
Conjugation, transformation & transduction - Khan Academy
Transduction In transduction, viruses that infect bacteria move short pieces of chromosomal DNA from one bacterium to another "by accident." Yep, even bacteria can get a virus! The viruses …
Introduction to cell signaling (article) | Khan Academy
Learn how cells communicate with one another using different kinds of short- and long-range signaling in our bodies.
Signal transduction pathway | Cell signaling (article) | Khan Academy
Learn how signals are relayed inside a cell starting from the cell membrane receptor. The chains of molecules that relay intracellular signals are known as intracellular signal transduction …
Example of a signal transduction pathway - Khan Academy
Signal transduction is a complex process where cells communicate through chemical signals. This involves a ligand binding to a receptor, initiating a cascade of events that can alter cell behavior.
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The phototransduction cascade (video) | Khan Academy
The phototransduction cascade is a process where light entering the eye triggers a molecular reaction. This reaction involves the rod cells in the retina, which convert light into neural …
Activation and inhibition of signal transduction pathways
The cholera toxin triggers a signal transduction pathway. This process starts when molecules outside the cell interact with cell receptors, setting off a chain of events.
Response to a signal (article) | Khan Academy
If you’re nervous before a test or competition, your adrenal gland is likely to be pumping out epinephrine. When epinephrine binds to its receptor on a muscle cell (a type of G protein …
Cell signaling in yeast reproduction (video) | Khan Academy
Then you have signal transduction and it's actually, it's not too dissimilar from the MAPK, the MAPK transduction pathway that we talk about in other videos. And then the response the cell …
G Protein Coupled Receptors (video) | Khan Academy
G-protein coupled receptors (GPCRs) are a large, diverse group of membrane receptors in eukaryotes that respond to a wide range of external signals. When a ligand binds to a GPCR, …