#Question id: 5561
#SCPH01 Biochemistry
In sea urchins, the "fast block" and the longer lasting "slow block" to polyspermy, respectively, are ________.
#Question id: 5561
#I Life Science/ Life Sciences Group – I-V
In sea urchins, the "fast block" and the longer lasting "slow block" to polyspermy, respectively, are ________.
#Question id: 5561
#SCPH06 I Botany
In sea urchins, the "fast block" and the longer lasting "slow block" to polyspermy, respectively, are ________.
#Question id: 5561
#SCPH28 | Zoology
In sea urchins, the "fast block" and the longer lasting "slow block" to polyspermy, respectively, are ________.
#Question id: 5562
#SCPH01 Biochemistry
In an egg cell treated with a chemical that binds calcium and magnesium ions, the ________.
#Question id: 5562
#I Life Science/ Life Sciences Group – I-V
In an egg cell treated with a chemical that binds calcium and magnesium ions, the ________.