Question

| (d) আণবিক কাচি’ ও ‘আণবিক আঠা’ বলতে জৈব প্রযুক্তিতে কোন দুটি উৎসেচককে বােঝা।​

Answer 1

Answer:

anobic kanchi- restriction endonuclease

Anobic aatha- DNA ligase

Answer 2

Anobic kachi means  Restriction endonuclease that is use to cut DNA into small fragments during any experimental procedure.

Anobic atha means ligase that is used to join the small fragments of DNA during replication procedure.

Explanation:

Restriction endonuclease-It is produced by the bacterial protein to cut off the DNA into specific restriction sites.

Within the bacterial cell, it usually cut the foreign DNA that may infect the organism.

This are found in bacteria and archaea  that provide defense system.

Ex- Eco RI,HindII etc.

Ligase-An enzyme that joins the fragments of DNA by forming  chemical bonds between them.