Which integer does not have a reciprocal ?

Write i) The rational number that does not have a reciprocal ii) The rational numbers that are equal to their reciprocal iii) The rational number that is equal to its negative.

Write. The rational number that does not have a reciprocal.

Write.(i) The rational number that does not have a reciprocal.(ii) The rational numbers that are equal to their reciprocals.(iii) The rational number that is equal to its negative.

Which codon does not have tRNA ?

Which does not have a carboxyl group?