The equivalent of a structural gene is (a) muton (b) cistron (c) operon (d) recon.
In Recombinant DNA technology antibiotics are used (1) As selectable markers (2) To keep medium bacteria-free (3) to detect alien DNA (4) To impart disease-resistance to the host plant
Define the term henpaphrodite. Give one example
The term phylum was given by (a) Cuvier (b) Haeckel (c) Theophrastus (d) Linnaeus.
DNA fragments are (a) negatively charged (b) neutral (c) either positively or negatively charged depending on their size (d) positively charged.