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Multiple Choice
Which portion of the sperm contains the enzymes needed to penetrate the oocyte?
A
Acrosome
B
Nucleus
C
Midpiece
D
Tail
Verified step by step guidance
1
Understand the structure of a sperm cell: A sperm cell consists of the head, midpiece, and tail. Each part has a specific function.
Identify the components of the sperm head: The head contains the nucleus and the acrosome. The nucleus holds the genetic material, while the acrosome contains enzymes.
Learn the function of the acrosome: The acrosome is a cap-like structure that covers the anterior part of the sperm's head. It contains enzymes crucial for penetrating the oocyte.
Recognize the role of the acrosome in fertilization: During fertilization, the enzymes in the acrosome help the sperm to break down the outer layers of the oocyte, facilitating entry.
Conclude that the acrosome is the portion of the sperm responsible for containing the enzymes needed to penetrate the oocyte.