Sponges are the simplest bilateral animal and do lack a body cavity. A sponge has two layers of tissue.
D. that is the correct answer
Answer:
Voltage-gated Ca2+ channels
Explanation:
Modulation of Ca+2 channel Epinephrine also causes an increase in cAMP that stimulates PKA that is protein kinase A, which in turn phosphorylates the voltage-gated Ca+2 channel that is the L channel. This phosphorylation results in a protein conformational change that enchances the channels activity.
Explanation:
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<span>Which term names the offspring of a cross between two true breeding parents is First Generation...B</span>