Khan Academy: Bacterial Transformation & Selection

Explore the patterns and processes of evolution. Learn how evolution and natural selection are reflected in the similarities and differences of organisms. [9:03]

Learn about the transport of molecules across the cell membrane in this video. Video discusses passive transport, like diffusion, across a selectively permeable membrane. [6:59]

Students participate in a group lab in which they complete the process of bacterial transformation. If lab procedures are followed correctly, Students see their results in a few days...bacteria glowing green.

Patterns and processes of evolution. How evolution and natural selection are reflected in the similarities and differences of organisms. [9:02]

Practice exercise on natural selection. This is new content.

Describes the main tissue types and organ systems of the body and how they function together.

Dr. Charles Prober discusses prudent prescribing of antibiotics in the context of bacterial meningitis with 4th year medical student. [12:17]

Examine Charles Darwin's voyage on the HMS Beagle and his ideas about evolution and natural selection.

Finishing our Lorentz transformation derivation for t. [11:21]

Lorentz transformation for change in coordinates. [5:05]