State the dimensions, in inches, of the international standard for a litter-size piece of paper?

The United States standard letter-sized paper measures 8.5 by 11.0 inches. This standard was defined by the American National Standards Institute and it is slightly less wide but longer than the international size of paper, known as A4, which measures 8.27 by 11.69 inches.

Ribonuclease activity is a type of nuclease that catalyzes the degradation of rna into small components.

Genetic engineering is the answer.