, through mitosis, is described. The creation of unique haploid daughter cells through meiosis is also described. The importance of cyclin and cyclin dependent kinases to regulate the cell cycle is included.--Publisher.
Series
Biology essentials volume 037
Publisher
Bozeman Science
Pub. Date
[2011]
Language
English
Description
In this video lesson, Paul Andersen discusses cell communication. He begins by explaining how he communicates with other individuals using various forms of electronic communication. He them explains how cells communicate when the distance between them is big, small, and zero. He explains how antigen presenting cells pass information on antigen structure by touching in the immune response. He explains how neurotransmitters are used to transfer and...
20) Populations
Series
Biology essentials volume 050
Publisher
Bozeman Science
Pub. Date
[2011]
Language
English
Description
In this video lesson, Paul Andersen explains how populations interact in an ecosystem. The symbiosis of several populations is based on effects that may be neutral, positive, or negative. Interactions like mutualism, commensalism, and parasitism are discussed. Human impacts to ecosystems are also considered using the invasive species kudzu.--Publisher.
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