bi0l0gy was t0ugh...
hahas yk t0ld me tat ICZ REPRESENTS BETA-GALACTOSIDASE,PROMOTER AND OPERATOR... (NOT IN ORDER)
i th0ught ab0ut it f0r quite l0ng and i realise that he was correct...
removal of beta galactoside ( i mean lac Z gene in the structural gene) would produce no beta galactosidase regardless got lactose or not...
then i was thinking about the frog croak question... i think it is sympatic? speciation?
i just watched ICE AGE 3...
i was feel so paisae la...
i always laugh at the part where no one laughs or laugh after everyone laughs..
and i laugh super l0ud ... kids also think i siao siao
Music Took Control at; 00:08