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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
Use of Spectinomycin in Pregnancy Spectinomycin (Trobicin) can be used to treat pregnant women allergic to beta-lactam antibiotics, but is unreliable against pharyngeal gonoco
why does the removal of the extremity of coleoptile prohibit plant growth?
1. Carbon monoxide (CO): It is colourless, odourless, tasteless gas and is not soluble in water. Source: CO is produced due to: (i) Incomplete combustion of fuels
Give ditail account on regernation in invertebrates and vertabrites
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How does a deer feed
Explain the Techniques of Culturing? In the last practical we learnt how to prepare culture media. This practical has been introduced to make you aware of the technique of sub-
Ablation experiment is an experiment designed to produce an animal deficient in one or the few cell types, in order to study cell lineage or the cell function. The logic is to mak
At the beginning of the process in an animal cell, the partition of the centriole takes place, which has been duplicated during Interphase but were in the same centrosome. Bipol
What differences would you expect to see among pea seedlings grown for 10 days in total darkness and pea seedlings grown in the light for the similar period of time? The s
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