Download Aptitude Crack
img not found img not found

Recombinant DNA - Medical Science

Q1:

Vectors are

A molecules that degrade nucleic acids

B molecules that help in replication

C molecules that are able to covalently bond to and carry foreign DNA into cells

D molecules that protect host cells from invasion by foreign DNA

ANS:C - molecules that are able to covalently bond to and carry foreign DNA into cells

Vectors are nothing but a vehicle which is used for the transfer of gene. It is in the vector that the desired gene is inserted and it is then targeted to the host organism where it integrtes and replicates.