Examlex
Which of the following mechanistic steps do you expect in bromination of benzene with Br2 and FeBr3 as a catalyst?
I.formation of Br+[FeBr4]-
II.attack of [FeBr4]- on benzene ring
III.formation of arenium ion
IV.deprotonation of arenium ion
V.nucleophilic attack of Br+
Joining DNA
The process of combining DNA sequences from different sources to create recombinant DNA.
Atlantic Forest
A diverse and endangered tropical forest biome located along the Atlantic coast of Brazil.
Plant Species
A category that classifies a group of plants which are similar and capable of interbreeding.
Biodiversity
The variety and variability of life on Earth, including diversity within species, between species, and of ecosystems.
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