#Question id: 5554
#Unit 5. Developmental Biology
Even in the absence of sperm, metabolic activity in an egg can be artificially activated by ________.
#Question id: 5555
#Unit 5. Developmental Biology
The formation of the fertilization envelope requires an increase in the cytosolic concentration of ________.
#Question id: 5556
#Unit 5. Developmental Biology
Contact of a sea urchin egg with signal molecules on sperm causes the egg to undergo a brief ________.
#Question id: 5557
#Unit 5. Developmental Biology
The plasma membrane of the sea urchin egg ________.
#Question id: 5558
#Unit 5. Developmental Biology
Fertilization of an egg without activation is most like ________.
#Question id: 5559
#Unit 5. Developmental Biology
During fertilization, the acrosomal contents ________.