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Q. What is the acrosome of the sperm cell? How is it formed?
The acrosome is a structure that contains a great number of digestive enzymes it is formed by the union of Golgi apparatus vesicles and it is located in the anterior end of the sperm cell. The function of the acrosome is to discharge its enzymes when the sperm cell meets the egg cell to break the external covering of the female gamete thus making fecundation possible.
The second category of isolating mechanism that may permit interspecific mating but ensures reduced viability is called post-mating isolating mechanism. This category could be subd
Q. What is the Biology field that studies the classification of living beings? The Biology field that studies the classification of living beings is termed as Taxonomy. Q.
WHY CONSERVE WILD LIFE ? 1 . ECONOMIC IMPORTANCE OF WILD LIFE - (i) Plants - (ii) Animals - (iii) Micro organisms - 2 . ECOLOGICAL BALANCE -
Bacteria never have a nucleus but some members of the domain Archaea are known to contain a true nucleus.
What are the 3 phases of seed formation
How does the immune process that causes the hemolytic disease of the newborn take place? In a hemolytic disease of the newborn the mother has Rh- blood and this mother when gen
Primitive Arthropods The primitive arthropods, Onychophora (for example Peripatus) have a series of paired legs which are not jointed but have a ringed appearance because of t
Q. Management of Gout? The goals of therapy or management of gout is based on the following aspects: • early resolution of inflammation, • prevention of recurrent attac
Explain the terminology Niche ? The term niche is used often in ecology, and its meaning has been defined and interpreted in various ways over the years. An organisms niche has
Lorica - body form Protozoans It is a covering which unlike the theca fits loosely around the organism. It is a cup, bell or vase-like structure with one opening through which
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