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Showing results - 31 to 39 of 39
Visualizing cell processes: photosynthesis and cellular respiration
16:51

Visualizing cell processes: photosynthesis and cellular respiration

Through live action and animated models, this program illustrates the basic biochemical processes involved in photosynthesis and cellular respiration. Cellular Respiration Topics: Glycolysis and Fermentation, Mitochondrion Structure, Aerobic Respira...

Branches on the tree of life: the biology of plants
17:56

Branches on the tree of life: the biology of plants

Clear graphic animation is used to describe the molecular level mechanisms of photosynthesis. Major plant groups include mosses, liverworts, ferns, horsetails, and the seed plants (gymnosperms and flowering plants). This is a good general introducti...

Branches on the tree of life: the biology of viruses
17:47

Branches on the tree of life: the biology of viruses

This program examines the discovery of viruses and their structure, how viruses are studied, how they infect their hosts and how they replicate. Details are provided on the T-4 bacteriophage and retroviruses such as HIV.

Branches on the tree of life: the biology of chordates
18:10

Branches on the tree of life: the biology of chordates

The Phylum Chordata includes tunicates, sea lancelets, hagfish, and all familiar vertebrate animals. This program explores how these seemingly diverse animals evolved and how the group is unified by four characteristic structures: a hollow dorsal ne...

Branches on the tree of life: the biology of bacteria
16:56

Branches on the tree of life: the biology of bacteria

This program uses compelling microscopy of living bacteria to examine their structure, physiology, behavior, and the vital roles these microbes play in the biosphere, including oxygen production (cyanobacteria), decomposition, nitrogen fixation, and...

Branches on the tree of life: the biology of annelids
13:46

Branches on the tree of life: the biology of annelids

Worms with segmented bodies make up the Phylum Annelida. This program explores the three classes of annelids: Class Polychaeta (feeding, locomotion, and larval stages), Class Oligochaeta (lifestyles, feeding adaptations, and anatomy of freshwater o...

Branches on the tree of life: the biology of flatworms
14:44

Branches on the tree of life: the biology of flatworms

The Branches On the Tree of Life series of core curriculum programs explores the "deep branches" on the tree of life to reveal a modern view of the classification and phylogeny of each group studied in the biology curricula. The narrated programs f...

Visualizing cell processes: DNA replication, mitosis and cell reproduction
14:51

Visualizing cell processes: DNA replication, mitosis and cell reproduction

Topics: Chromosome Condensation, Mitosis Stages, Cytokinesis, Meiosis, Nucleotide Structure and Bonding, Replication Enzymes, Replicating the Strands, Topoisomerase and the Twisting Problem, Proofreading and Repair, Replication Review.

Visualizing cell processes: the genetic code and its translation
14:45

Visualizing cell processes: the genetic code and its translation

Topics: The Protein Nature of Life, Protein Structure, Transcription, Translation and Protein Synthesis, Gene Regulation in Prokaryotes, Exons and Introns, Mutations, Renegade DNA - The Viruses.