Excitation-contraction coupling refers to the series of events that begins with the excitation of the sarcolemma in response to stimulation by a neurotransmitter, and results in the release of calcium ions from the sarcoplasmic reticulum.
Hence, option D is the 1st process that starts the excitation-contraction coupling.
oogonia no result of oogonia human
ovogonia:Esto quiere decir que la ovogonia tenía 46 cromosomas como se afirmó anteriormente, y el ovocito debe sufrir una reducción por medio de la denominada Meiosis hasta tener 23 cromosomas, 22 cromosomas somáticos y un cromosoma X (22X), el cual es el número Haploide
I hope it helps you.
Its the reverse
5'CGCTAA 3'
3'AATCGC 5'
Black-crowned night-heron. This predator is adapted to hunt at night. In
the French Guiana this is one of the major night heron species with its
cousin the Yellow-crowned night-heron (Nycticorax violacea). Feeds
mainly on aquatic animals, including fish, amphibians and insects.
Coastal swamps.
