Sia
Question
Biology
Posted 10 months ago
Which ofthe following is one ofthe outer layers that surrounds theoocyte and the zygote?
a. The mitochondria
b. The nucleus
c. The acrosome
d. The zona pellucida
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Answer from Sia
Posted 10 months ago
D
Key Concept
Zona Pellucida
Explanation
The zona pellucida is a glycoprotein layer surrounding the plasma membrane of mammalian oocytes and is essential for fertilization, acting as a species-specific barrier to sperm.
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