The level of which of the following ions increases after fusion of the egg and sperm plasma membranes?Multiple choice question.K+Cl-Na+Ca2+

Select all that applyWhich are the predominant ions carried in plasma?Multiple select question.Cl-Na+KHCO3-Ca2+

Which of the following is necessary for the initiation of metabolic reactions in the egg?Multiple choice question.Fusion of the plasma membranes of the sperm and eggAn influx of Ca2+ into the egg across the plasma membraneA release of Na+ from internal stores

ACh has an inhibitory effect on the pacemaker cells of the heart because its binding causes an outward diffusion of which of the following ions?Multiple choice question.Ca2+Na+K+Cl-

Fusion of the sperm and egg plasma membranes follows which of the following events?Multiple choice question.Completion of meiosisPenetration of the plasma membrane of an unfertilized egg by a spermRemoval of sperm receptors from the outer coat of the eggChange in the membrane potential of the egg

3. Which of the following has the largest ionic radius?Ca2+K+Cl-Ar