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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
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Carbon is important constituents of all organic compounds. It forms 49% of dry weight of the organisms. Earth atmosphere contains 0.03% carbon dioxide gas. The c
definition ?
Illustrate the tear flow direction of drainage. Tear Drainage: Tear are drained by the combined action of gravity, capillary action and lid movements (Lacrimal pump)
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The citric acid cycle, also called as the tricarboxylic acid (TCA) cycle or Krebs cycle (after its discoverer in the year of 1937), is used to oxidize the pyruvate making during th
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what is welfare in biology
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