retroviruses sentence - retroviruses sentence in Hindi (21-30)

	21.	HERVs are classified based on their homologies to animal retroviruses.
	22.	A certain type of latency could be ascribed to the endogenous retroviruses.
	23.	Furthermore, oncogenes were found initially in retroviruses and then in cells.
	24.	In 1977, a transforming retrovirus was isolated from the AKR mouse.
	25.	Human endogenous retroviruses ( HERVs ) in humans are examples of this.
	26.	Sometimes the genes of the retrovirus do not express their information immediately.
	27.	This allows the retrovirus to implant nearby a cellular oncogene.
	28.	It was the first vaccine to protect mammals from a retrovirus infection.
	29.	These retrotransposons are distantly related to retroviruses such as HIV.
	30.	Jaffe said at the 2d National Conference on Human Retroviruses and Related Infections.

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