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Which one of the following statements about human sperm is correct?
1. Acrosome has a conical pointed structure used for piercing and penetrating the egg, resulting in fertilisation
2. The sperm lysins in the acrosome dissolve the egg envelope facilitating fertilisation
3. Acrosome serves as a sensory structure leading the sperm towards the ovum
4. Acrosome serves no particular function.
The sperm lysins in the acrosome dissolve the egg envelope facilitating fertilisation
Sodium-potassium pump A. The net flux of sodium is from a region of high sodium concentration to a region of low sodium concentration. B. The net flux of potassium is from a
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True or false, adaptations are the result of finding the best or only solution to a given problem a species faces.
how does the structure of epithelial tissue allows it to fulfil its function
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