Statement-1 : Transferases enzymes catalysing a transfer of a group G (other than hydrogen) between a pair of substrates S and S'
Statement-II : Lyases enzymes catalyse removal of groups from substrate by mechanism other than hydrolysis and leaving single bonds.
Statement–I is correct.
Transferases are a class of enzymes that transfer a functional group (such as methyl, amino, or phosphate group) from one molecule (donor) to another (acceptor). This definition matches correctly.
Statement–II is incorrect.
Lyases catalyse removal of groups without hydrolysis, but this removal generally results in the formation of a double bond or ring structure, not “leaving single bonds.” Hence, the statement is wrongly described.
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