Experimental technique: Tracking cytoplasmic Ca2+ distribution after a sperm ent

Question

Experimental technique: Tracking cytoplasmic Ca2+ distribution after a sperm enters the egg Sort the labeled regions of the fertilized egg above based on the status of the ER Ca2+ channels and Ca2+ pumps in that region. point of sperm entry into e99 sperm nucleus 1 second before fertilization 20 seconds after fertilization 10 seconds 30 seconds after ferbilization Sort the labeled regions of the fertilized egg above based on the status of the ER Ca channels and Ca2 pumps in that region 00000D Ca channels closed, Ca2 pumps operating slowly Ca2 channels closed, Ca2 pusps operating rapidly Ca2" channels open

Explanation / Answer

Ca2+ closed, Ca2+

pumps operating slowly

pumps operating rapidly

Ca2+ closed, Ca2+

pumps operating slowly

a, c, f Ca2+ channel open b, e, h Ca2+ channel closed, Ca2+

pumps operating rapidly

d, g

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