Retroviruses are commonly used in gene therapy and can be engineered to deliver approximately 8000 bases of single-stranded RNA. This RNA is reverse-transcribed into DNA, which integrates into the host genome, enabling stable expression of therapeutic genes.
Europium (Eu) resembles Calcium (Ca) in the following ways:
(A). Both are diamagnetic
(B). Insolubility of their sulphates and carbonates in water
(C). Solubility of these metals in liquid NH3
(D). Insolubility of their dichlorides in strong HCI
Choose the correct answer from the options given below: