Each time an organism is consumed, 90% of the energy is lost as heat. that leaves only 10% for the carnivore
- Salamanders, like the Mexican axolotl, are a number of the few vertebrates fortunate in their ability to regenerate diverse structures after injury. Unlike mammals they're ready to regenerate a totally functional neural structure after injury.
- However, the molecular circuitry required to initiate a pro-regenerative response after medulla spinalis injury isn't well understood. to handle this question we developed a neural structure injury model in axolotls and employed in vivo imaging of labeled ependymoglial cells to characterize the response of those cells to injury.
- Using in vivo imaging of ion sensitive dyes we identified that neural structure injury induces a rapid and dynamic change within the resting membrane potential of ependymoglial cells. Prolonged depolarization of ependymoglial cells after injury inhibits ependymoglial cell proliferation and subsequent axon regeneration.
- Using transcriptional profiling we identified c-Fos as a key voltage sensitive early response gene that's expressed specifically within the ependymoglial cells after injury. This data establishes that dynamic changes within the membrane potential after injury are essential for regulating the particular spatiotemporal expression of c-Fos that's critical for promoting faithful medulla spinalis regeneration in axolotl.
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Answer:
Acids and base indicators help us identify whether a substance is acidic or basic . They can be used to detect the nature of soil , samples etc which can be helpful.
The answer is B. They are in control of the experiment, they can change it the variables to better help the experiment.
