Biotechnology—Principles and Processes — BIOLOGY STD 12 Science — Question

$(i)$ $RNA$ can directly code for the synthesis of proteins

$(ii)$ It is very common process to synthesis $DNA$ from $RNA$

$(iii)$ $RNA$ is used as genetic material only in human

$(iv)$ One polynucleotide chain is present in $RNA$

$I.$ restriction enzymes.

$II.$ Polymerase enzymes.

$III.$ Host organism ligases.

$IV.$ vectors.

$V.$ Host organisms.

select the correct option.