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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
What is the carbon cycle? The carbon cycle shows the circulation and recycling of the chemical element carbon in nature as a result of the action of living beings. Photosynt
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NSP NSP or dietary fibre is the name given to a group of materials found in the cell walls of plants which gives the plant its structure and form. Food hydrocolloids Fo
Q. How is the sound vibration captured by the tympanum transmitted through the ossicular chain of the middle ear? The acoustic transmission from the middle to the external ear
Anther is the top of a stamen's filament; divided into pollen sacs in which the pollen grains are form.
lest the characteristics of Protozoa
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