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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
In organisms that have undergone tagmosisthe trunk often develops into two tagma, oneinvolved in locomotion and one that is notlocomotory. The tagma not involved in locomotionis re
Do moulds need water for growth? Place a spoonful of dry cereal like as rice or oatmeal in a sterile culture dish. Place a like amount of the similar cereal cooked in another c
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a) In what form do plants absorb calcium from the soil? b) List any two calcium deficiency symptoms in plants.
What are the best known representatives of the platyhelminth phylum? The most popular representatives of the platyhelminthes are worms that cause human diseases, like taenia an
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Point mutations are often caused by substances called mutagens explain? Point mutations are often caused by substances called mutagens. Base analogs, such as 5-bromouracil, a t
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Gametogenesis - Human Development Gametogenesis as you are responsive is the process of formation and development of specialized reproductive cells, ova in females and sperms
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