______ are frequently used in cloning plasmid, and they are enzyme genes.They include a ______, where the foreign gene can be inserted.The insertion results in the ______ of the enzyme activity, which is often followed by a color reaction.

MCQs on the structure and function of DNA and RNA and how these nucleic acids are used to form proteins, and their importance in genetics and inheritance. Also covers DNA replication, transcription, gene expression, mutation and repair, recombination, molecular techniques, and appropriate molecular models.