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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
Which of the following serves as a sensor, or as part of a sensor, that functions only in a negative feedback system and not in a positive feedback system? A. CaSRs (Calcium-Se
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Inter specific Incompatibility This type of incompatibility is characterized by the prevention of fusion of gametes between members of different species. The incompatibility
classifcation of protozoans
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