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16 hours ago · HIV structure cycle. The epitopes of the viral envelope are more variable than those of many other viruses. Furthermore, the functionally important epitopes of the gp120 protein are masked by glycosylation, trimerisation and receptor-induced conformational changes making it difficult to block with neutralizing antibodies.
16 hours ago · Trotsky, The Revolution Betrayed, 1936 In 1936, Trotsky argued in his work, The Revolution Betrayed, for the restoration of the right of criticism in areas such as economic matters, the revitalization of trade unions and free elections of the Soviet parties. Trotsky also argued that the excessive authoritarianism under Stalin had undermined the implementation of the First five-year plan. He ...
