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.
This varies from baby to baby, but it is approximated to be the ages of 4 to 7 months.
The biome that has over 100 inches of rain each year is the Rainforest. Therefore, the Rainforest has abundant rainfall.
The answer would be B, because they have subcellular organelles.
Chromosome count of the stem cell that produces the gametes 96
