Question

.....are called atomic scissor​

Answer 1

Answer: Restriction Enzymes

Explanation:

Restriction enzymes are also called 'molecular scissors' as they cleave DNA at or near specific recognition sequences known as restriction sites. ... The restriction enzymes catalyze the hydrolysis of the bond between the 3'-oxygen atom and the phosphorus atom in the phosphodiester backbone of DNA.

Answer 2

restriction enzymes
an enzyme produced chiefly by certain bacteria, that has the property of cleaving DNA molecules at or near a specific sequence of bases.