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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
Q. How different are the actions of antibodies against virus and against bacteria? Why is the cellular immune response activated in case of chronic viral infection? The antibod
SIMPL E EPITHELIA (UNILAYERED EPITHELIA) - 1 . SIMPLE SQUAMOUS EPITHELIUM (PAVEMENT EPITHELIUM) - It is composed of large flat cells whose edges fit closely toge
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What happens if platelets aren''t present in blood?
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