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TLS Online TPP Program

#Id: 7040

Populational change is Darwin’s hypothesis that evolution occurs by changes in the proportions (frequencies) of different variant kinds of individuals within a population.


#XL - T Zoology #Emergence of evolutionary thoughts #Part B Pointers
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TLS Online TPP Program

#Id: 9098

#XL - T Zoology

Glycogen breakdown and synthesis is coordinately regulated by the second messengers Ca2+ and cAMP, whose levels are regulated by neural and hormonal stimulation, respectively
TLS Online TPP Program

#Id: 9099

#XL - T Zoology
TLS Online TPP Program

#Id: 9100

#XL - T Zoology

In response to activation of acetylcholine GPCRs, PLC, and the elevation in cytosolic Ca2+, Nitric oxide is synthesized in endothelial cells.
TLS Online TPP Program

#Id: 9101

#XL - T Zoology
TLS Online TPP Program

#Id: 9102

#XL - T Zoology

NO diffuses locally through tissues and activates an
intracellular NO receptor with guanylyl cyclase
activity in nearby smooth muscle cells
TLS Online TPP Program

#Id: 9103

#XL - T Zoology

Resulting rise in cGMP activates protein kinase G leading to relaxation of the muscle and vasodilation