Where can a sperm enter a Drosophila egg?
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a
At the poles of the cell membrane.
b
At a specific location called the micropyle.
c
At a specific location determined by the pattern of cellularization.
d
Anywhere along the plasma membrane.
b
At a specific location called the micropyle.
b
At a specific location called the micropyle.
To answer this question, we need to have some background knowledge about the reproductive biology of Drosophila (fruit fly).
When a sperm cell is ready to fertilize an egg, it needs to locate an entry point. In the case of Drosophila, the correct answer is option b) At a specific location called the micropyle.
Explanation: In Drosophila, the micropyle is a specialized structure on the surface of the egg. It is a small pore or canal that allows the sperm to enter the egg. The micropyle is located at one end of the egg, typically near the posterior pole.
To determine the correct answer, we can use our knowledge of Drosophila reproductive biology or consult reliable sources such as scientific research articles or textbooks. By searching for information about Drosophila fertilization, we can learn about the micropyle and its role in sperm entry.
It's important to note that scientific questions often require background knowledge or research, so it's helpful to rely on authoritative sources and credible information when seeking answers.